Package Allows 46 input choices (16 total) both digital and analogue and either 16 zones of distributed DSP corrected audio or two 5.1 theatre zones and 10 zones of stereo audio plus 12V triggers multiple subwoofer options and RS232 and IP control.

Read more:

ProAmp8 - https://www.pulse-eight.com/p/219/proamp-8

ProAudio16 - https://www.pulse-eight.com/p/210/proaudio-16

Total rack size = 6U.