3" (77 mm) Waterproof Voice Range Speaker

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Choose the DC3WI for an ideal driver for outdoor intercoms and other heavy-duty sound applications. A large ferrite magnet creates high sensitivity output for loud and clear voice communications. Teardrop terminals allow easy soldering and hook-up to your wire harness as well. A complete waterproof treatment helps withstand harsh, outdoor environments.  

  • Voice range speaker
  • 3" (77 mm) basket diameter
  • 6 watts, 8 ohms, 87 dB SPL 
  • 0.7" copper voice coil, Kapton former
  • Ferrite magnet, stamped steel basket
  • Acrylic treated cloth cone & surround

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More Information
Brand Name MISCO OEM
Speaker Type Voice
Shape of Speaker Square
Size, Nominal (inch & mm) 3" (77 mm)
Environment Outdoor
Application Drive-Thru / Kiosk, Outdoor , Voice Communications
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 4 Watts
Program Power (W) 8
Sensitivity (dB SPL) ¹ 87
Frequency Range (Hz) 300 - 7,000
DC Resistance (Re) (Ω) 6.0
Resonant Frequency (Fs) (Hz) 340
Nominal Impedance (Z) (Ω) 8
Mechanical Q Factor (Qms) 11.30
Electrical Q Factor (Qes) 2.62
Total Q Factor (Qts) 2.13
Basket Type Stamped steel with zinc plating
Terminal Size (mm) 4.7 x 0.5
Voice Coil Diameter (mm) 17.8
Voice Coil Wire Material Copper
Voice Coil Former Material Kapton
Magnet Material Ferrite
Magnet Weight (gm) 68.04
Cone Body Material Acrylic treated cloth
Cone Surround Material Acrylic treated cloth
Dust Cap Material Felt
Net Weight (kg) 0.22
Technical Notes

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