SMSL DO400 ES9039MSPRO Full Balanced Headphone Amplifier Audio Decoder DACSupport MQA decoding and MQA CD; New 3rd generation XMOS XU316, PCM support up to 32bit 768kHz, DSD support to DSD512; The new generation flagship DAC chip ES9039MSPRO of USA ESS has built in MQA hard decoding; High output power: 6W at 16 ohm and 3W at 32 ohm ; Fully balanced design, 4 way ultra low distortion precision linear feedback circuit (PLFC)Three types of headphone output connectors: 4 XLR, 4. 4mm and 6. 35mm, to meet different purposes;