Universal Car Stereo Single 12" Alpine Bundle Type S S-W12D4 Bundle with Rearfire Sealed Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
ALPINE HDA-V90 Car Amplifier | 5-Channel Car Amplifier
Alpine HDA-M80 Status Series Mono Subwoofer Amplifier, 800 watts RMS a — Automotive Sound and Protection
Alpine S-A60M Mono Digital Subwoofer Amplifier - 600 Watts x 1 @ 2-Ohms & 330 Watts x 1 @ 4-Ohms - Used Very Good - Creative Audio