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PDF Content Summary: BOSS AUDIO SYSTEMS BPS80 USER'S MANUAL 8" (203 mm) LOW PROFILE AMPLIFIED MARINE WEATHERPROOF UNDERSEAT SUBWOOFER FEATURING REMOTE SUBWOOFER CONTROL AND BUILT-IN AMPLIFIER AUDIO SYSTEMS AUDIO SYSTEMS BOSS USER'S MANUAL AUDIO SYSTEMS page CONTENTS BPS80 8" Low Profile Amplified Subwoofer 2 Introduction 2 What is included? Features Congratulations on your purchase of a BOSS BPS80 Amplified Subwoofer. DRO SISTEMS General precautions Protection circuitry 4 Installation precautions It has been designed, engineered and manufactured to bring you the highest level of performance and quality, and will afford you years of listening pleasure. Fuses Mounting the subwoofer AUDIO SYSTEMS Thank you for making a BOSS your choice for car audio entertainment! Connecting the subwoofer Front panel controls and features Rear panel controls and features Input wiring 10 Power connections 10 Remote level control connection 11 Troubleshooting 12 Specifications BPS80 Amplified Subwoofer User's Manual - Page 1 Introduction What is included? With the BPS80, we are introducing a low profile amplified subwoofer, low enough to easily fit below the seat of your car. This system offers you a quick and easy way to add a high powered subwoofer system to your audio system. When first unpacking your new amplified subwoofer, please check first that the package contains all of the items below. If something is missing, contact the store where you purchased the product. The integrated amplifier in BPS80 features a low pass crossover and a subsonic filter, as well as a control for adjusting the input sensitivity from 90mV to 4V. • BPS80 amplified subwoofer • Remote subwoofer level control • Remote subwoofer control cable • High level input harness/wire • Mounting EVA pads and screws Both high level (speaker level) and low level (RCA) type inputs are present, making this a universal solution for use with any head unit or other input source. Features Your new BPS80 Powered Subwoofer features the following: For further flexibility in the use of a subwoofer, a variable bass boost control has been included. you can control the subwoofer level with the remote level control module. • RCA low level input • High level input • Green LED power status indicator • Red LED protect status indicator • Phase selector switch: 0 or 180° • Adjustable input sensitivity: 90mV-4V • Variable bass boost • Low pass filter (50 - 150Hz) • Soft delay remote turn-on • Remote sub-woofer control • Thermal, short and overload protection circuit BPS80 Amplified Subwoofer User's Manual - Page 2 General precautions Before installing and using your new BOSS amplified subwoofer, please become familiar with all the infor mation contained in this manual. Protection Circuitry The built-in amplifier incorporates special protection circuitry which will disable the amplifier if any of the following should occur: AUDIO SYSTEMS • Input overload Please keep this manual in a safe place for future reference. • Short circuit • Extremely high temperatures • Do not open or attempt to repair this unit yourself. Dangerous high voltages are present which may result in electric shock. Refer any repairs to a qualified service technician. If any of these conditions is detected, the amplifier will go into a self preservation mode, and the PROTECT LED on the control panel will glow in RED color. • To avoid risk of electronic shock or damage to the unit, do not permit any of this equipment to become damp or wet from water or drinks. If this does occur, immediately unplug the power wires and send the product to your local dealer or service center as soon as possible. What should I do if the POWER STATUS LED is RED? If you observe that the POWER STATUS LED IS RED, please check the system carefully to determine what has caused the protection circuit to engage. • If there is smoke or any peculiar odor presentduringuse or if there is damage to any of the component enclosures, immediately unplug the power cord and send the product to your local dealer or service center as soon as possible. To reset the amplified subwoofer when it is in PROTECT mode, turn the power off to the system (usually by turning off the head unit or other signal source which feeds the amplifier) and then