Low Pass Filter Bass Subwoofer Preamp Amplifier Board Single Power DC 9-32V Preamplifier with Bass Volume Adjustment

The so-called low-pass filter to filter out the human voice board is more than treble part, retain the low frequency part is amplified to improve the bass reproduction efforts, people will not hear the sound of musical instruments and high-frequency sound during playback. The buyer must understand knowledge of this area.

Power supply voltage: DC 9V-32V single power supply

Dual channel input, subwoofer output, then the output amp-ifier,can not directly connected to the speaker

The multi-stage filter, better bass effect.The phase adjustable

Potentiometer from left to right: frequency adjustment, bass volume control

The cut-off frequency: 22HZ-240HZ

Potentiometer shaft center to center spacing: 3cm

OP AMP:TL072

size: 6.2 x 2.6cm

Material:ABS

colour:As shown

Package Contents:

1 x Low Pass Filter

Only the above package content, other products are not included.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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