Amazon.com: Tascam US-4x4HR 4 Mic 4IN/4OUT High Resolution Versatile USB Audio Interface for Recording, Streaming, Podcasting, Songwriting : Everything Else
M-Audio AIR 192|4 USB Audio Interface | Sweetwater
Amazon.com: USB Audio Interface with XLR cable,Audio Interface with Mic Preamplifier Audio mixer recorder with 48V Phantom Power, 24 Bit, Support Computer and Equipment Recording ((NO Software or DAW included)) : Musical