Universal Audio Apollo QUAD Silverface (MkI) 18x24 audio interface in clean cosmetic condition and 100% working order.  

Equipped with four onboard SHARC DSP chips (QUAD Core), giving you dedicated hardware processing power to track and mix with UAD-2 powered plug-ins in real time. Includes 4 digitally controlled analog mic preamps, 4 line inputs, 8 line outputs, dual independent headphone outs, dedicated monitor outs, S/PDIF, BNC Word Clock, and dual optical ADAT I/O.  

Connectivity & Specs:

 Interface Ports: Stock FireWire 800 ports (1394b).  

 Expansion Bay: Empty option slot with original blank cover plate intact. Ready to accept an official UA Thunderbolt 1, 2, or 3 option card if you choose to upgrade to Thunderbolt connectivity.  

 System Compatibility: Connects natively via FireWire 800. Fully compatible with legacy Mac/PC systems supporting FireWire, or modern machines if outfitted with a UA Thunderbolt expansion card. (Please verify your OS and hardware connection setup prior to purchase).  

 Condition: Clean front panel with bright LED metering. Knobs, switches, and jacks feel great and function as intended. Minor surface wear/rack marks on the top and mounting ears consistent with normal studio use.  

 Included: Apollo QUAD MkI interface and original external power supply/cable. (Rack enclosure and power conditioner shown in background photos are not included). 

Ships securely packaged and fully insured. Local pickup is also welcome. Please feel free to message with any questions!