USB to Audio Features Fully compliant with USB 1.0/1.1 specification Adaptive mode for isochronous transfer Self powered device 16-bit stereo and monaural USB Audio Data stream Acceptable Analog Performance (at VCC = 5 V): DYR: 100dB (TYP) THD+N: 0.004 % Sampling rate (fs): 32, 44.1, 48 kHz On chip USB Interface with an 12Mbps full- speed transceiver: On chip clock generator with single 12MHz clock source Digital Attenuator: 0 to ¡V 63 dB, 1 dB/step Soft Mute Suspend Flag With SP , MIC , Line / in I/O Compatible with Win98 SE/ WinME / Win2000 / WinXP and MacOS 9.2.1 / MacOS10.1 without additional driver Full-duplex playback/ recording audio stream without sound card in PC