New ASUS Xonar U7 MKII 7.1 USB DAC with Headphone Amplifier

Xonar U7 MKII 7.1 USB DAC with Headphone AmplifierTrue 7.1-channel, 192kHz/24-bit HD surround sound with a 114dB SNR from a compact, USB-powered deviceIntegrated headphone amplifier boosts sound and reveals musical detailsDedicated headphone and mic volume controls enable instant audio adjustments for better gaming and media streaming experiencesClickable volume control knob for convenient switching between headphone and speaker outputSonic Studio software suite with intuitive, single-screen interface and Sonic Radar Pro for mapping opponent locations in first-person shootersAudio InterfaceUSB 2.0 high-speed/ USB 1.0 for playbackAudio PerformanceOutput Signal-to-Noise Ratio (A-Weighted):114 dBInput Signal-to-Noise Ratio (A-Weighted) :110 dBOutput THD+N at 1kHz (Front-out) :>0.0006 %(104 dB)Frequency Response (-3dB, 24bit/96KHz input) :10 Hz to 46 KHzOutput/Input Full-Scale Voltage :Line output (RCA, 3.5) : 1 Vrms (2.828 Vp-p)Headphone output : 1.3 Vrms (3.677 Vp-p)ChipsetAudio Processor :C-Media USB2.0 6632AX High-Definition Sound Processor (Max. 192KHz/24bit)Digital-to-analog Converter(DAC)Cirrus Logic CS4398Cirrus Logic CS4362Sample Rate and ResolutionAnalog Playback Sample Rate and Resolution :44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bitAnalog Recording Sample Rate and Resolution :44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bitS/PDIF Digital Output :44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bitConnectivityAnalog Output 4 x 3.5 mm jack (1/8") (Headphone out /Side out/Center-Subwoofer out/Rear out)2 x RCA (Un-Balanced) Analog Input 1 x 3.5 mm jack (1/8") (Line-in/ Mic-in combo)Digital1 x S/PDIF out (1 x Coaxial)Special FeaturesSonic StudioOperating SystemWindows® 10 86x64Windows® 8.1 86x64 Windows® 7 86x64 Mac OS XAccessoriesS/PDIF adapter x 1Quick start guide x 1USB cable x 1Dimensions130 x 80 x 25 mm ( L x W x H )NoteXonar U7 MKII playback under OS X without any driver needed, just switch to USB Audio 2.0 on a Mac.