turn it on again. SHOCK HAZARD! Do not open the case of this product. There are dangerous voltages present within the unit. There are no user serviceable parts within the unit. If the internal amplifier has shut down due to thermal overload, you should first allow it to cool down before restarting. If the shut down was due to either an input overload or a short circuit, be sure to correct these conditions before attempting to power up the subwoofer again. BPS80 Amplified Subwoofer User's Manual - Page 3 Installation precautions Before you drill or cut any holes, investigate your car's layout very carefully. Take special care when you work near the gas tank, fuel lines, hydraulic lines and electrical wiring. Mounting the subwoofer 1. Find a suitable location in the vehicle in which to mount the amplifier. A typical location is shown below: Vehicle seat Never operate the subwoofer when it is unmounted. Attach all audio system components securely within the amplifier to prevent damage, especially in an accident. Do not mount this product so that wire connections are unprotected, in a pinched condition, in contact with any metal surfaces in your vehicle, or likely to be damaged by nearby objects. Before making or breaking power connections in your system, disconnect the vehicle battery. Confirm that your head unit or other equipment is turned off while connecting the input jacks and speaker terminals. Make sure there is sufficient air circulation around the intended mounting location. Position the subwoofer enclosure where you wish to install it. Make some small marks to identify the position and remove the unit. 2. Please follow below to install: If you need to replace the power fuse, replace it only with a fuse identical to that supplied with the product. Using a fuse of a different type or rating may result in damage to your audio system or your amplifier which is not covered by the manufacturer's warranty. (1). Thoroughly clean the area you plan to attach the subwoofer, using a vacuum cleaner. Fuses Power fuses protect both the amplifier and the electrical system of your car from fault conditions. If you must replace a fuse in your BPS80 powered subwoofer, use a fuse of exactly the same type and rating. Using a different type or rating of fuse may result in damage to your amp or vehicle or cause a fire. BPS80 Amplified Subwoofer User's Manual - Page 4 Connecting the subwoofer (2). Place a EVA pad below each mounting leg, and attach the amplified subwoofer to the surface below using the (4) self-tapping screws provided. Of course, before you drill or cut any holes, investigate your car's layout very carefully. Before doing any wiring, look through this manual and identify the diagrams to follow for power, input and speaker connections for your particular installation. Be sure you understand all the connections before you proceed. Take special care when you work near the gas tank, fuel lines, hydraulic lines and electrical wiring. 1. Connect the ground terminal to the closest point on the chassis of the vehicle. Keep this ground wire to less than 39" (100 cm) in length. Use 8 gauge (or heavier) wire. 2. Connect the remote terminal to the remote output of the head unit using 16 gauge (or heavier) wire. WA VESNA VA MA ARA 20 24 3. Connect an empty fuse holder within 18" (45 cm) of the car battery, and run 8 gauge (or heavier) cable from this fuse to the amplifier location. til 4. Check that the fuse holder is empty. Then connect the fuse holder to the "BATT+" connection on the amplifier. BPS80 Amplified Subwoofer User's Manual - Page 5 Don't misuse the level control! 5. Connect all line inputs and outputs (if used) using high-quality cables. Connect all speakers, following the diagrams in this manual. Be sure to observe proper polarity to avoid audio phase problems. Do not mistake the input level control for a volume control! It is designed ONLY to match the output level of your audio source to the input level of your subwoofer. 6. Insert fuse(s) into the battery fuse holder(s). 7. Recheck all connections before powering up the subwoofer. Do not adjust this input level to maximum unless your input level requires it 8. Set all level controls to minimum position, and set all crossover controls/switches to the desired frequency points. Ignoring these instructions will result in an input overload to the amplifier in the subwoofer, and excessive audio distortion. It can also cause the protection circuit to engage. 