ASUS Xonar U7 MKII 7.1 USB sound card(ASUS XONAR U7 MKII) - Cmedia 6632AX, Interface: USB, SNR: 114dB, Connectivity: 4 x 3.5 mm jack (1/8"), 2 x RCA (Un-Balanced), 1 x 3.5 mm jack (1/8") (Line-in/ Mic-in combo), 1 x S/PDIF out (1 x Coaxial), Headphone Output Power: Line output (RCA, 3.5) : 1 Vrms (2.828 Vp-p), Headphone output : 1.3 Vrms (3.677 Vp-p), Operating System: Windows10(32/64bit), Windows8.1(32/64bit), Windows7(32/64bit),