Add an SPDIF digital audio output & standard 3.5mm audio/microphone connections to your system through USB (Universal Serial Bus). The ICUSBAUDIO2D External USB (Universal Serial Bus) Sound Card lets you add an S/PDIF digital audio output & standard 3.5mm analog audio/microphone connections to your system through USB (Universal Serial Bus)
- 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 (Universal Serial Bus) DAC (digital-to-analog converter) offers 96 K Hz / 24-bit sampling rates for both playback & recording, & a 3.5mm S/PDIF port with support for Dolby Digital 5.1 surround sound (AC3) & DTS pass-through (5.1 surround sound is supported in Windows only). This versatile USB (Universal Serial Bus) 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, & an LED status bar to display the current sampling rate.