500 Watt Max Power63.5mm(2.5inch) voice coil70Hz to 2.5KHz frequency response94 dB 1W@1m sensitivityNeodymium magnet structure

400 Watt Max Power51.5mm (2 inch) voice coil75Hz to 3.5KHz frequency response96 dB 1W@1m sensitivityNeodymium magnet structure