Bazooka BTA10100 BT Series 10-Inch 100-Watt Amplified Tube Subwoofer 10" Woofer With Treated Foam Surround power Output 100 Watts Max85 Hz Low-Pass Filter (18 Db/Octave) Line- And Speaker-Level Inputs frequency Response 39-85 Hz Subsonic Filter (12 Db/Octave At 35 Hz) For Improved Amp Efficiency sensitivity 107 Db20-7/8"L X 10-3/8"W X 12-1/4"H2-Ohm Impedance 10-inch bass tube with on-board 100-Watt, 2-channel amplifier Ten-inch, dual voice coil subwoofer Corner-loading optimization provides maximum bass performance Includes straps for secure mounting One-year limited warranty