Pair (2) Alpine W12S4 12" Single 4-ohm Car Subwoofer + Amplifier and Amp Kit
Alpine W12S4 Pair (2) 12" Bass Subwoofer with Amplifier and Belva Amp Kit. Alpine W12S4 12" Bass Subwoofer. 750W Max (250W RMS) (2) 12" BassLine Series Single 4 ohm Car Subwoofer with MRV-M500 Monoblock Amplifier and BAK42 Amp Kit.