2400 Watt Max Power125mm(5inch) voice coil32Hz to 200Hz frequency response98.5 dB 1W@1m sensitivityNeodymium magnet structure Carbon Cone

4000 Watt Max Power150.6mm(6inch) voice coil30Hz to 200Hz frequency response99dB 1W@1m sensitivityNeodymium magnet structureCarbon Cone