9. Power up the head unit and the subwoofer. Then set the volume control on the head unit to about 3/4 volume, and adjust the subwoofer controls to just below the level of distortion. 10. Further fine tuning of the various controls may be necessary to obtain best results. BPS80 Amplified Subwoofer User's Manual - Page 6 Front panel controls and features REMOTE SUB CONTROL PHASE INPUT LEVEL BASS BOOST LP FILTER (0) 0 0 180 MIN, MAX MIN, MAX POWER 50 H 150 PROTECT mapena 631 maj BOSS AUDIO SYSTEMS INPUT GAIN CONTROL REMOTE LEVEL CONTROL PORT Attach the included remote level control to the port to control the volume level of the subwoofer independently. After you have installed your system, turn this control to minimum PROTECT STATUS LED This LED will be red if one of the protection circuits comes on. Turn the head unit on (and the subwoofer will turn on via the remote connection). Turn the head unit volume to about 2/3 full level. 3 Slowly turn up the subwoofer input gain control until you hear a small amount of distortion. Then reduce the level until the distortion is completely gone. Leave the control at this setting. LOW PASS FILTER This control permits you define the frequency range you want the subwoofer amplifier to receive. The subwoofer will reproduce all sound BELOW the frequency you set. PHASE SHIFT Use this switch to help compensate for time alignment problems in the system. Such problems usually result from having the subwoofer at a different distance from the listener than the other speakers in the system. If the rest of your system is weak on the mids, you may wish to set this control relatively high. If the midrange is well covered by the rest of your system, you will probably want the subwoofer to only receive lower frequency signal. BASS BOOST POWER STATUS LED This LED is green when power is on and no problems are present. The bass boost feature will increase the sound level in the bass frequencies. BPS80 Amplified Subwoofer User's Manual - Page 7 Rear panel controls and features POWER LOW LEVEL INPUT HIGH LEVEL INPUT (0) (0) BOSS AUDIO SYSTEMS HIGH LEVEL (speaker level) INPUTS 1 POWER Connect the power cable terminals as per the wiring label on the power cable. Namely, RED to BATT +12V, BLACK to a good chasis ground, BLUE to remote If your head unit does not have RCA outputs, you can use the speaker outputs for the audio source for the BPS80. Use the supplied cable and wire harness and connect the outputs properly as shown in the connection diagram in this manual. The fuse is rated at 20A. Do not use a fuse with a different value and NEVER replace the fuse with a wire or coin. LOW LEVEL RCA INPUTS Low level inputs are the recommended way to introduce the audio signal to the subwoofer if RCA outputs are present on your head unit or other signal source (such as a sound processor). BPS80 Amplified Subwoofer User's Manual - Page 8 Low Level Input Wiring Low-level (RCA) input wiring is preferred for best audio performance. Most trunk or hatchback installations will require a 15-20 foot RCA cable, while pickup trucks and under-seat installations will require a 6-12 foot RCA cable. Always use a high quality cable. NOTE: Do not connect BOTH the high level and low level inputs from your receiver to your amplifier at the same time! LOW LEVEL INPUT HIGH LEVEL INPUT POWER BOSS AUDIO SYSTEMS 14H (The extension cable to 1110-HC be purchased separately) To Audio III b Outputs of head unit or signal processor High Level Input Wiring The high level input(s) should only be used when your receiver lacks RCA outputs. If the RCA outputs are not present, connect the speaker outputs from the receiver to the high level input connector of the amplifier. Be sure to observe polarity to avoid audio phase problems. NOTE: Do not connect BOTH the high level and low level inputs from your receiver to your amplifier at the same time! LOW LEVEL INPUT HIGH LEVEL INPUT POWER BOSS AUDIO SYSTEMS (The extension cable to be purchased separately) WHITE L R+ PURPLE BLUE GREEN To Speaker Terminals of head unit BPS80 Amplified Subwoofer User's Manual - Page 9 Power Connections Connect the ground terminal to the