Adjust phase, Adjust frequency, Adjust volume

4Use your active subwoofer

Note

•Before playing music, position all knobs at the minimum level.

Adjust phase

The location of the subwoofer determines the overall quality of the music. Even you are seat at sweet spot, the bass effect you heard might not in-phase with the overall music signal, for the subwoofer created a phase difference. In this case, you can change the phase of bass signal to enhance overall bass response, as well as overall feeling of the music.

1Press down PHASE.

»The bass signal is 180 degree out of phase with the original one.

•To resume original bass effect, press PHASE again to release the button.

Adjust frequency

You can change LPF (low-pass-ﬁlter) frequency from 80Hz to 120Hz.

1Rotate FREQUENCY to adjust frequency.

Adjust volume

You can change volume from minimum level (0) to maximum level.

1Rotate VOLUME.

About the protector indicator

The subwoofer has a built-in protection circuit to protect the transistors and speakers in following conditions:

•The subwoofer is overheated.

•A DC current is generated in the speakers.

•The battery voltage is over low or over high. Or

•The speaker terminals are short circuited.

When the PROTECTED indicator lights up in red, the subwoofer shuts down automatically. In this case, please:

1 Take out the disc or tape and turn off the car audio.

2Check the cause of the malfunction.

3If the subwoofer is overheated, let it cool down.

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