Dual Electronics SBX100 10 inch Studio Quality High Performance Vented Enclosed Subwoofer with 500 Watts of Peak Power INCREASED OUTPUT CAPABILITY  specialized tuned vent with computer aided design and 2 Voice Coils vastly increases output efficiency for your subwoofer providing you with consistent low sounding bass DIGITALLY OPTIMIZED SUBWOOFER  is carefully crafted for efficient and accurate bass, providing power handling up to 500 Watts of peak power, 175 Watts of RMS at a 4 Ohm impedance and Frequency Range between 20Hz  200Hz for unrivaled sound superiority ADVANCED TEMPERATURE CONTROL SYSTEM  in order to make sure that you would be able to have continuous high performance studio quality sound we added a 2 inch Kapton and 4 layer voice coil which prevents the unit from over heating SOUND FIBERBOARD CONSTRUCTION  and top grade in-line carpet eliminate the vast majority of enclosure movement for streamlined sound quality via your 10 inch subwoofer for unmatched sound superiority on the road 1 YEAR WARRANTY  guaranteed high quality and reliability with hassle-free parts and labor warranty with excellent customer service DIMENSIONS  16.54 W X 9.84 D X 12.8 H