4" (100 mm) Flame Retardant, Voice Range Speaker

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This is an impressive high-level output voice range speaker. It has a small size but big power handling capability. Its flame retardant construction makes this speaker ideal for aircraft applications. 

  • Steel basket
  • 12 watts of program power
  • High sensitivity
  • Flame Retardant (FR) cone
  • High Energy (HE) ferrite magnet
  • Aluminum high-temperature voice coil

This is a universal fit 4-inch speaker; it is ideal for small enclosures and tight spaces. 

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More Information
Brand Name MISCO OEM
Speaker Type Voice
Shape of Speaker Square
Size, Nominal (inch & mm) 4"
Environment Indoor
Application Aerospace, Drive-Thru / Kiosk, Voice Communications
RoHS Compliant No
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 6 Watts
Program Power (W) 12
Sensitivity (dB SPL) ¹ 88
Frequency Range (Hz) 140 - 9,000
DC Resistance (Re) (Ω) 6.3
Resonant Frequency (Fs) (Hz) 267
Nominal Impedance (Z) (Ω) 8
Voice Coil Inductance (Le) (mH) 0
Mechanical Q Factor (Qms) 5.9
Electrical Q Factor (Qes) 3.72
Total Q Factor (Qts) 2.29
Basket Type Stamped Steel with zinc plating
Terminal Size (mm) 5.2 mm x 0.5 mm
Voice Coil Diameter (mm) 14.5
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Magnet Material Ferrite
Magnet Weight (gm) 68
Cone Body Material Flame Retardant Paper
Cone Surround Material Flame Retardant Paper
Spider Material Flame Retardant Cloth
Dust Cap Material Flame Retardant Paper
Net Weight (kg) 0.245
Technical Notes

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