The 350W subwoofer power amplifier board uses the original disassembled tube and has a high signal-to-noise ratio.
No noise can be heard without plugging the input line. And with full relay protection, such as boot delay, DC output, speaker short circuit and so on.
The whole body adopts the front and rear stage split design, which is convenient for DIY installation, and the pre-stage low-frequency processing capability is strong.
It can be adapted to multiple low speakers and can be used by connecting passive speakers.
colour:green
Material:PCB
size:15.7*10.7cm
Package Contents:
1 * power amplifier board
1 * tuning board
2 * wiring
1 * pack knob
