This is a used Avid HDIO 16x16 audio interface.
The Avid HD I/O 16x16 Analogue is a 2U rack-mounted high quality customisable AD/DA converter with very low latency. Fitted with 16 top-quality analogue I/Os the Avid HD I/O 16x16 Analogue gives you full flexibility for both recording and mixing possibilities.
This Avid HDIO 16x16 is in excellent condition.