Audiofrog Audiofrog GS Series 8" Dual 2 Ohm Mobile Subwoofer

* Sealed Box Subwoofer or Midbass: 7-11l ( 0.25-0.4 cu. Ft.) * Vented Box Subwoofer: 15-21l (0.5-0.75 cu.ft.) * Infinite Baffle Subwoofer: With 29Hz 12dB/oct. high pass filter * Infinite Baffle Midbass: With appropriate high pass filter * Power Handling (Continuous Average): 250 Watts * Power Handling (Music): 500 Watts * Recommended Amplifier RMS Power Range: 100 Watts to 400 Watts * Nominal Impedance: 1Ω or 4Ω * Sensitivity (2.83V/1M): 91dB * Frequency Response (-3 dB): 30Hz - 300Hz * Xmax (Linear 1-Way): 10mm * Fiberglass Cone: Remains rigid through useable frequency range * Neodymium Magnet: Reduces mounting depth and weight * Vented Polepiece and Magnetic Gap: Reduces mechanical noise * Flat Spider: Reduces distortion * Copper Shorting Ring: Reduces distortion and improves midbass * Mounting Height: 3-1/16" * Mounting Depth: 7/16" * Overall Diameter: 8-3/16" * Cut-Out Diameter: 7" * Bolt Hole Circle Diameter: 7-3/4" * Basket Displacement: 0.017 cu. ft. * Shipping: 10 lbs