StarTech.com 7.1 USB Audio Adapter External Sound Card - Turn your laptop or desktop computer into a 7.1-channel home theater-ready sound system - USB Sound Card - USB External Sound Card - Laptop Sound Card - USB Sound Adapter - USB 7.1

Dual microphone input Built-in volume control buttons Full 7.1 audio outputs via 3.5mm mini-jacks Optical S/PDIF input (pass through) and output Supports 44.1 and 48 KHz sampling rates for analog playback and recording or 48 KHz for SPDIF Full-duplex recording and playback