Kicker CompRT 10" 1-Ohm Subwoofer Kicker 43CWRT101 10" 800 Watt Dual Voice Coil 1-Ohm Car Audio Subwoofer True shallow-mount subwoofer great for compact cars or even motorcycle saddlebags Suitable for the trickiest installations Large-diameter, progressive-roll spider Inverted-bumped back plate and bumped top plate for full voice-coil clearance and excursion