XH-M164 NE5532 Amplifier Board Module Stereo Pre-amp Preamplifier Tone Board Audio 4 Channels 4CH CH Control Circuit Module

Product Parameters: Power supply: AC dual 12V ±2V Power consumption: 5W Installation hole distance: K=M3 J=53*93 Front chip: NE5532 Input interface: standard lotus socket Output interface: 2.54-3P Number of channels: two channels Adjustment type: 4 channels (treble + midrange + bass + total volume)