Cadence Acoustics XBP121 Single 12-Inch 600 Watt Passive Subwoofer Enclosure Single 12" Passive XBP Loaded Enclosure Series Power Handling: Peak: 600 watts / RMS: 300 watts 12" Non-amplified loaded enclosure Orange Chrome Electroluminescent Cone System Impedance: 2-Ohm Cadence XBP121 single 12" passive subwoofer enclosure Power Handling: 300W RMS/600W Peak Frequency Response: 35Hz - 500Hz Sensitivity: 90dB @ 1w/1m SPL Dimensions (W x D x H): 22" x 12" x 15"