8 Inch (203 mm) 4 Ohm, Outdoor Woofer

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Built to Order

Experience nature-infused audio excellence with our 8" outdoor woofer. Boasting a 4 ohm impedance, 40 watts power handling, and a a sensitivity rating of 92 dB SPL, this woofer delivers unmatched performance outdoors in environmentally concealed audio enclosures. Its polypropylene cone and Santoprene surround ensure durability, while the painted basket provides corrosion protection against dust and chemicals.

  • Woofer
  • 8" (203 mm) steel basket diameter
  • 40 watts, 4 ohm, 92 dB SPL
  • 1.5" copper voice coil, aluminum former
  • Polypropylene cone, Santoprene surround
  • High energy ferrite magnet

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More Information
Brand Name MISCO OEM
Speaker Type Woofer
Shape of Speaker Round
Size, Nominal (inch & mm) 8" (203 mm)
Environment Outdoor
Application Outdoor
RoHS Compliant No
Rated Impedance (Ω) 4
Rated Power IEC268-5 (W) 40 Watts
Program Power (W) 80
Sensitivity (dB SPL) ¹ 92
Frequency Range (Hz) 25 - 6,000
DC Resistance (Re) (Ω) 4
Resonant Frequency (Fs) (Hz) +/- 15% 32
Nominal Impedance (Z) (Ω) 4
Mechanical Q Factor (Qms) 4.63
Electrical Q Factor (Qes) 0.42
Total Q Factor (Qts) 0.39
Basket Type Blue painted steel
Terminal Size (mm) 5.2 x 0.5
Voice Coil Diameter (mm) 38.1
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Magnet Material Ferrite
Magnet Weight (g) 567
Cone Body Material Polypropylene
Cone Surround Material Santoprene
Dust Cap Material Polypropylene
Net Weight (kg) 2.29
Technical Notes

¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance