OSD Audio MX1680 Multi-Zone Digital Amplifier 8-Zone 16-Channel Rack Mount

Rotel RSP-1066 Surround Sound Processor - Silver - Pre-Amp Home Theater + Tested

8 Zone Home Amplifier 80W/Ch, Front Panel On/Off, Class D, Multi-Room Audio

8-Channel Multizone Amplifier 80W/Ch, Front On/Off Switches, 4 Zones, Bridgeable

OSD MX1280 12-Channel / 6-Zone Amplifier (Gen-1) TESTED w/ all channels working

Nakamichi PA-5 Stasis Stereo Power Amplifier - Nelson Pass

Classic Nelson Pass Adcom GFA-5400 Power Amp in Perfect Working Condition!

Crestron C2N-AMP-6X100 Amplifier - 6 Room Audio System Tested Working