The front window is made out of plexi glass and the subwoofers have a silver polypropylene cone and 4 tuned ports. NEW BOSS R1100M 1100W Mono Car Audio Amplifier + BOSS 8 Gauge Amp Wiring Kit. The BOSS R1100M 1100 Watt Mono Car Audio Power Amplifier is the perfect amp to power your car audio system!
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