4) PLANET AUDIO AC10D 10" 6000W Power Car Audio Subwoofers Power Subs Woofers MAX Power Handling: 1500 Watts per sub (6000 Watts Total) RMS Power Handling: 750 Watts per sub (3000 Watts Total) Frequency Response: 23Hz - 3kHz Efficiency (1 Watt/1 Meter): 96 dB Voice Coil Diameter: 2"