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What is the BOSS PX-1?
The BOSS PX-1 is a compact effect unit that allows you to load and use various effects from a large assortment. You can use the BOSS EFFECT LOADER app (iOS/Android version) via Bluetooth wireless connection or a USB connection to load these effects into the PX-1. The unit comes with 8 pre-installed effect models and has an additional area to save up to 8 more models, depending on the size of the effects.
How do I get started with the BOSS PX-1?
To get started with your BOSS PX-1, you should first register the product and create a Roland account. You must have a Roland account to register the product. If you already have an account, log in and register it. If not, you can create a new account.
Next, you must install the BOSS EFFECT LOADER app on your smartphone to load effects into the PX-1.
What are the functions of the controls and jacks on the BOSS PX-1?
| Number | Name | Explanation |
|---|---|---|
| 1 | DC IN jack | Connect the included AC adaptor to this jack. The unit turns on when you plug the connected AC adaptor into an AC outlet. * Use only the supplied AC adaptor and the correct voltage. * This unit cannot be used on battery power. |
| 2 | CHECK indicator | This indicator shows whether the effect is on or off. |
| 3 | OUTPUT A (MONO) jack, OUTPUT B jack | Connect these jacks to your amp or monitor speakers. These OUTPUT jacks support stereo output. If you’re using this unit in mono, connect only the A (MONO) jack. * If you’re using a stereo setup, use the OUTPUT A (MONO) and OUTPUT B jacks. * When you connect to both the OUTPUT A (MONO) and OUTPUT B jacks, an effect is produced according to the OUTPUT MODE settings. |
| 4 | INPUT A (MONO) jack, INPUT B jack | Connect your guitar or effect unit here. These INPUT jacks support stereo input. Use a 1/4″ phone type (TS) to 1/4″ phone type (TS) cable to connect to this jack. |
| 5 | CTL1,2/EXP jack | Using the jack as a CTL jack: Connect a footswitch (FS-5U, FS-6, FS-7; sold separately) to control the functions. Using the jack as an EXP jack: Connect an expression pedal (EV-30, Roland EV-5, etc.; sold separately) to continuously change the effect settings. * Use only the specified expression pedal. Connecting any other expression pedals may cause the unit to malfunction or become damaged. |
| 6 | Pedal switch | Switches the effect on/off and controls the various functions. |
| 7 | Display | Shows the setting values and other information. |
| 8 | Left knob | Turning the knob: Adjusts the parameters shown on the left side of the display. * To change a value in larger steps, turn a knob while pressing it. Pressing the knob: Switches the screen (page) shown in the display, one position to the left. |
| 9 | Center knob | Turning the knob: Adjusts the parameter shown at the center of the display. * To change a value in larger steps, turn a knob while pressing it. Pressing the knob: Switches to the menu screen. |
| 10 | Right knob | Turning the knob: Adjusts the parameter shown to the right of the display. * To change a value in larger steps, turn a knob while pressing it. Pressing the knob: Switches the screen (page) shown in the display, one position to the right. |
| 11 | USB port (USB Type-C®) | To update the unit or directly access it using the BOSS EFFECT LOADER app, connect a commercially available USB cable (A- to C-type or C- to C-type). * Do not use a USB cable that is designed only for charging. Charge-only cables cannot transmit data. This unit supports USB bus power.* A commercially available USB AC adaptor (5 V/0.5 A or greater) is required to power this unit via the USB port. Some USB AC adaptors may not work with this instrument, depending on the manufacturer and type. |
| 12 | MIDI IN jack | Receives timing clocks from external devices. Normally, this unit synchronizes to the internal tempo. However, if a MIDI clock is input via the MIDI IN jack, the tempo synchronizes to that MIDI clock. In this case, you can’t use tap tempo to set the tempo. * Use a TRS/MIDI connecting cable (BMIDI or BCC series, sold separately) to connect an external MIDI device. * Do not use these connectors for connecting to audio devices. Doing so may cause a malfunction. |
* To prevent malfunction and equipment failure, always turn down the volume, and turn off all the units before making any connections.
* Do not use connection cables that contain a built-in resistor.
How do I turn the power on for the BOSS PX-1?
Before turning the unit on/off, turn down the volume on peripheral devices such as amplifiers.
1. Connect the included adaptor to the DC IN jack. This turns on the PX-1. The unit turns on with the effect off (the indicator is unlit).
2. Turn on your amp or other audio equipment.
How can I power the BOSS PX-1 via the USB port?
The BOSS PX-1 can be powered via USB. The following USB power sources can be used:
• USB AC adaptor (at least 5 V/0.5 A). You may be able to use the USB AC adaptor included with your smartphone or similar device.
• USB bus power (computer, etc.)
• Mobile battery
NOTE: Some USB AC adapters, computers or mobile batteries may not work with this unit.
How do I turn the power off for the BOSS PX-1?
