Helix Amplify 201 X-Over Subwoofer Amplifier with Crossover Mono Sub Amp 750w

Helix Amplify 201 X-Over Subwoofer Amplifier with Crossover Mono Sub Amp 750w HELIX AMPLIFY 201 X-OVER - AC20120 Very compact 1-channel subwoofer amplifier with crossover and 1 Ohm stability HELIX AMPLIFY – Power.

eBay