3 Inch (77 mm) Square RoHS Waterproof Voice Range Speaker

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The RDC3WI Waterproof Voice Range Speaker is the perfect solution for uncompromised communication in any setting. Crafted with clarity in mind, this 3-inch square speaker is versatile enough to be used indoors and outdoors, making it ideal for systems such as intercoms or drive-thrus. Its four-hole mounting design makes installation effortless and quick, while the durable acrylic-treated cloth cone ensures longevity, making it a reliable choice for any weather conditions. The speaker is a testament to MISCO's commitment to providing clear and durable sound solutions, making it an excellent replacement or a new installation choice.

  • Versatile design for both indoor and outdoor use
  • Effortless installation with four-hole mounting design
  • Durable acrylic-treated cloth cone for longevity
  • Clear and reliable sound solution
  • Ideal for intercoms or drive-thrus

MISCO engineers use the world's most sophisticated loudspeaker measurement systems, including the Klippel Analyzer, to maximize and confirm the speaker's design and the Klippel QC module to ensure perfect unit-to-unit consistency and reliability. 


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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 / Indoor
Application Indoor, Military, Outdoor , Transit, Voice Communications
RoHS Compliant Yes
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
Resonant Frequency (Fs) (Hz) +/- 15% 357
Nominal Impedance (Z) (Ω) 8
Voice Coil Inductance (Le) (mH) 0.6
Mechanical Q Factor (Qms) 11.3
Electrical Q Factor (Qes) 2.62
Total Q Factor (Qts) 2.13
Basket Type Stamped steel
Terminal Size (mm) 4.8 x 0.5
Voice Coil Diameter (mm) 17.8
Voice Coil Wire Material Copper
Voice Coil Former Material Kapton, Polyimide film
Magnet Material Ferrite
Magnet Weight (g) 68
Cone Body Material Acrylic treated textile
Cone Surround Material Acrylic treated textile
Spider Material Phenolic treated textile
Dust Cap Material Treated felt