3" (76 mm), 45 Ohm Voice Range Speaker

Part #
DC3WP-45
Built to Order
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A 3” all-weather replacement speaker for your voice applications! The DC3WP-45 is an ideal speaker for communication systems in need of a 45 ohm driver. It sports an acrylic treated cloth cone that prevents moisture absorption from rain and high humidity.

  • Voice Range Driver
  • 3” (77 mm) Diameter
  • 6 Watts, 45 Ohms
  • -67°F (-55°C) to +185°F (+85°C)
  • Acrylic Treated Cloth Cone
  • 87 dB SPL

Download Product Specifications (PDF) »

More Information
Height 1.2000
Width 3.0000
Length 3.0000
Speaker Type Voice
Shape of Speaker Square
Size, Nominal (inch & mm) 3" (76 mm)
Environment Outdoor
Application Voice Communications
RoHS Compliant No
Rated impedance (Ω) 45
Rated Power IEC268-5 (W) 6 Watts
Power, Program (W) 12
Sensitivity (dB SPL) ¹ 87
Frequency range (Hz) 250 - 7k
Resonant Frequency (Fs) (Hz) 300
Nominal Impedance (Z) (Ω) 8
Total Q factor (Qts) 1.59
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) 0.215
Technical Notes

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