Delta Pro-12A Professional Series 12-inch 400-watt Replacement Speaker - 8 ohm - Sweetwater
Customer Reviews: Infinity Kappa 800W Kappa Series 8" subwoofer with selectable 2- or 4-ohm impedance at Crutchfield
Kappa Pro-15LF v2 Professional Series 15-inch 600-watt Low Frequency Replacement Speaker - 8 ohm - Sweetwater
Amazon.com: Alphasonik 18" Flagship Series 3000 Watts Raw Sub Woofer Speaker Cast Aluminum Basket Driver for Pro Audio PA DJ Cabinets Subwoofer with High Handling Power Extremely Clear and Loud - FW1832 :
Infinity Kappa K600 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms at Crutchfield
Infinity Kappa K600 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms at Crutchfield
Kappa-15LFA American Standard Series 15-inch 600-watt Low Frequency Replacement Speaker - 8 ohm - Sweetwater
MTX Thunder801D 400W x 1 mono subwoofer amplifier at Crutchfield