1. Turn off your amp or other audio equipment.
2. Unplug the AC adaptor and the plug from the DC IN jack and the USB port. This turns off the PX-1.
How do I connect the BOSS PX-1 to the BOSS EFFECT LOADER app via Bluetooth?
1. Turn on the PX-1.
2. Press the center knob on the PX-1. The MENU (SELECT EFFECT) screen appears.
3. Press the right knob. The MENU (BLUETOOTH) screen appears.
4. If necessary, turn the center knob on the PX-1 to set the Bluetooth ID. If you’re using more than one PX-1, this makes the unit easier to identify.
5. Turn the left knob on the PX-1 to turn the SW on. The unit enters connection standby mode (the icon below CONNECT blinks). This mode remains active for one minute.
6. Launch the BOSS EFFECT LOADER app and log in. The BLUETOOTH SETUP screen appears. If it does not appear, connect from MY DEVICE in SYSTEM.
7. Connect the PX-1 from the BOSS EFFECT LOADER app. The connection is established when the PX-1 appears at the top of the screen. If more than one unit is detected, a list of devices is shown. Tap the device you want to connect.
How do I load an effect into the BOSS PX-1 using the app?
1. In the BOSS EFFECT LOADER app, tap the effect that you want to load or select.
2. Tap “Install” or “Select”. Never turn off the power before the loading is complete.
3. Once the data is loaded, press the center knob on the PX-1. The Bluetooth connection is automatically disconnected, and the screen returns to normal.
How do I configure a loaded effect on the BOSS PX-1?
You can configure the loaded effect using several screens on the BOSS PX-1’s display.
Model name screen:
This screen shows the model name of the effect that is selected.
Effect parameter screen:
This screen shows the parameters of the selected effect. For effects with many parameters, press the right knob to switch to the next page.
- Turn the left or right knob to adjust the parameter’s value.
- Press the left knob to switch to the previous page.
- Press the center knob to show the menu screen.
- Press the right knob to switch to the next page.
CTL1 settings screen:
This screen is for configuring the switch connected to CTL1.
- Turn the left knob to select the TARGET parameter you want to operate.
- Turn the center knob to set the MODE to either TOGGLE (toggles on/off with each press) or MOMENT (on only while pressed).
- Turn the right knob to set the VALUE for the selected TARGET.
- Press the left/right knob to switch pages. Press the center knob for the menu.
CTL2 settings screen:
This screen is for configuring the switch connected to CTL2, with operations identical to the CTL1 settings screen.
EXP settings screen:
This screen specifies what the expression pedal connected to the EXP jack does.
- Turn the left knob to select the TARGET parameter.
- Turn the center knob to select the MIN value (heel-down position).
- Turn the right knob to select the MAX value (toe-up position).
- Press the left/right knob to switch pages. Press the center knob for the menu.
PEDAL SETTING screen:
This screen specifies what happens when you press the pedal on the PX-1 itself.
- Turn the left knob to select the PDL MODE (TOGGLE or MOMENT).
- Turn the center knob to select the ACTION according to the PDL MODE setting.
- Press the left knob to switch pages. Press the center knob for the menu.
What are the other functions available in the MENU screen of the BOSS PX-1?
SELECT EFFECT: On this screen, you can switch between the eight preinstalled effects and up to eight effects that you’ve loaded.
BLUETOOTH: This screen is used when connecting to the BOSS EFFECT LOADER app via Bluetooth. You can turn Bluetooth ON/OFF and change the BLUETOOTH ID.
SWAP FUNCTION: This function lets you set a SIDE A and SIDE B for an effect installed on the PX-1, and use an external pedal (CTL1, CTL2) to swap between them. You select the controller (SOURCE), the SIDE A effect, and the SIDE B effect.
WEB MANUAL: Shows a QR Code that links to the manual.
VERSION: Shows the version of the BOSS PX-1 unit and the Bluetooth module.
FACTORY RESET: This screen is used when performing a factory reset.
How do I connect an external pedal to the BOSS PX-1?
You can connect footswitches or an expression pedal to the CTL/EXP jack on the BOSS PX-1.
Footswitches:
- FS-5U x 2: Use a stereo 1/4″ phone type plug to two 1/4″ phone type plugs cable. The TIP corresponds to CTL 1 and the RING corresponds to CTL 2.
- FS-5U x 1: Use a 1/4″ phone type plug. This will control CTL 1.
- FS-6: Use a stereo 1/4″ phone type plug. Pedal A controls CTL 2 and Pedal B controls CTL 1.
- FS-7: Use a stereo 1/4″ phone type plug. Pedal A controls CTL 2 and Pedal B controls CTL 1.
Expression Pedal (e.g., Roland EV-5):
Connect the expression pedal to the CTL/EXP jack using a stereo 1/4″ phone type plug.
Mode/Polarity Switches:
Ensure the mode and polarity switches on your footswitch (like FS-6 or FS-7) are set correctly for momentary or latching operation as needed.
