4 Inch Piezoelectric, Wide Range Speaker

Brand Name
Oaktron by MISCO
Model #
MP-1103
Part #
93124
In stock
$89.99

The MP-1103 is an exceptional 4-inch Piezoelectric speaker renowned for its unparalleled performance in challenging environments. It is incredibly lightweight, making it the perfect choice for military use. The phenolic cone and plastic housing provide superior moisture resistance, ideal for high-humidity areas. Its piezoelectric driver is highly durable and can handle high power without the risk of burnout, making it excellent for use in MRI rooms due to its non-magnetic nature.

This speaker is a marvel of MISCO's innovation, engineered to be feather-light and powerful, delivering crystal clear voice and alarm applications without needing a voice coil or magnet. 

  • Unparalleled performance in demanding environments
  • Lightweight and tailored for military use
  • Superior moisture resistance
  • Durable piezoelectric driver, ideal for use in MRI rooms
  • Delivering clear voice and alarm applications without needing a voice coil or magnet

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. 

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More Information
Brand Name Oaktron by MISCO
Model # MP-1103
Size, Nominal (inch & mm) 4" (100 mm)
Shape of Speaker Round
Speaker Type Voice
Application Medical, Military, Outdoor , Signal / Alarm Systems, Voice Communications
Environment Outdoor / Indoor
RoHS Compliant No
Nominal Impedance (Z) (Ω) 1000
Rated Impedance (Ω) 1000
Frequency Range (Hz) 450 - 20,000
Sensitivity (dB SPL) ¹ 80
Resonant Frequency (Fs) (Hz) +/- 15% 500
Total Q Factor (Qts) 0.83
Basket Type Plastic
Terminal Size (mm) 5.2 x 0.5mm (0.205" x 0.02")
Voice Coil Winding Single Layer
Magnet Material Piezo Element
Cone Body Material Phenolic treated cloth - yellow
Cone Surround Material Phenolic treated cloth - yellow
Net Weight (kg) 0.032
Technical Notes

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