... anti-jamming decoder can cutomize the board 10-30 control channel mp3 decoder board for CCTV control FeaturesSupport MP3 format ... MCU control circuit, the operation is simpler, more stable performanceTwo-channel stereo DAC 24bit 196KHz audio decoder, to ensure the fidelity ... of voicethe large output current, the power of each channel can be reached 10W, so driving is easierLow circuit ...