I need recommendations for a single 12" sub that will have good sound quality and not be to expensive. I'd like to stay below $100. This will be for a ported enclosure and be ran off a Kicker CX300.1 amp.Kicker 12CX300.1 Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms at Crutchfield.com