- Driver Size: 8"
- Watts RMS: 200 - 500
- Voice Coil Diameter: 2.5"
- Impedance: D4
- Piston Diameter: 7"
- Fs: 33.65 Hz
- QMS: 4.051
- QES: 0.918
- QTS: 0.749
- Vas: 10.910 L
- X-Mech: 57 mm
- X-Max: 17 mm
- Frame OD: 9 1/16"
- Frame OD w/Gasket: 9 1/4"
- Mounting Diameter: 8"
- Mounting Depth: 6 7/16"
- Motor Diameter: 6 3/8"
- Motor Depth: 2 15/16"
- Woofer Displacement (CuFt): 0.08
- Sealed Enclosure (CuFt): 0.5 - 1.0
- Ported Enclosure (CuFt): 0.75 - 1.25
- Shipping Weight: 20 lb
DD Audio 2008 D4 HiDef ESP subwoofer
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