How do I restore the BOSS PX-1 to its factory settings?
1. Press the center knob to open the menu screen.
2. Press the right knob repeatedly to access the FACTORY RESET screen.
3. Turn the right knob to move the cursor to “YES”.
4. Press the right knob to execute the factory reset. Do not turn off the power until the factory reset is finished.
NOTE: When you perform a factory reset, all algorithms are deleted except for the eight preinstalled algorithms. To individually delete an algorithm, use the BOSS EFFECT LOADER App. Also, when performing a factory reset, set the SW on the MENU: BLUETOOTH page to “OFF”.
What are the parameters for the OD-1 Over Drive effect on the BOSS PX-1?
The OD-1 offers a soft and clear distortion sound, much like the overdrive sound on a vacuum tube amp.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | LEVEL | 0–100 | Adjusts the volume when the effect is used. |
| OVER DRIVE | 0–100 | Adjusts how much overdrive (distortion) is applied. | |
| 2 | CTL1 TARGET | OFF, LEVEL, OVER DRIVE | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch that’s connected to CTL1. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter that’s controlled from a footswitch connected to CTL1. | |
| 3 | CTL2 TARGET | OFF, LEVEL, OVER DRIVE | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. | |
| CTL2 VALUE | 0–100 | Selects the value for the parameter that’s controlled from a footswitch connected to CTL2. | |
| 4 | EXP TARGET | OFF, LEVEL, OVER DRIVE | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the parameter controlled by an expression pedal connected to EXP. | |
| EXP MAX | 0–100 | Sets the maximum value for the parameter controlled by an expression pedal connected to EXP. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”. |
What are the parameters for the SP-1 Spectrum effect on the BOSS PX-1?
The SP-1 emphasizes a specific frequency range (500 Hz–5 kHz) to produce changes in the sound.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | BALANCE | 0–100 | Adjusts the amount of boost of the frequency that’s set with the right knob. |
| SPECTRUM | 0–100 | Adjusts the frequency to emphasize. Turn clockwise to raise, counterclockwise to lower. | |
| 2 | CTL1 TARGET | OFF, BALANCE, SPECTRUM | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL1. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter controlled by the CTL1 footswitch. | |
| 3 | CTL2 TARGET | OFF, BALANCE, SPECTRUM | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. | |
| CTL2 VALUE | 0–100 | Sets the value for the parameter controlled by the CTL2 footswitch. | |
| 4 | EXP TARGET | OFF, BALANCE, SPECTRUM | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the EXP pedal. | |
| EXP MAX | 0–100 | Sets the maximum value for the EXP pedal. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch operates when PEDAL MODE is “MOMENT”. |
What are the parameters for the PH-1 Phaser effect on the BOSS PX-1?
The PH-1 lets you generate sharp phaser effects with a wide range of change, from ultra low to high-speed sound.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | RATE | 0–100, BPM | Adjusts how fast the phaser changes. When set to “BPM”, the CHECK indicator blinks at the tempo. |
| BPM | 40–250 | Adjusts the tempo if “BPM” is selected for RATE. Cannot be adjusted if MIDI IN is receiving tempo data. | |
| DEPTH | 0–100 | Adjusts the depth of the phaser. | |
| 2 | CTL1 TARGET | OFF, RATE, DEPTH, TAP | Selects the parameter to control from a footswitch connected to CTL1. Tap operations are disabled when receiving MIDI IN tempo data. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL1 footswitch. Not shown when TARGET is “TAP”. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter controlled by CTL1. Not shown when TARGET is “TAP”. | |
| 3 | CTL2 TARGET | OFF, RATE, DEPTH, TAP | Selects the parameter to control from a footswitch connected to CTL2. Tap operations disabled with external MIDI input. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL2 footswitch. Not shown when TARGET is “TAP”. | |
| CTL2 VALUE | 0–100 | Sets the value for the parameter controlled by CTL2. Not shown when TARGET is “TAP”. | |
| 4 | EXP TARGET | OFF, RATE, DEPTH | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the EXP pedal. | |
| EXP MAX | 0–100 | Sets the maximum value for the EXP pedal. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the PX-1 pedal switch. When set to “TOGGLE”, you can long-press for tap input. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch operates when PEDAL MODE is “MOMENT”. |
What are the parameters for the SG-1 Slow Gear effect on the BOSS PX-1?
