4" (100 mm) Wide Range Speaker w/ Aluminum Grill

Brand Name
MISCO OEM
Part #
Z9721
In stock
$49.90
  • MSRP$74.99
  • Buy 1 - 9$49.90
  • Buy 10 - 19 $30.00
  • Buy 20 - 25 $20.87
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A wide range speaker assembly designed to provide sound for a variety of applications, including outdoor transit, voice communication, and signal and alarm audio systems. This model includes a 4" speaker with an aluminum frame, a 4.8 Oz ferrite magnet, a 0.75" copper voice coil, a weather treated cone, a set of dual lug terminals for easy system wiring modding and custom setups, and a pre-mounted aluminum grill for added protection against moisture and wind.

  • Wide range speaker
  • 4" (100 mm) aluminum basket diameter
  • 10 watts, 8 ohm, 92 dB SPL
  • 0.75" copper voice coil, aluminum former
  • 4.8 Oz magnet, environmental-resistant cone treatment
  • Dual lug terminals
  • 6.5" x 4.7" aluminum grill

Download Product Specifications (PDF) »

More Information
Brand Name MISCO OEM
Speaker Type Wide Range
Shape of Speaker Round
Size, Nominal (inch & mm) 4" (100 mm)
Environment Outdoor
Application Outdoor , Signal / Alarm Systems, Transit, Voice Communications
RoHS Compliant No
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 10 Watts
Program Power (W) 20
Sensitivity (dB SPL) ¹ 92
Frequency Range (Hz) 130 - 10000
Resonant Frequency (Fs) (Hz) 300
Basket Type Aluminum
Terminal Size (mm) 4.8 x 0.5
Voice Coil Diameter (mm) 19
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Magnet Material Ferrite
Magnet Weight (gm) 136.08
Cone Body Material Acrylic treated textile
Cone Surround Material Acrylic treated textile
Dust Cap Material Acrylic treated textile
Net Weight (kg) 0.51
Technical Notes

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