M Audio FireWire 410 interface with power supply | eBay
Amazon.com: Customer reviews: M-Audio AIR 192x14 - USB Audio Interface for Studio Recording with 8 In and 4 Out, MIDI Connectivity, and Software from MPC Beats and Aleton Live Lite
Analog Discovery 2: 100MS/s USB Oscilloscope, Logic Analyzer and Variable Power Supply: Amazon.com: Industrial & Scientific
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Amazon.com: M-Audio M-Track Solo – USB Audio Interface for Recording, Streaming and Podcasting with XLR, Line and DI Inputs, Plus a Software Suite Included : Musical Instruments
Amazon.com: M-Audio M-Track Hub | USB Monitoring Interface with Built-In 3-Port Hub (24-bit/48 kHz) : Electronics
Amazon.com: PK Power AC/DC Power Adapter for M-Audio Firewire 410 Mobile Power Supply Cord Charger : Musical Instruments