Boss Audio Systems BAB8 8 Inch Powered Under Seat Car Subwoofer – 800 Watts Max

User Manual - Page 6

For BAB8.

PDF File Manual, 13 pages, Read Online | Download pdf file

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10. Input Gain Control
Adjust the input level of this subwoofer in order to match the output level from your source unit (head unit).
Important! Do not adjust the input level to maximum unless your input level requires it.
Follow the steps below to set your input level correctly.
a. On this subwoofer, turn the input gain control to minimum.
b. On your source unit, turn the volume to about 3/4 full level.
c. Slowly turn up the input gain control until you hear a small amount of distortion. Then turn down the gain
control until the distortion is completely gone. Leave the gain control at this setting.
11. Low-Level Input (RCA Input)
Connect to the RCA outputs on your head unit. Low level input is recommended to input audio signal to this
subwoofer if RCA outputs are present on your head unit or signal processor.
12. High-Level Input (Speaker Level Input)
Connect to the speaker wires on your head unit. If your head unit does not have RCA outputs, use the
speaker wires on the head unit for audio signal input from your head unit.
13. Remote Subwoofer Control Port
Connect to the supplied remote subwoofer level control. Use the control to adjust volume level of this
subwoofer independently.
Subwoofer Setup Procedure
1. Secure this subwoofer in your vehicle. See the section “Mounting” on page 6.
2. Disconnect the negative terminal of the vehicle battery to prevent a short circuit.
3. Establish audio signal input (low-level or high-level inputs). See the section “Low Level Input Wiring” or
“High Level Input Wiring” on page 7.
4. Make power connection on this subwoofer. See the section “ Power Connection” on page 8.
5. Recheck all connections to ensure correct and secure power/signal inputs.
6. Set the input gain control (GAIN) to the minimum position.
7. Reconnect the negative terminal of the vehicle battery for.
8. Turn on your source unit, then this subwoofer automatically turns on.
9. Set the source unit volume to about 3/4 full level, then adjust this subwoofer’s input gain control (GAIN) to
just below the level of distortion.
10. Fine tune the various controls on this subwoofer to obtain best results.
Important notes on input level control
The input gain control (GAIN) is designed only to adjust the input level of the subwoofer in order to match
the output level of your source unit. It is not a volume control!
Never adjust the input level to maximum unless your input level requires it.
Failure to notice these instructions will result in an input overload to the subwoofer and excessive audio
distortion. It can also trigger protection mode, or may cause damage to the subwoofer or your speakers.
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