I want one each of these. ART 311 Stereo 2-Way Crossover with Sub Out (I think, but don't have a clue.), Crown D-75, CROWN D-150A SERIES II

ART 311 Stereo 2-Way Crossover with Sub Out 245-862

Crown D-75 amplifier fully tested | eBay

CROWN D-150A SERIES II POWER AMPLIFIER-Nice condition // Great sound! | eBay