Sound Magus AP12PRO Specifications:

   Channels: 12​
   Inputs:
       8-channel low/high-level​
       Optical​
       Bluetooth stereo (24-bit/96kHz)​
   Outputs: 12-channel low-level​
   Frequency Response: 10Hz – 22kHz​
   Signal-to-Noise Ratio:
       97dB
   Channel Separation: 80dB @ 1kHz​
   Working Voltage: DC 8.2V – 16V​
   Dimensions: 165mm x 198mm x 43mm​