Encore Electronics ENMAB-8CM 7.1-Channel USB Audio Box 2 Microphone Inputs 7.1/5.1/2.1 Channel Surround Output Simplest Way to Add Surround Audio to Netbooks and Laptops Simplest Way to Add Digital Audio Input/Output Enhanced Music, Movie and Gaming Experience Support 48/44.1 KHz sampling rate for both playback and recording Interface: USB 2.0, backward compatible with USB 1.x Sample Rate: 48 / 44.1 KHz for recording and playback Input: 2x Microphone, 1x Line-in, 1x S/PDIF-in (digital) Surround Audio Output: 7.1 / 5.1 / 2.1 channel