Alpine 500-Watt Bass Package Includes two Alpine BassLine™ 10" subwoofers, Alpine MRV-M500 amplifier, and Sound Ordnance Bass Bunker enclosure at Crutchfield
Universal Car Stereo Hatchback Sealed Dual 10" Alpine Bundle Type S S-W10D2 Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
Alpine KTA-200M Mono Power Pack Amp with Alpine SWT-12S4 12" Loaded Tube Subwoofer and Bass Knob - Creative Audio