default price is 2 channel version. ( we also can provide blance version, price need more 18GBP)
works voltage Dual AC8-12V
Support 4 way stereo audio input.
with Opto-isolated external swtich control signal.( you can add one Power Switch Board to control other External device power.)
High-grade aluminum remote control.
Main board PCB size: 68mm*68mm
Two coding switch mounting hole pitch 168MM. you also can take down the two coding switch mounting PCB, connect them via wires easy.
The board use new original BB's top volume control chip PGA2311,
Internal use pure resistor network, when volume<0 dB ,d not start internal amplifier,
when > 0dB using the internal amplifier, it is is a good preamp stage.
The board is set to -95dB to + 31dB,each sep 1dB;
package included: Assembeld Remote preamp volume board x 1
remote x 1(no battery)
connect wires