Add an SPDIF digital audio output and standard 3.5mm audio/microphone connections to your system through USBThe ICUSBAUDIO2D External USB Sound Card lets you add an S/PDIF digital audio output and standard 3.5mm analog audio/microphone connections to your system through USB - a convenient way to bypass or replace an internal sound card without having to open the computer case.For home-theater quality sound, the USB DAC (digital-to-analog converter) offers 96KHz / 24-bit sampling rates for both playback and recording, and a 3.5mm S/PDIF port with support for Dolby® Digital 5.1 surround sound (AC3) and DTS® pass-through (Note: 5.1 surround sound is supported in Windows® only).This versatile USB audio adapter features an integrated 3.5mm 4-position TRRS connection for your headphones or combination headset/microphone. Also a convenient external volume control for quick adjustments, a hardware EQ switch for Bass or Treble boosting, and an LED status bar to display the current sampling rate.Please note that the microphone input is stereo only.Backed by a StarTech.com 2-year warranty and free lifetime technical support.The StarTech.com Advantage

StarTech.com ICUSBAUDIO2D. Audio output channels: 5.1 channels, Audio quality: 24 bit, Line-out Signal-to-Noise Ratio (SNR): 91 dB. Host interface: USB. Cable length: 16" (0.406 m), Chipset: C-Media CM6533, Product color: Black. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Mac operating systems supported: Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion. Weight: 1.16 oz (33 g), Width: 1.81" (46 mm), Depth: 1.85" (47 mm)