Low Pass Filter Bass Subwoofer Preamp Amplifier Board Single Power
DC 9-32V Bass
Description:
Note:
This board is a preamp board,
it can't 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 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.
Features:
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
PCB Size: 62 9* 26.5mm
Audio input: mono or two-channel
Audio output: Mono(connect with amplifier)
Package included:
1PC x Low Pass Filter Bass Subwoofer
Pre-AMP Amplifier Board
1PC x Power cable
1PC x Audio Shieklded cable