The SG-1 produces violin-like playing with faster passages by adjusting the attack time of your sound.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | SENS | 0–100 | Adjusts the sensitivity. Lower value requires stronger picking to trigger the effect. |
| ATTACK | 0–100 | Adjusts the time needed for the volume to reach its maximum from the moment you begin picking. | |
| 2 | CTL1 TARGET | OFF, SENS, ATTACK | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL1 footswitch. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter controlled by CTL1. | |
| 3 | CTL2 TARGET | OFF, SENS, ATTACK | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL2 footswitch. | |
| CTL2 VALUE | 0–100 | Sets the value for the parameter controlled by CTL2. | |
| 4 | EXP TARGET | OFF, SENS, ATTACK | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the EXP pedal. | |
| EXP MAX | 0–100 | Sets the maximum value for the EXP pedal. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the PX-1 pedal switch. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch operates when PEDAL MODE is “MOMENT”. |
What are the parameters for the CS-1 Compression Sustainer effect on the BOSS PX-1?
The CS-1 offers a sound with long sustain, without distortion. It can also be used as a limiter.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | LEVEL | 0–100 | Adjusts the volume when the effect is used. |
| MODE | NORMAL, TREBLE | Switches the sustain mode. NORMAL produces long sustain with low noise. TREBLE emphasizes high-end sustain. | |
| SUSTAIN | 0–100 | Adjusts the sustain time. Clockwise for longer sustain, counterclockwise for a limiter effect. | |
| 2 | CTL1 TARGET | OFF, LEVEL, (MODE), SUSTAIN | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL1 footswitch. | |
| CTL1 VALUE | 0–100, (NORMAL, TREBLE) | Sets the value for the parameter controlled by CTL1. Range is NORMAL, TREBLE only when “MODE” is selected as TARGET. | |
| 3 | CTL2 TARGET | OFF, LEVEL, (MODE), SUSTAIN | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL2 footswitch. | |
| CTL2 VALUE | 0–100, (NORMAL, TREBLE) | Sets the value for the parameter controlled by CTL2. Range is NORMAL, TREBLE only when “MODE” is selected as TARGET. | |
| 4 | EXP TARGET | OFF, LEVEL, SUSTAIN | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the EXP pedal. | |
| EXP MAX | 0–100 | Sets the maximum value for the EXP pedal. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the PX-1 pedal switch. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch operates when PEDAL MODE is “MOMENT”. |
What are the parameters for the TW-1 T Wah effect on the BOSS PX-1?
The TW-1 controls the wah effect according to the strength of your picking.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | SENS | 0–100 | Adjusts the intensity of the wah effect in respect to the input level. |
| DRIVE | DOWN, UP | Switches tonal change. UP opens the filter upward in frequency. DOWN opens it downward. | |
| PEAK | 0–100 | Adjusts the sound of the wah effect. Clockwise for a deeper effect, counterclockwise for a shallower effect. | |
| 2 | CTL1 TARGET | OFF, SENS, (DRIVE), PEAK | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL1 footswitch. | |
| CTL1 VALUE | 0–100, (DOWN, UP) | Sets the value for the parameter controlled by CTL1. Range is DOWN, UP only when “DRIVE” is TARGET. | |
| 3 | CTL2 TARGET | OFF, SENS, (DRIVE), PEAK | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the CTL2 footswitch. | |
| CTL2 VALUE | 0–100, (DOWN, UP) | Sets the value for the parameter controlled by CTL2. Range is DOWN, UP only when “DRIVE” is TARGET. | |
| 4 | EXP TARGET | OFF, SENS, PEAK | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the EXP pedal. | |
| EXP MAX | 0–100 | Sets the maximum value for the EXP pedal. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the PX-1 pedal switch. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch operates when PEDAL MODE is “MOMENT”. |
What are the parameters for the SD-1 SUPER Over Drive effect on the BOSS PX-1?
The SD-1 offers a soft and clear distortion sound, with a tone control to emphasize or cut the high-frequency range.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | LEVEL | 0–100 | Adjusts the volume when the effect is used. |
| TONE | 0–100 | Adjusts the brightness of the effect sound. Turn the knob clockwise for a brighter sound. | |
| DRIVE | 0–100 | Adjusts how much overdrive (distortion) is applied. | |
| 2 | CTL1 TARGET | OFF, LEVEL, TONE, DRIVE | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch that’s connected to CTL1. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter that’s controlled from a footswitch connected to CTL1. | |
| 3 | CTL2 TARGET | OFF, LEVEL, TONE, DRIVE | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. | |
| CTL2 VALUE | 0–100 | Selects the value for the parameter that’s controlled from a footswitch connected to CTL2. | |
| 4 | EXP TARGET | OFF, LEVEL, TONE, DRIVE | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the parameter controlled by an expression pedal connected to EXP. | |
| EXP MAX | 0–100 | Sets the maximum value for the parameter controlled by an expression pedal connected to EXP. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”. |
What are the parameters for the DS-1 Distortion effect on the BOSS PX-1?
