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

Brand Name
Part #
In stock

The MISCO 2-inch full-range OEM speaker is a testament to our commitment to audio excellence. This compact yet powerful driver is tailored for demanding applications, from the precise requirements of medical device alerts to the robust needs of aerospace communication. 

This speaker features a meticulously crafted paper cone and treated cloth surround, driven by a potent 1.8 Oz. Neodymium magnet, all encased in a solid steel basket. It is optimized for tight spaces, promising a dynamic audio experience across diverse frequency bands. With every unit rigorously tested for perfection, this speaker embodies MISCO's promise of reliability and superior performance.

  • Compact yet powerful speaker for demanding applications
  • Meticulously crafted paper cones and treated cloth surround
  • Driven by a potent 1.8 Oz. Neodymium magnet
  • Solid steel basket for durability
  • Optimized for tight spaces and diverse frequency bands
  • Rigorously tested for perfection and reliability

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. 

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 Medical
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) +/- 15% 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 (g) 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