AS-P4100 400 Watt 10-inch Subwoofer 400-watt, 10" active subwoofer takes little floor space while providing huge amounts of clean, distortion free bass response Front panel level control and two-color status LED for convenient operation Down-firing orientation allows for flexible room placement and highest possible efficiency 23 to 120 Hz frequency response; measures 9.4 x 16.7 x 14.2 inches (W x H x D); 1-year warranty