Kicker 40TCWS104 10" 600W Car Loaded Subwoofer + Box + 850W Amplifier + Amp Kit New Kicker 40TCWS104 10" 600 Watt Car/Truck Loaded Subwoofer with Box 600 Watt Max 300 Watt RMS Factory tuned, great value CompS subwoofers and enclosures Ready made KICKER bass that installs in minutes