1:Support 32KHz/44KHz/48KHz sampling rate for both playback and recordings. 2:AES/EBU,IEC60958,S/PDIF input and output. 3:Plug and play features, easy to use. 4:Works with Win98SE,ME,2000,XP,Mac OS(2 channel for Mac Only). USB 2.0 specification Plug and play Virtual Digital 7.1 Channel Surround 3D Sound XEAR 3D 7.1 FO WINDOWS XP/VISTA Fiber input: 32 khz, 44khz, 48khz Fiber output: 44khz, 48khz Operating system: Win98SE, ME, 2000, XP, Mac OS 9.1 (Macversion has 2channel palayback only) 1. Support AES/EBU, IEC60958, S/PDIF; 2. The real hardware supports 5.1 channels, which can be connected to 5.1 speakers, up to 48KHz sampling rate; 3. Support digital recording specifications: 32KHz, 44KHz and 48KHz sampling rate; 5. Support Win98/ME/2000/XP/MAC OS9.1 (only 2 channels can be used in MAC); 6. Support playback and recording of full-duplex audio stream of PC silent card; 7. Compatible with USB 1.1; 8. Compatible audio equipment specification V1.0; 9. Support USB 12M serial data transmission; 10. 3 input terminals; 11. 3 output terminals; 12. Plug and play. Brand General SKU 100516780_NP-1020864920