1.perfectly seamless with the interface, PCM DSD switch without defects 2.can be AC DC power supply, easy to use 3.ES9038Q2M parameters are relatively perfect, 129dB DNR -120dB +N is not comparable to the old chip 4.Board size 75 x 90mm for easy installation Basic parameters: DLHiFi ES9038Q2M I2S IIS Voltage: DC 9-15V (standard DC 5.5 x 2.1 carrier) PCB size: 75 x 90MM Output terminal: RCA+3.5 terminal, can be directly connected amplifier, amp, headset Input support: I2S/DSD: 32bit 384k/DSD64, DSD128, DSD256 Coaxial fiber: 44.1k-192k/DSD64 Material: PC+metal colour: As shown Package Contents: 1 x Digital Audio DAC Decoder Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.