2.5" (66 mm) 8 Ohm Voice Range Speaker

Part #
RDC22WI
Built to Order
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A specialized, all-weather replacement speaker for your voice applications! The RDC22WI-45 is an ideal speaker for communication systems. It sports an acrylic treated cloth cone that prevents moisture absorption from rain and high humidity.

  • Voice Range Driver
  • 2.5” (64 mm) Diameter
  • 4 Watts, 8 Ohms
  • Acrylic Treated Cloth Cone
  • 88 dB SPL
  • RoHS Compliant

Download Product Specifications (PDF) »

More Information
Height 1.2000
Width 2.5000
Length 2.5000
Speaker Type Voice
Shape of Speaker Square
Environment Outdoor
Application Voice Communications
RoHS Compliant Yes
Rated impedance (Ω) 8
Rated Power IEC268-5 (W) 4 Watts
Power, Program (W) 8
Sensitivity (dB SPL) ¹ 88
Frequency range (Hz) 350 - 4.5k
DC resistance (Re) (Ω) 8
Resonant Frequency (Fs) (Hz) 480
Nominal Impedance (Z) (Ω) 8
Total Q factor (Qts) 3.27
Basket type Stamped Steel
Terminal size 4.7 x 0.5
Voice coil diameter (mm) 14.5288
Voice coil wire material High Temperature Copper
Voice coil former material Aluminum
Magnet Material Ferrite
Magnet weight (gm) 68.04
Cone body material Acrylic Treated Cloth
Cone surround material Acrylic Treated Cloth
Spider Material Cotton
Dust cap material Felt
Net weight (kg) 0.2
Technical Notes

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