High-precision Single supply low pass filter board subwoofer preamp board 2.1 channel DC 10-24v 22hz-300hz

Made of high quality material, solid, durable, good performance and long service life.

The board features a very high signal-to-noise ratio and strong anti-interference ability. When there is no signal input, no noise is heard near the speaker.

The adjustment potentiometer is fully sealed. The input and output terminals are made of pure copper terminals, and the wiring is very convenient.

The op amp adopts Texas NE5532, and the IC seat can be soldered at any time to change the op amp, and the effect brought by different op amps can be improved.

It is designed with LED indicators to monitor the power status in real time.

Filter Board only, other accessories demo in the picture is not included!

Specification:

Material: PCB Board, Electronic Components

Power supply voltage: DC10-24V, single power supply

Frequency range: 22Hz-300Hz

Audio input: Mono or Two-channel

Audio output: Mono

Size: app.7.8 x 3.2 x 0.16cm/3.07 x 1.26 x 0.06in

Fixed Hole Center Distance: app.7 x 2.4cm/2.76 x 0.94; Hole Dia.: 0.32cm/0.13in

Potentiometer Center Distance: app.3.25cm/1.28in

Color: Light Green