Concerto Router Analog Audio 32x32 I/O board P/N:671-6370-71C, expandable to max. 64x64
This board provides true stereo audio processing and broadcast-quality
performance with differential, high-impedance bridging inputs and low-impedance
outputs.
The board also includes A/D conversion, so any source that is processed
through a stereo analog audio board can be switched to a digital output
without the use of tie lines or external A/D conversion