M-Audio M-Track Duo 2-Channel USB Audio Interface - Sound Productions
M-Audio M Audio M Track 2X2 | 2 In / 2 Out 24/192 USB Audio Interface MTRACK2X2 694318018859 | eBay
M Audio M Track 2X2 | 2 In / 2 Out 24/192 USB Audio Interface : Everything Else - Amazon.com
M Audio M Track 2X2 | 2 In / 2 Out 24/192 USB Audio Interface : Everything Else - Amazon.com
Amazon.com: M-Audio M-Track Duo – USB Audio Interface for Recording, Streaming and Podcasting with Dual XLR, Line & DI Inputs, plus a Software Suite Included : Musical Instruments