The DS-1 offers a variety of distortion sounds from mellow and soft to gritty and hard.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | TONE | 0–100 | Adjusts the tonal character of the distortion. Clockwise cuts low end and boosts high end. Counterclockwise cuts high end and boosts low end. |
| LEVEL | 0–100 | This adjusts the volume of the effect sound. | |
| DIST | 0–100 | Adjusts the distortion depth and the sustain length at the same time. | |
| 2 | CTL1 TARGET | OFF, TONE, LEVEL, DIST | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch that’s connected to CTL1. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter that’s controlled from a footswitch connected to CTL1. | |
| 3 | CTL2 TARGET | OFF, TONE, LEVEL, DIST | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. | |
| CTL2 VALUE | 0–100 | Selects the value for the parameter that’s controlled from a footswitch connected to CTL2. | |
| 4 | EXP TARGET | OFF, TONE, LEVEL, DIST | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the parameter controlled by an expression pedal connected to EXP. | |
| EXP MAX | 0–100 | Sets the maximum value for the parameter controlled by an expression pedal connected to EXP. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”. |
What are the parameters for the CE-2 Chorus effect on the BOSS PX-1?
The CE-2 delivers the chorus sounds of the classic BOSS CE-1 chorus effect pedal.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | RATE | 0–100, BPM | Adjusts the frequency (speed) of the chorus effect. When set to “BPM”, the CHECK indicator blinks at the tempo. |
| BPM | 40–250 | You can only adjust the tempo if “BPM” is selected for RATE. Cannot be adjusted if MIDI IN is receiving tempo data. | |
| DEPTH | 0–100 | Adjusts the depth of the chorus effect. | |
| 2 | CTL1 TARGET | OFF, RATE, DEPTH, TAP | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch that’s connected to CTL1. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter that’s controlled from a footswitch connected to CTL1. | |
| 3 | CTL2 TARGET | OFF, RATE, DEPTH, TAP | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. | |
| CTL2 VALUE | 0–100 | Selects the value for the parameter that’s controlled from a footswitch connected to CTL2. | |
| 4 | EXP TARGET | OFF, RATE, DEPTH | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the parameter controlled by an expression pedal connected to EXP. | |
| EXP MAX | 0–100 | Sets the maximum value for the parameter controlled by an expression pedal connected to EXP. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”. |
What are the parameters for the BF-2 Flanger effect on the BOSS PX-1?
The BF-2 combines four controls: manual, depth, rate and resonance, to achieve a wide range of flanging effects.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | MANUAL | 0–100 | Adjusts the delay time (audio latency). |
| DEPTH | 0–100 | Adjusts the sweep width, based on the delay time set in the manual parameter. | |
| RATE | 0–100, BPM | Adjusts the sweep cycle (rate). When this is set to “BPM”, the LED indicates the tempo. | |
| 2 | RES | 0–100 | Adjusts the amount of feedback. |
| BPM | 40–250 | Adjusts the tempo if “BPM” is selected for RATE. This is only shown when RATE is set to “BPM”. | |
| 3 | CTL1 TARGET | OFF, MANUAL, DEPTH, RATE, RES, TAP | Selects the parameter to control from a footswitch connected to CTL1. Tap operations are disabled when there is an external MIDI input. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch that’s connected to CTL1. This is not shown when CTL1 TARGET is set to “TAP”. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter that’s controlled from a footswitch connected to CTL1. This is not shown when CTL1 TARGET is set to “TAP”. | |
| 4 | CTL2 TARGET | OFF, MANUAL, DEPTH, RATE, RES, TAP | Selects the parameter to control from a footswitch connected to CTL2. Tap operations are disabled when there is an external MIDI input. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. This is not shown when CTL2 TARGET is set to “TAP”. | |
| CTL2 VALUE | 0–100 | Selects the value for the parameter that’s controlled from a footswitch connected to CTL2. This is not shown when CTL2 TARGET is set to “TAP”. | |
| 5 | EXP TARGET | OFF, MANUAL, DEPTH, RATE, RES, BPM | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100, 40–250 | Sets the minimum value for the parameter controlled by an expression pedal connected to EXP. | |
| EXP MAX | 0–100, 40–250 | Sets the maximum value for the parameter controlled by an expression pedal connected to EXP. | |
| 6 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. When PEDAL MODE is set to “TOGGLE”, you can long-press the pedal switch to use tap input. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”. |
What are the parameters for the PN-2 Tremolo/Pan effect on the BOSS PX-1?
The PN-2 creates panning effects (moving sound across the stereo field) and tremolo effects (cyclic volume changes).
