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

Brand Name
MISCO OEM
Part #
DC4S-FR
Built to Order
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THIS IS A "BUILT TO ORDER" PRODUCT 

Fire Retardant, High Output Voice / Communications speaker

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. 

Download Product Specifications (PDF) »

More Information
Brand Name MISCO OEM
Speaker Type Voice
Shape of Speaker Square
Size, Nominal (inch & mm) 4" (100 mm)
Environment Indoor
Application Aerospace, Kiosk, Transit, Voice Communications
RoHS Compliant No
PRIMARY SPECIFICATIONS
Rated impedance (Ω) 8
Rated Power IEC268-5 (W) 6 Watts
Power, Program (W) 12
Sensitivity (dB SPL) ¹ 88
Frequency range (Hz) 140 - 9000
SMALL SIGNAL PARAMETERS
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
MATERIAL DESCRIPTIONS
Basket type Stamped Steel with zinc plating
Terminal size 5.2 x 0.5mm (0.205" x 0.02" )
Voice coil diameter (mm) 14.5 (.57")
Voice coil wire material Copper
Voice coil former material Aluminum
Magnet Material Ferrite
Magnet weight (gm) 68 (2.4 ounces)
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