4 Inch (100 mm) Titanium Plated Woofer

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

The 93026 is the best woofer for small enclosures that need a high definition midrange, and powerful bass. Use this compact, yet powerful Oaktron driver in a variety of applications, including gaming cabinets, bookshelf audio, and car sound systems.

  • Woofer
  • 4" (100 mm) basket diameter
  • 30 watts, 4 ohms, 87 dB SPL
  • 1" copper voice coil, aluminum former
  • Ferrite magnet, stamped steel basket
  • Electroplated titanium-coated polypropylene cone, rubber surround

Oaktron by MISCO is a premium line of high performance, ready-to-ship transducers and raw speaker 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.   

Pair this woofer with one of our MISCO Amplifiers.

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 100-WF04-01
Size, Nominal (inch & mm) 4" (100 mm)
Shape of Speaker Square
Speaker Type Woofer
Application Arcade Gaming, Auto / Motorcycle, Casino Gaming, Drive-Thru / Kiosk, Home Audio, Indoor, Outdoor , Transit
Environment Outdoor / Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 30 Watts
Rated Impedance (Ω) 4
Continuous Power (W) 30
Program Power (W) 60
Frequency Range (Hz) 60 - 9,500
Sensitivity (dB SPL) ¹ 87
Resonant Frequency (Fs) (Hz) +/- 15% 86
DC Resistance (Re) (Ω) 3.5
Voice Coil Inductance (Le) (mH) 0.36
Mechanical Q Factor (Qms) 6.21
Electrical Q Factor (Qes) 0.52
Total Q Factor (Qts) 0.48
Mechanical Resistance (Rms) (kg/s) 0.76
Compliance Equivalent Volume (Vas) (L) 1.70
Suspension Compliance (Cms) (mm/N) 0.39
Surface Area of Diaphragm (Sd) (cm²) 55.4
Moving Mass (Mms) (gm) 8.7
Magnetic Gap Height (mm) 6.0
Coil Winding Height (mm) 12.2
Maximum Linear Excursion (Xmax) (mm) 3.1
Motor Force Factor (BL) (T•M) 5.6
Efficiency (η₀) (%) 0.20
Efficiency Bandwidth Product (EBP) (Fs/Qes) 165.3
Basket Type Stamped steel, black powder coat
Terminal Size (mm) 5.7 x 0.5 mm
Voice Coil Diameter (mm) 25.8
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Voice Coil Winding Single coil, two layers
Magnet Material Ferrite
Magnet Weight (g) 280 (10 oz)
Cone Body Material Electroplated titanium coated polypropylene cone
Cone Surround Material Molded rubber
Dust Cap Material Talc-filled polypropylene
Spider Material Cloth
Net Weight (kg) 0.87
Technical Notes

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