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | RATE | 0–100, BPM | Adjusts the cycle (rate). PAN adjusts panning cycle, TREMOLO adjusts volume dynamics cycle. |
| DEPTH | 0–100 | Adjusts the amount of motion (change). | |
| MODE | PAN SIN, PAN SQR, TRMOLO SIN, TREMOLO SQR | Sets the mode. Combines sine/square wave for PAN/TREMOLO. Sine wave is smooth, square wave is abrupt. | |
| 2 | BPM | 40–250 | Adjusts the tempo if “BPM” is selected for RATE. |
| 3 | CTL1 TARGET | OFF, RATE, DEPTH, MODE, TAP | Selects parameter for CTL1. Tap disabled with external MIDI input. |
| CTL1 MODE | MOMENT, TOGGLE | Selects mode for CTL1 footswitch. Not shown when TARGET is “TAP”. | |
| CTL1 VALUE | 0–100, PAN SIN, PAN SQR, TRMOLO SIN, TREMOLO SQR | Sets value for CTL1. Not shown when TARGET is “TAP”. | |
| 4 | CTL2 TARGET | OFF, RATE, DEPTH, MODE, TAP | Selects parameter for CTL2. Tap disabled with external MIDI input. |
| CTL2 MODE | MOMENT, TOGGLE | Selects mode for CTL2 footswitch. Not shown when TARGET is “TAP”. | |
| CTL2 VALUE | 0–100, PAN SIN, PAN SQR, TRMOLO SIN, TREMOLO SQR | Sets value for CTL2. Not shown when TARGET is “TAP”. | |
| 5 | EXP TARGET | OFF, RATE, DEPTH, BPM | Sets parameter controlled by EXP pedal. |
| EXP MIN | 0–100, 40–250 | Sets minimum value for EXP pedal. | |
| EXP MAX | 0–100, 40–250 | Sets maximum value for EXP pedal. | |
| 6 | PEDAL MODE | MOMENT, TOGGLE | Selects mode for PX-1 pedal switch. Long-press for tap input in TOGGLE mode. |
| ACTION | OFF → ON, ON → OFF | Sets how pedal switch operates in “MOMENT” mode. |
What are the parameters for the OC-2 Octave effect on the BOSS PX-1?
The OC-2 is a low noise effect that generates a sound one and two octaves below the direct sound.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | OCT 2 | 0–100 | Adjusts the volume of the sound that’s two octaves below. |
| DIRECT LEVEL | 0–100 | Adjusts the volume of the direct sound when the effect is on. | |
| OCT 1 | 0–100 | Adjusts the volume of the sound that’s one octave below. | |
| 2 | CTL1 TARGET | OFF, OCT 2, DIRECT LEVEL, OCT 1 | Selects the parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch that’s connected to CTL1. | |
| CTL1 VALUE | 0–100 | Sets the value for the parameter that’s controlled from a footswitch connected to CTL1. | |
| 3 | CTL2 TARGET | OFF, OCT 2, DIRECT LEVEL, OCT 1 | Selects the parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects the operation mode for the footswitch connected to CTL2. | |
| CTL2 VALUE | 0–100 | Selects the value for the parameter that’s controlled from a footswitch connected to CTL2. | |
| 4 | EXP TARGET | OFF, OCT 2, DIRECT LEVEL, OCT 1 | Sets the parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets the minimum value for the parameter controlled by an expression pedal connected to EXP. | |
| EXP MAX | 0–100 | Sets the maximum value for the parameter controlled by an expression pedal connected to EXP. | |
| 5 | PEDAL MODE | MOMENT, TOGGLE | Selects the operation mode for the pedal switch on the PX-1. |
| ACTION | OFF → ON, ON → OFF | Sets how the pedal switch on this unit operates when PEDAL MODE is set to “MOMENT”. |
What are the parameters for the PS-2 Digital Pitch Shifter/Delay effect on the BOSS PX-1?
The PS-2 is a complex effect unit that features both a pitch shifter (±1 octave) and a digital delay (30 ms to 2 seconds).
