Works Great. DAC: AK4191EQ + AK4499EX. Playback and DAC Decoding: Support up to stereo DSD512, PCM 768KHz 32Bit. Analog Preamp Audio Input: XLR(Balanced) 1 + RCA(Unbalanced), Maximum Gain +10dB. Analog Audio Output (Preamp): XLR(Balanced) + RCA(Unbalanced).