EDGE EDB10D2 Subwoofer Subwoofer Size: 10" (274mm) RMS Power: 500 watts Peak Power: 1000 watts Sensitivity: 84dB Frequency Response: 30Hz - 1kHz Impedance: Dual 2 Ohms Voice Coil: 2" 4 Layer Recommended Amplifier: EDB500.1-E9