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

Audio
Internal	N
Audio output channels	5.1 channels
Audio quality	24 bit
Line-out Signal-to-Noise Ratio (SNR)	91 dB
Ports & interfaces
Host interface	USB
Headphone outputs	1
Digital audio optical out	1
Microphone in	Y
Weight & dimensions
Weight	33 g
Width	46 mm
Depth	47 mm
Height	16 mm
Package width	173 mm
Package depth	143 mm
Package height	32 mm
Package weight	106 g
Operational conditions
Operating temperature (T-T)	0 - 60 °C
Storage temperature (T-T)	0 - 70 °C
Operating relative humidity (H-H)	10 - 90%
Software
Windows operating systems supported	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Mac compatibility	Y
Mac operating systems supported	Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Other features
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Quick start guide	Y
Housing material	Plastic
Audio system maximum sampling rate	96 kHz
Features
LED indicators	Y
Cable length	0.4065 m
Chipset	C-Media CM6533
USB powered	Y
Product colour	Black
Logistics data
Harmonized System (HS) code	84733020
Master (outer) case width	405 mm
Master (outer) case length	470 mm
Master (outer) case height	277 mm
Products per master (outer) case	50 pc(s)