96KHz / 24-bit Hi-Fi USB Audio S/PDIF digital output with AC3 (Dolby Digital) and DTS pass-through support 5.1 Surround Sound supported (Windows® only) 4 position TRRS headset with Mic supported 3.5mm headphone/microphone ports Hardware volume knob and Bass/Treble boost EQ switch LED sample rate indicators 16in attached USB cable The 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. Connect your computer to a home theater audio receiver through S/PDIF, without opening the case Add digital audio support to an Ultrabook™ or small form factor system with no internal expansion options Replace or upgrade the integrated audio on a laptop or portable computer Add home-theater surround sound support with the integrated digital S/PDIF output Replace an internal sound card easily with a compact external USB device Adjust sound output easily with external volume and EQ controls Specifications Warranty Information Warranty 2 Years Connector(s) 1 - Connector Type(s) 3.5mm Mini-Toslink (SPDIF, Optical) 3.5 mm Mini-Jack (4 Position) 3.5 mm Mini-Jack (3 Position) USB Type-A (4 pin) USB 2.0 Environmental Operating Temperature 0°C to 60°C (32°F to 140°F) Storage Temperature 0°C to 70°C (32°F to 158°F) Humidity 10~90% RH (Non-Condensing) Hardware Bus Type USB 2.0 Chipset ID Cmedia CM6533 Indicators 1 - LED Indicators Power 3 - LED Indicators Playback / Recording sample rate Packaging Information Package Height 1.3 in [32 mm] Package Length 5.6 in [14.3 cm] Shipping (Package) Weight 3.7 oz [106 g] Package Width 6.8 in [17.3 cm] Performance Audio Specifications 96 KHz / 24-bit Sample Rate Approx 91dB SNR (A-weighting) 16-100ohm Headphone Drive Ability Physical Characteristics Weight of Product 1.2 oz [33 g] Color Black Material Plastic Cable Length 16.0 in [406.5 mm] Product Length 1.9 in [47 mm] Product Width 1.8 in [46 mm] Product Height 0.6 in [1.6 cm] Power Power Source USB-Powered Software OS Compatibility Windows® XP, Vista, 7, 8, 8.1, 10, 11 Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019 Mac OS X® 10.6 to 10.8 Note: DTS pass-through is supported in Windows 8, 8.1, and 10 only Special Notes / Requirements System and Cable Requirements Available USB Port Note 5.1 surround sound output is supported in Windows only Microphone is stereo only. What's in the Box 1 - Included in Package USB Stereo Audio Adapter Software CD Instruction Manual See moreAdjust sound output easily with external volume and EQ controls. Replace an internal sound card easily with a compact external USB device. Add home-theater surround sound support with the integrated digital S/PDIF output. MULTI-USE SOUND CARD: This digital audio adapter with SPDIF can be used in a variety of applications, including home-theater surround sound support. SOUND CARD REPLACEMENT: This USB stereo audio adapter lets you replace an internal sound card on your laptop or PC with a small, compact device. EXTERNAL FEATURES: Use this USB external sound card audio adapter to easily adjust the sound output with its external volume and EQ controls. SPDIF OUTPUT: This external USB sound card is equipped with SPDIF digital output with AC3 (Dolby Digital) and DTS pass-through support.