10'' High Quality Poly Mica Cone - Power Handling: 500Watts RMS/1000 Watts Peak - Overall Diameter: 10.6''.Butyl Foam Surround - Frequency Response: 30 Hz - 2.2K Hz - Mounting Depth: 3.08''.Dual 2'' High Temperature Kapton Voice Coil - Impedance (Per coil) : 4 Ohm - Includes Installation Template.Independently Fused 20 Amp Speaker Terminals - Fs:31.7, Qms:4.07, Qes:0.46, Qts:0.41, Vas (L)49.69.60 Oz Magnet Structure - Efficiency: 90 dB This Pyle Chopper subwoofer is great when you need beastly bass in a slim package. With a 3” mounting depth, these speakers even fit in the tightest spots. The 10”, 1000-watt dual voice coil subwoofer is equipped with a high quality poly mica cone and butyl foam surround for a clean, distortion-free low-end. The dual 2” high temperature voice coils add extra punch, delivering a frequency response of 30 Hz to 2.2 kHz. The independently fused 20 amp speaker terminals provide a secure connection to wire up your system. Includes installation template.