Alpine W12S4 | 750 Watt 12" Single 4-ohm Car Subwoofer + Amplifier and Amp Kit
Alpine W12S4 12" Bass Subwoofer with Amplifier and Belva Amp Kit. Alpine W12S4 12" Bass Subwoofer. 750W Max (250W RMS) 12" BassLine Series Single 4 ohm Car Subwoofer with MRV-M500 Monoblock Amplifier and BAK42 Amp Kit.