Use your power amplifier | Philips CMQ205/00 specs

4Use your power amplifier

Select Filter Mode according to the connected speaker type.

1Slide FILTER MODE to the selected position.

•HPF (high-pass-ﬁlter): Select this mode when mid-range speakers and tweeters are connected for high frequency output.

•LPF (low-pass-ﬁlter): Select this mode when woofer and subwoofer are connected for low frequency output.

•OFF (ﬂat): Select this mode when both tweeters and woofers are connected.

When FILTER MODE is set at LPF position, you can select the range of frequency that is to be ﬁltered.

Note

•When FILTER MODE is set at OFF or HPF position, LPF FREQUENCY does not work.

1 Slide LPF FREQUENCY to the selected position.

•80Hz: More high frequency signal is ﬁltered. Select 80Hz if you prefer stronger bass effect.

•180Hz: Less high frequency signal is ﬁltered.

To ensure sound quality, adjust input level to	English
To ensure sound quality, adjust input level to
match it with the car audio’s output voltage.

1Check the line output voltage of the connected car audio.

2Rotate INPUT LEVEL to select a matched voltage: 0.3V to 6V.

To enjoy more bass sound:

1Set FILTER MODE at OFF or LPF mode.

2Slide BASS BOOST to 12dB position.

•If BASS BOOST is set at 0dB position, no extra bass will be boosted.

Note

•If FILTER MODE is set at HPF mode, the bass frequency will be ﬁltered.

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

•The ampliﬁer is overheated.

•A DC current is generated in speakers.

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

•The speaker terminals are short circuited.

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

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