Low Pass Filter Bass Subwoofer Amplifier Board Single Power

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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