1.1 Inch (28 mm) 8 Ohm Voice Range Speaker

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Built to Order

The 28RN08M-1 is a specialty speaker for outdoor or indoor applications. This speaker was designed for high-performance, clear speech. The single-piece mylar cone makes a great water and dust barrier for IP 65 applications. Ideal for small, very thin, handheld communication devices for outdoor use. It also performs well for reproducing alarm tones for medical equipment such as ventilators.

  • Voice range speaker
  • 1 inch (28 mm) steel basket diameter
  • 5 watts, 8 ohm, 80 dB SPL
  • 0.5 inch copper voice coil, paper former
  • Neodymium magnet, mylar cone
  • RoHS compliant

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More Information
Brand Name MISCO OEM
Speaker Type Voice
Shape of Speaker Round
Size, Nominal (inch & mm) 1" (25 mm)
Environment Outdoor / Indoor
Application Indoor, Medical, Outdoor , Signal / Alarm Systems, Voice Communications
RoHS Compliant Yes
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 8 Watts
Program Power (W) 0.5
Sensitivity (dB SPL) ¹ 86
Frequency Range (Hz) 650 - 6,000
DC Resistance (Re) (Ω) 8
Resonant Frequency (Fs) (Hz) +/- 15% 650
Nominal Impedance (Z) (Ω) 8
Basket Type Stamped steel
Terminal Size (mm) Solder Tabs
Voice Coil Wire Material Copper
Voice Coil Former Material Paper
Magnet Material Ferrite
Cone Body Material Mylar
Cone Surround Material Mylar
Net Weight (kg) 0.07