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

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A wide range speaker assembly built for outdoor transit systems, voice communications, and signal/alarm outputs. This model includes a 4" speaker with a 4.8 Oz ferrite magnet, a 0.75" aluminum voice coil, a textile cone with an acrylic treatment for increased moisture resistance, a pre-mounted aluminum grill for added environmental protection, and a 5" lead set of insulated Faston male terminals for easy installation.

  • Wide range speaker
  • 4" (100 mm) steel basket diameter
  • 10 watts, 8 ohm, 94 dB SPL
  • 3/4" aluminum voice coil, Kapton former
  • 4.8 Oz magnet, environmental-resistant cone treatment
  • 5" Faston connector lead set (male), 18 AWG 
  • 6.5" x 4.7" aluminum grill

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More Information
Brand Name MISCO OEM
Speaker Type Voice
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 94
Frequency Range (Hz) 300 - 5000
DC Resistance (Re) (Ω) 6.4
Resonant Frequency (Fs) (Hz) 685
Nominal Impedance (Z) (Ω) 8
Mechanical Q Factor (Qms) 9.99
Electrical Q Factor (Qes) 5.96
Total Q Factor (Qts) 3.73
Basket Type Stamped steel
Terminal Size (mm) 4.8 x 0.5
Voice Coil Diameter (mm) 19
Voice Coil Wire Material Copper clad aluminum
Voice Coil Former Material Kapton
Magnet Material Ferrite
Cone Body Material Acrylic treated textile
Cone Surround Material Acrylic treated textile
Dust Cap Material Acrylic treated textile
Lead Length (mm) 140
Net Weight (kg) 0.53
Technical Notes

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