Triad RackAmp 700 DSP Subwoofer Amplifier

Triad Standalone 300 Rack Home Theater Subwoofer Amp w/Rack Ears- Fully Tested

Triad 250W Rack AMP Subwoofer Amplifier - Black - SHOWN WORKING

(Outlet/Refurbished) Soundavo PSB-300 Subwoofer Amplifier

TRIAD RACK AMP 350 DSP v2 SUBWOOFER AMPLIFIER 8205 For P/R

Rotel RB-976 6 Channel Power Amplifier / Tested And Working

Fosgate Audionics FAP T 1+ AV Surround Preamplifier Control Amp Processor PREAMP

Angstrom 200 Home Entertainment Director Preamp