Low Pass Filter Board Subwoofer Control Board Amplifier Module DC9-32V
Features:
channel input, subwoofer output, then the output amplifier,can not directly connected to the speaker
The multi-stage filter, better effect

Specifications:
Phase Adjustment: 0; 180
Power supply voltage: for 9V-32V for single power supply
The phase adjustable
Potentiometer from left to right: frequency adjustment, volume control
The cut-off frequency: 22HZ-240HZ
Potentiometer shaft center to center spacing: 3cm
Special note:
This board is a preamp board, and is not designed to be directly connected to the speaker. It must be connected to the subsequent stage of an amplifier board for this pre-amp to work.
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 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.
PCB size: 6.1*2.6cm/2.40*1.02inch
No Retail Packages
Quantity: 1Set
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package include:
1 * Module
1 * Cable