ITEM NAME:Pcm2704 Audio Dac Usb To S/Pdif Sound Card Hifi Dac Decoder Board 3.5Mm Ana Q2G8 Pcm2704 Audio Dac Usb To S/Pdif Sound Card Hifi Dac Decoder Board 3.5Mm Ana Q2G8 USB Compatibility:Windows XP,Windows 7,Android DSD Sampling Frequencies:None,5.6448 MHz (DSD128) Type:Portable Outputs:RCA Inputs:USB Type-A,Coaxial Model Number:PCM2704 Support 16bit 32KHz/44.1KHz/48KHz Support 2-channel analog output,S/PDIF output THD+N=0.006% USB interface support 1.0 specifications WIN XP/WIN 7/WIN 2000 free driver WIN 98SE need install driver Voltage:5 V (USB interface) Distortion: THD+N:0.006% (RL more than 10 k) Distortion: THD+N:0.025% (RL equal 32 ) Signal-to-noise ratio:98 dB Dynamic range:98 dB Headphone output power:12 MW (RL equal 32) colour:blue Material:Metal +pc Dimensions (W x H x D):55 x 50mm Package Contents: 1 * DAC Decoder.Model Number:PCM2704. 1 DAC Decoder. USB Compatibility:Windows XP,Windows 7,Android. Inputs:USB Type-A,Coaxial. USB interface support 1.0 specifications. Headphone output power:12 MW (RL equal 32). Distortion: THD+N:0.025% (RL equal 32 ).