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | BALANCE | 100:0–100:100–0:100 | Adjusts the balance between the direct sound and the effect sound. Center is 1:1 ratio. |
| F.BACK | 0–100 | In delay mode, adjusts delay repeats. In pitch shift mode, clockwise increases pitch shifting effect. | |
| FINE/MANUAL | (Setting range according to the mode), BPM | For delay modes (1-3), sets delay time. For pitch shift mode (4), adjusts pitch shift amount (-1oct to +1oct). For modes 5 & 6, no effect. | |
| 2 | MODE | 1: DLY125ms, 2: DLY500ms, 3: DLY2S, 4: PS MANUAL, 5: PS+1oct, 6: PS-1oct | Switches the mode. 1-3 are delay modes, 4-6 are pitch shift modes. |
| BPM | 40–250 | Adjusts tempo if “BPM” is selected for FINE/MANUAL. | |
| CARRYOVER | OFF, ON | Specifies if effect sound carries over when turned off. Only for delay modes (1-3). | |
| 3 | OUTPUT | STEREO, DRY/EFFECT | Specifies output mode. STEREO mixes dry/wet to both outputs. DRY/EFFECT sends wet to OUTPUT A, dry to OUTPUT B. |
| 4 | CTL1 TARGET | OFF, BALANCE, F.BACK, FINE/MANUAL, TAP | Selects parameter for CTL1. Tap disabled with external MIDI input. |
| CTL1 MODE | MOMENT, TOGGLE | Selects mode for CTL1 footswitch. Not shown when TARGET is “TAP”. | |
| CTL1 VALUE | 100:0–100:100–0:100, 0–100, BPM | Sets value for CTL1. Not shown when TARGET is “TAP”. | |
| 5 | CTL2 TARGET | OFF, BALANCE, F.BACK, FINE/MANUAL, TAP | Selects parameter for CTL2. Tap disabled with external MIDI input. |
| CTL2 MODE | MOMENT, TOGGLE | Selects mode for CTL2 footswitch. Not shown when TARGET is “TAP”. | |
| CTL2 VALUE | 100:0–100:100–0:100, 0–100, BPM | Sets value for CTL2. Not shown when TARGET is “TAP”. | |
| 6 | EXP TARGET | OFF, BALANCE, F.BACK, FINE/MANUAL | Sets parameter controlled by EXP pedal. |
| EXP MIN | 100:0–100:100–0:100, 0–100, BPM | Sets minimum value for EXP pedal. | |
| EXP MAX | 100:0–100:100–0:100, 0–100, BPM | Sets maximum value for EXP pedal. | |
| 7 | PEDAL MODE | MOMENT, TOGGLE | Selects mode for PX-1 pedal switch. Long-press for tap input in TOGGLE mode. |
| ACTION | OFF → ON, ON → OFF | Sets how pedal switch operates in “MOMENT” mode. |
What are the parameters for the VB-2 Vibrato effect on the BOSS PX-1?
The VB-2 applies a natural-sounding vibrato effect with three modes: unlatch, latch, and bypass.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | RATE | 0–100, BPM | Adjusts the speed of the vibrato. |
| DEPTH | 0–100 | Adjusts the strength of the vibrato. | |
| RISE TIME | 0–100 | Adjusts the time it takes for the vibrato to reach maximum once the pedal is pressed. | |
| 2 | MODE | UNLATCH, BYPASS, LATCH | Switches modes. UNLATCH: effect on only while pedal held. LATCH: toggles effect on/off. BYPASS: toggles between effect and analog bypass. |
| BPM | 40–250 | Adjusts tempo if “BPM” is selected for RATE. | |
| 3 | CTL1 TARGET | OFF, RATE, DEPTH, RISE TIME, TAP | Selects parameter to control from a footswitch connected to CTL1. |
| CTL1 MODE | MOMENT, TOGGLE | Selects operation mode for CTL1 footswitch. | |
| CTL1 VALUE | 0–100 | Sets value for the parameter controlled by CTL1. | |
| 4 | CTL2 TARGET | OFF, RATE, DEPTH, RISE TIME, TAP | Selects parameter to control from a footswitch connected to CTL2. |
| CTL2 MODE | MOMENT, TOGGLE | Selects operation mode for CTL2 footswitch. | |
| CTL2 VALUE | 0–100 | Sets value for the parameter controlled by CTL2. | |
| 5 | EXP TARGET | OFF, RATE, DEPTH, RISE TIME, BPM | Sets parameter controlled by an expression pedal connected to EXP. |
| EXP MIN | 0–100 | Sets minimum value for EXP pedal. | |
| EXP MAX | 0–100 | Sets maximum value for EXP pedal. | |
| 6 | PEDAL MODE | MOMENT, TOGGLE | Selects operation mode for the PX-1 pedal switch. |
| ACTION | OFF → ON, ON → OFF | Sets how pedal switch operates in “MOMENT” mode. |
What are the parameters for the DD-2 Digital Delay effect on the BOSS PX-1?