closest point on the chassis of the vehicle. Keep this ground wire to less than 39" (100 cm) in length. Use & gauge (or heavier) wire. Connect the remote terminal to the remote output of the head unit using 16 gauge (or heavier) wire. Connect an empty fuse holder within 18" (45 cm) of the car battery, and run 8 gauge (or heavier) cable from this fuse to the amplifier location. Then connect the fuse holder to the “BATT+" connection on the subwoofer rear panel. Left Panel LOW LEVEL INPUT HIGH LEVEL INPUT POWER BOSS Chassis ground point FUSE Battery to REMOTE TURN-ON terminal of head unit Remote Level Control Connection Right Panel REMOTE SUB CONTROL PHASE INPUT LEVEL BASS BOOST LP FILTER 0 180 MIN MAX POWER MIN MAX 50 PROTECT BOSS AUDIO SYSTEMS Remote Level Control Install the remote control securely under the dash or in a similar location where using it will not distract the drive. ΤΦΗ BPS80 Amplified Subwoofer User's Manual - Page 10 Troubleshooting If you experience operation or performance problems with this product, compare your installation with the electrical wiring diagram on the previous pages. If problems persist, read the following troubleshooting tips which may help eliminate the problems. SYMPTOM Amplifier will not power up. POSSIBLE REMEDY Check to make sure you have a good ground connection. Check that the Remote Input (Turn-On) has at least 3VDC. Check that there is battery power on the (+) terminal. Check that there is at least 12v. Check all fuses, replace if necessary. Make sure that the Protection LED is not illuminated. If it is lit, shut off the amplifier briefly, and then repower it. Turn down the volume control on the head unit to prevent overdriving. Reset the amplifier. If the Protection LED still comes on, then the amplifier is faulty and needs servicing. Protection LED comes on when amplifier is powered up. No output. Check that all fuses are OK. Check that unit is properly grounded. Check that the Remote Input (Turn-On) has at least 3VDC. Check that the RCA audio cables are plugged into the proper inputs. Check all speaker wiring. Low output. Reset the Level Control. Check the Crossover Control settings. High hiss in the sound. Disconnect all RCA inputs to the power sub's control panel. If the hiss disappears, then plug in the component driving the amplifier and unplug its inputs. If the hiss disappears at this point, go on until the faulty/noisy component is found. It is best to set the amplifier's input level control as low as possible. The best subjective signal-to-noise ratio is achieved in this manner. Try to set the head unit as high as possible (without distortion) and the amp input level as low as possible. Check for improperly grounded RCA interconnects. Squealing noise is present. Distorted sound. Check that the Input Level Control is set to match the signal level of the head unit. Always try to set the Input Level as low as possible, Check that all crossover frequencies are properly set. Check for short circuits on the speaker leads. Amplifier gets very hot. Check that the minimum speaker impedance for the amp model is correct. Check that there is good air circulation around the amp. In some applications, it may be necessary to add an external cooling fan. Engine noise (static type) This is usually caused by poor quality RCA cables, which can pick up radiated noise. Use only the best quality cables, and route them away from power cables. Check that the RCA grounds are not shorted to the vehicle chassis. Check that the head unit is properly grounded. Engine noise (alternator whine) BPS80 Amplified Subwoofer User's Manual - Page 11 BOSS AUDIO SYSTEMS Specifications MODEL Maximum power THD Signal-to-noise ratio Frequency response Input sensitivity, high level Input sensitivity, low level Low pass filter Bass Boost Fuse rating Dimensions 8” Amplified Subwoofer BPS80 800W <0.5% >68dB 20Hz - 150Hz 0.4V 90mV 50Hz - 150Hz 0 to +12dB 20A 10-1/4" x 14-3/8" x 3" (260 x 365 x 76mm) All specifications subject to change without notice. BPS80 Amplified Subwoofer User's Manual - Page 12 BOSS AUDIO SYSTEMS BOSS Audio Systems 3451 Lunar Court. Oxnard, CA 93030 bossaudio.com 800-999-1236 US Toll-free 805-751-4853 Customer Service Tech Support: bossaudio.com/support OCES 0819
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