2.25 Inch x 4 Inch (57 mm x 102 mm) Polypropylene Cone, Wide Range Speaker

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

This wide range midwoofer driver provides clear sound and robust bass in compact speaker systems. It features a lightweight, polypropylene cone with a high compliance, half-roll rubber surround impervious to water. This driver is idea for use in a wide variety of applications, including medical equipment audio, home theater systems, alarms and security, automobiles and motorcycles, drive-thrus, arcade speakers, and more.

  • Wide range speaker
  • 2.25" x 4" (57 mm x 102 mm) basket diameter
  • 10 watts, 6 ohms, 84 dB SPL
  • 0.8" aluminum voice coil, polyimide film 
  • Neodymium ring magnet, stamped steel basket
  • Polypropylene cone, rubber surround

Oaktron by MISCO is the premium line of high performance, ready-to-ship transducers and drivers for a wide variety of applications including high fidelity, arcade, and casino games, automotive, aerospace and many more. From elegantly simple to highly specialized designs for unique and demanding applications, there is an Oaktron loudspeaker perfectly suited for your needs.

MISCO engineers use the world's most sophisticated loudspeaker measurement systems including the Klippel Analyzer to maximize and validate the speaker's design, as well as 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 # 57X102-WF06-01
Size, Nominal (inch & mm) 2" Oval (50 mm)
Shape of Speaker Oval
Speaker Type Wide Range
Environment Outdoor / Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 6
Rated Power IEC268-5 (W) 10 Watts
Rated Impedance (Ω) 6
Continuous Power (W) 10
Program Power (W) 20
Frequency Range (Hz) 100 - 10,000
Sensitivity (dB SPL) ¹ 84
Resonant Frequency (Fs) (Hz) +/- 15% 130
DC Resistance (Re) (Ω) 6.1
Voice Coil Inductance (Le) (mH) 0.21
Mechanical Q Factor (Qms) 6.42
Electrical Q Factor (Qes) 1.46
Total Q Factor (Qts) 1.19
Mechanical Resistance (Rms) (kg/s) 0.39
Compliance Equivalent Volume (Vas) (L) 0.70
Suspension Compliance (Cms) (mm/N) 0.49
Surface Area of Diaphragm (Sd) (cm²) 31.9
Moving Mass (Mms) (gm) 3.1
Magnetic Gap Height (mm) 4.0
Coil Winding Height (mm) 8.9
Maximum Linear Excursion (Xmax) (mm) 2.45
Motor Force Factor (BL) (T•M) 3.2
Efficiency (η₀) (%) 0.10
Efficiency Bandwidth Product (EBP) (Fs/Qes) 89.3
Basket Type Stamped steel, black powder coat finish
Terminal Size (mm) 5.2 x 0.5 mm
Voice Coil Diameter (mm) 19.3
Voice Coil Wire Material Copper clad aluminum
Voice Coil Former Material Polyimide film
Voice Coil Winding Single coil, two layers
Magnet Material Neodymium ring magnet
Cone Body Material Polypropylene
Cone Surround Material Rubber
Dust Cap Material Polypropylene
Spider Material Cloth
Net Weight (kg) 0.16
Technical Notes

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