Controls / Indicator

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1LPF FREQUENCY control

Sets the cutoff frequency when the FILTER switch is set to LPF.

2FILTER switch

This switch allows to apply high-pass or low-pass filtering to the speaker outputs.

•HPF (High-Pass Filter) position:

Only frequencies of 150 Hz or higher are output. (Frequencies below 150 Hz are cut.)

•OFF position:

The entire bandwidth is output without filtering.

•LPF (Low-Pass Filter) position:

The filter outputs the band of lower frequencies than the frequency set with the LPF FREQUENCY control.

The speaker output is automatically switched to monaural (L+R).

3BASS BOOST switch

Sets the boost level for bass control.

•12dB position:

BASS BOOST is +12 dB.

•KAC-7201: OFF position:

BASS BOOST is OFF.

•KAC-7251: OFF(REMOTE) position:

Can be set from the Remote Controller.

NOTE

If you have disconnected the Remote Controller, the BASS BOOST is turned OFF.

(W)

40

20

10

45

4OPERATION switch

This switch is used to select the operation mode of the amplifier.

•STEREO position:

The amplifier can be used as a stereo amplifier.

•MONO (Lch) position:

Amplifies the signal input from the left side only. Set to this position and make bridged connections to use as a high-power monaural amplifier. (The input right signal is not output.)

5INPUT SENSITIVITY control

Set this control according to the pre-output level of the center unit connected with this unit, or to the maximum power output of the genuine-accessory car stereo.

Use the diagram on the right as a guide.

NOTE

For the pre-output level or the maximum power output, refer to the “Specifications” in the instruction manual of the center unit.

6Remote controler control (KAC- 7251 only)

When the "BASS BOOST" switch is in the "OFF (REMOTE)" position, control the Bass Boost level from the Remote Controller.

•OFF position:

BASS BOOST is OFF.

•+6/+9/+12 position:

Boost the bass sound by +6 dB, +9 dB and +12 dB, respectively.

4English