The DD-2 is the first digital long delay in a compact effect unit format, with delay times from 12.5 to 800 msec.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | E.LEVEL | 0–100 | Adjusts the volume when the effect is used. |
| F.BACK | 0–100 | Adjusts the delay repeats. | |
| D.TIME | 0–100, BPM | Fine-tunes the delay time. | |
| 2 | MODE | S.50ms, M.200ms, L.800ms, HOLD | Switches the mode. HOLD mode uses D.TIME to change hold time (200-800ms). |
| BPM | 40–250 | Adjusts tempo if “BPM” is selected for D.TIME. | |
| CARRYOVER | OFF, ON | Specifies if effect sound carries over when turned off. | |
| 3 | OUTPUT | STEREO, DRY/EFFECT | Specifies output mode. STEREO mixes dry/wet. DRY/EFFECT sends wet to OUTPUT A, dry to OUTPUT B. |
| 4 | CTL1 TARGET | OFF, E.LEVEL, F.BACK, D.TIME, TAP | Selects parameter for CTL1. Tap disabled with external MIDI or in HOLD mode. Tap range 133-800ms (BPM 70-300). |
| CTL1 MODE | MOMENT, TOGGLE | Selects mode for CTL1. Not shown for “TAP”. | |
| CTL1 VALUE | 0–100, BPM | Sets value for CTL1. Not shown for “TAP”. | |
| 5 | CTL2 TARGET | OFF, E.LEVEL, F.BACK, D.TIME, TAP | Selects parameter for CTL2. Tap disabled with external MIDI. Tap range 133-800ms (BPM 70-300). |
| CTL2 MODE | MOMENT, TOGGLE | Selects mode for CTL2. Not shown for “TAP”. | |
| CTL2 VALUE | 0–100, BPM | Sets value for CTL2. Not shown for “TAP”. | |
| 6 | EXP TARGET | OFF, E.LEVEL, F.BACK, D.TIME | Sets parameter controlled by EXP pedal. |
| EXP MIN | 0–100, BPM | Sets minimum value for EXP pedal. | |
| EXP MAX | 0–100, BPM | Sets maximum value for EXP pedal. | |
| 7 | PEDAL MODE | MOMENT, TOGGLE | Selects mode for PX-1 pedal switch. Only MOMENT available in HOLD mode. Long-press for tap in TOGGLE mode. |
| ACTION | OFF → ON, ON → OFF | Sets how pedal switch operates in “MOMENT” mode. |
What are the parameters for the DF-2 SUPER Feedbacker & Distortion effect on the BOSS PX-1?
The DF-2 adds a feedback feature to super distortion. Pick a single note and hold the pedal switch to get feedback.
| Page | Parameter | Value | Explanation |
|---|---|---|---|
| 1 | LEVEL | 0–100 | Corrects the difference in volume when you switch between normal and effect. |
| TONE | 0–100 | Adjusts the tone. Clockwise for more biting sound, counterclockwise for softer sound. | |
| DIST | 0–100 | Adjusts the distortion depth. | |
| 2 | OVERTONE | 0–100 | Adjusts the harmonic component of the feedback sound (one octave higher). |
| 3 | CTL1 TARGET | OFF, LEVEL, TONE, DIST, OVERTONE | Selects parameter for CTL1 footswitch. |
| CTL1 MODE | MOMENT, TOGGLE | Selects operation mode for CTL1 footswitch. | |
| CTL1 VALUE | 0–100 | Sets value for parameter controlled by CTL1. | |
| 4 | CTL2 TARGET | OFF, LEVEL, TONE, DIST, OVERTONE | Selects parameter for CTL2 footswitch. |
| CTL2 MODE | MOMENT, TOGGLE | Selects operation mode for CTL2 footswitch. | |
| CTL2 VALUE | 0–100 | Sets value for parameter controlled by CTL2. | |
| 5 | EXP TARGET | OFF, LEVEL, TONE, DIST, OVERTONE | Sets parameter controlled by EXP pedal. |
| EXP MIN | 0–100 | Sets minimum value for EXP pedal. | |
| EXP MAX | 0–100 | Sets maximum value for EXP pedal. | |
| 6 | PEDAL MODE | MOMENT, TOGGLE | Selects operation mode for PX-1 pedal switch. In “TOGGLE” mode, long-press to generate feedback. |
| ACTION | OFF → ON, ON → OFF | Sets how pedal switch operates in “MOMENT” mode. |
What should I do if the BOSS PX-1 does not turn on?
Check if the specified adaptor (PSA-series) or a USB AC adaptor that meets the conditions for use (at least 5 V/0.5 A) is properly connected to the BOSS PX-1. If not, connect the correct AC adaptor or USB AC adaptor.
What should I do if there is no sound from the BOSS PX-1?
Check if your output device is correctly connected to the OUTPUT jack. If it’s not connected correctly, check the OUTPUT jack connection.
What do the error messages on the BOSS PX-1 mean?
| Display | Explanation |
|---|---|
| PLEASE RE-INSTALL THIS EFFECT | The selected effect model is not supported by the PX-1’s current firmware. Update the unit to the latest firmware. |
| UNSUPPORTED (shown below a model name) | If you’ve selected an unsupported model, “UNSUPPORTED” is shown below the model name. |
What are the main specifications of the BOSS PX-1?
| Current Draw | 260 mA (AC adaptor) 420 mA (USB) |
| Dimensions | 73 (W) x 125 (D) x 56 (H) mm 2-7/8 (W) x 4-15/16 (D) x 2-1/4 (H) inches |
| Weight (excluding AC adaptor) | 400 g 15 oz |
| Accessories | Leaflet (“USING THE UNIT SAFELY”, “IMPORTANT NOTES”, and “Information”) AC adaptor Roland Cloud Activation Card |
| Options (sold separately) | Footswitch: FS-5U Dual footswitch: FS-6, FS-7 Expression pedal: FV-500H, FV-500L, EV-30, Roland EV-5 TRS/MIDI connecting cable: BMIDI-5-35, BMIDI-1-35, BMIDI-2-35, BCC-1-3535, BCC-2-3535 |
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