1000W Peak (350W RMS) 8" R-Series Dual 4-Ohm Car Subwoofer with MRV-M500 Monoblock Amplifier and BAK42 Amp Kit. 1000W Peak (350W RMS) 8" R2-Series Dual 4-ohm Car Subwoofer. Alpine R2-W8D4 2nd Gen with Amplifier and Belva Amp Kit.
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