M-Audio Interface, M-Track Quad: 4 Channel Audio Interface NO POWER SUPPLY | eBay
Alesis IO4 4 Ch USB Audio Interface with Cubase LE | PSSL ProSound and Stage Lighting
Tascam - UH-7000 - 4-CHANNEL USB AUDIO INTERFACE/MIC PREAMP WITH HDIA PREAMPS
Buy Depusheng U4 Audio Mixer 4-CHANNEL USB Audio Interface Audio Mixer, DJ Sound Controller Interface with USB,Soundcard for PC Recording,USB Audio Interface Audio Mixer,w/Dynamic Mic, for Live Streaming Online in Indonesia. B082NMBJSJ
Alesis MultiMix 4 USB FX 4-Channel Mixer w Effects & Audio Interface - Mile High DJ Supply
4 channel Multi-track USB interface for Court Reporters using Eclipse real-time software with 4 microphones included
Behringer U-Phoria UMC404HD 4-Channel USB Audio Interface. Features: A/D Resolution: 24-bit/192kHz - Simultaneous I/O: 4 x 4 - I… | Audio, Interface, Music gadgets