Alpine SWS-15D4 15" Dual 4-Ohm 500W RMS Type-S Car
Alpine MRP-M500 Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms at Crutchfield
Alpine 500-watt Dual 12" Bass Package Package includes MRP-M500 amp, two SWE-1243 12" subs, and Sound Ordnance enclosure at Crutchfield
Alpine 500-Watt Bass Package Includes two Alpine BassLine™ 10" subwoofers, Alpine MRV-M500 amplifier, and Sound Ordnance Bass Bunker enclosure at Crutchfield
ALPINE Car Stereo CD/USB Receiver w/ Advanced Bluetooth W/ Alpine 500 Watt RMS Mono Amplifier Class D Digital Car Amp+ 10" 1500 Watt Dual 4-Ohm Car Audio Subwoofer - Walmart.com
Alpine SWE-1043E 10" 500W Subwoofer [Alpine SWE-1043E] - £74.99 : Car Audio 4 Less, Car Audio System
Alpine 500 Watt RMS Class "D" Mono Car Amplifier + JL AUDIO 10" 600W 4 OHM W1 V3 CAR STEREO BASS SUB WOOFER+ AMP KIT - Walmart.com
2 Alpine W12S4 12" 500w RMS Car Subwoofers+Vented Sub Box+Mono Amplifier+Amp Kit