Built with a responsive fiberglass cone and redesigned dust cap, these subwoofers reproduce low frequencies with remarkable clarity and tightness. The advanced dust cap design works with the pole vent system to keep your subwoofer cool and reliable during extended listening sessions. Robust push terminals ensure secure, dependable connections every time. Choose from 8" or 10" sizes in Dual 2 ohm or Dual 4 ohm impedances to match your audio setup perfectly. T/S Parameters SW8C Fs (Hz) 49.8 Qms 5.13 Qes 0.6 Qts 0.54 Vas (Litres) 13.53 Xmax (mm) 9 SPL 1W/m (db) 86.34 Continuous Power (W) 300 Re (Ω) 4.06 Le (mH) 1.22 BL 15.46 Physical Specifications SW8C Overall Diameter (inches) 8.46 Mounting Diameter (inches) 7.24 Mounting Depth (inches) 5.08 Displacement 0.03 ft3 Cone Material Fiberglass Dust Cap Fiberglass Frequency Range (Hz) 35-100 Voice Coil Diameter 2” Net Weight (lbs) 11