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Protection Mode

When protection mode triggers, the red LED on the subwoofer turns on and the subwoofer shuts down.
One of the following reasons can trigger protection mode: input overload, short circuit and extremely high 

temperature.
When the red LED turns on, take the following measures.
•  Check the audio system carefully to determine what has caused the protection mode to trigger.
•  Reset the subwoofer. Turn off the subwoofer (by turning off the head unit or other audio source which feeds 

the subwoofer) and turn it on again.

•  If the shutdown was due to either an input overload or a short circuit, correct the conditions which cause the 

overload or short circuit then turn on the subwoofer again.

Placement

•  Find a suitable location in the vehicle to place the subwoofer. A common location is in the trunk of a car or 

behind the seat of a truck, as shown below.

• 

Make sure there is sufficient air circulation around the subwoofer.

•  Place the subwoofer in the location away from moisture, and where connection cables are not pinched or 

damaged by sharp objects.

En el maletero

Detrás del asiento

Wiring

  See the section “Installation Precautions” on page 3.

 

For safety, disconnect the negative terminal of the vehicle battery prior to wiring.

 

Use only high quality wires for reliable installation to minimize signal or power loss.

 

Make sure wires are not squeezed or damaged by sharp edges. Use rubber bushings for 

penetrations. 

 

Make sure all the cables are securely connected and bare wires are properly insulated.

 

Reconnect the negative terminal of the vehicle only when all wire connections are correctly and 

securely made.

Summary of Contents for B12ES

Page 1: ......

Page 2: ...oduct properly If there are any technical questions please contact Customer care 805 751 4853 Live chat Online support www bossaudio com support IMPORTANT Please enter below the Serial No which is loc...

Page 3: ...input gain control These allow you to adjust sound effects to suit personal need The B12ES offers you two wiring alternatives for audio signal input low and high level inputs It can also auto sense h...

Page 4: ...he event of smoke strange noise or odor emitted from the product or any other abnormal operational signs appearing on the product disconnect the product from the power supply Discontinue use and conta...

Page 5: ...f distortion Then turn down the gain control until the distortion is completely gone Leave the gain control at this setting 3 Phase Control Press to improve bass response no or little bass sound cause...

Page 6: ...bwoofer Setup Procedure 1 Secure this subwoofer in your vehicle See the section Placement on page 6 2 Disconnect the negative terminal of the vehicle battery to prevent a short circuit 3 Establish aud...

Page 7: ...Find a suitable location in the vehicle to place the subwoofer A common location is in the trunk of a car or behind the seat of a truck as shown below Make sure there is sufficient air circulation ar...

Page 8: ...ake sure the left and right channels are correctly matched To reduce the possibility of noise entering the signal chain use high quality well insulated RCA cables Run the RCA cables away from large ca...

Page 9: ...ound point with a screw or bolt 2 Using a 16 gauge or heavier wire connect the REM terminal on the subwoofer to the remote output wire of your head unit The REM terminal connection is used for power c...

Page 10: ...ct our technical support Problem Solution No power Green LED not lighting up Check that the subwoofer is properly grounded e g a clean contact point on the vehicle chassis and the secure ground connec...

Page 11: ...aker wires Check if the amplifier of your source unit is defective Audio noise Keep the power cables away from the RCA cables Keep the RCA cables away from other electrical cables in the vehicle Check...

Page 12: ...ol switchable between 0 and 180 General Power supply 12 16VDC Current consumption 12A maximum Fuse ATO type 15A PWM MOSFET power supply yes Protection circuitry yes overload short circuit and thermal...

Page 13: ...1122...

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