NHT (Now Hear This) SA-3 250W Mono Subwoofer Amplifier Vintage

NHT SA-1 90W 8 ohm 1 Channel Subwoofer Power Amplifier

SAE A105 100W Subwoofer Power Amplifier TESTED AND WORKING

RBH SAM-200 Subwoofer Amplifier 200 Watt Tested And Working

Cambridge Audio A1 V3.0 Stereo Integrated Amplifier Stereo AMP TESTED WORKING

Fosi Audio TP-02 Subwoofer Amplifier Mini Digital Sub Bass Integrated Amp 220W

Nobsound NS-03G SUB 100W Mini Power Amplifier for Passive Subwoofer Speaker

NHT Model SA-2 Sub-Woofer Amplifier. Powers On Untested