2" (50 mm) 4 Ohm, Full Range Speaker

Brand Name
MISCO OEM
Part #
50RN04-1
In stock
$29.78
  • MSRP$44.99
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A full range OEM speaker designed for a various applications including signals and alarms in medical devices as well as voice and signaling for aerospace cabins. This 2" driver delivers sound via a paper cone and treated cloth surround, and is powered by a 1.8 Oz. neodymium magnet in a steel basket--a lightweight solution for tight-fitting enclosures that requires sound from a variety of frequency bands.

  • Full range speaker
  • 2" (50 mm) steel basket diameter
  • 5 watts, 4 ohm, 86 dB SPL
  • 0.6" copper voice coil, paper former
  • 1.8 Oz. neodymium magnet
  • Paper cone, pre-treated black cloth surround

Download Product Specifications (PDF) »

More Information
Brand Name MISCO OEM
Speaker Type Full Range
Shape of Speaker Round
Size, Nominal (inch & mm) 2" (50 mm)
Environment Indoor
Application Aerospace, Medical, Signal / Alarm Systems
RoHS Compliant Yes
Rated Impedance (Ω) 4
Rated Power IEC268-5 (W) 5 Watts
Program Power (W) 10
Sensitivity (dB SPL) ¹ 86
Frequency Range (Hz) 220 - 20,000
DC Resistance (Re) (Ω) 3.6
Resonant Frequency (Fs) (Hz) 220
Nominal Impedance (Z) (Ω) 4
Mechanical Q Factor (Qms) 3.5
Electrical Q Factor (Qes) 2.1
Total Q Factor (Qts) 1.30
Basket Type Stamped steel
Terminal Size (mm) 2.8 x 0.5
Voice Coil Diameter (mm) 15.2
Voice Coil Wire Material Copper
Voice Coil Former Material Paper
Magnet Material Neodymium
Magnet Weight (gm) 50
Cone Body Material Paper
Cone Surround Material Pre-treated black cloth
Dust Cap Material Paper
Net Weight (kg) 0.04
Technical Notes

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