2 Inch (50 mm), 4 Ohm Wide Range Speaker, Aluminum Cone

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

A compact, wide range speaker for voice communications, gaming cabinet enclosures, and 2.1 channel audio systems. This 2" football-shaped driver includes a powerful neodymium magnet, a high-stiffness aluminum cone, and a corrosion-resistant steel basket with zinc plating.

  • Wide range speaker
  • 2" (50 mm) steel basket diameter (zinc plated)
  • 5 watts, 4 ohm, 81 dB SPL
  • Neodymium magnet
  • Anodized aluminum cone, rubber surround

Oaktron by MISCO is a 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.   

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 50-WB04-01
Size, Nominal (inch & mm) 2" (50 mm)
Shape of Speaker Other
Speaker Type Wide Range
Application Arcade Gaming, Casino Gaming, Home Audio, Indoor, Outdoor , Voice Communications
Environment Outdoor / Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 5 Watts
Rated Impedance (Ω) 4
Continuous Power (W) 5
Program Power (W) 8
Frequency Range (Hz) 140 - 20,000
Sensitivity (dB SPL) ¹ 81
Resonant Frequency (Fs) (Hz) +/- 15% 145
DC Resistance (Re) (Ω) 3.7
Voice Coil Inductance (Le) (mH) 0.06
Mechanical Q Factor (Qms) 2.05
Electrical Q Factor (Qes) 0.98
Total Q Factor (Qts) 0.66
Mechanical Resistance (Rms) (kg/s) 0.48
Compliance Equivalent Volume (Vas) (L) 0.25
Suspension Compliance (Cms) (mm/N) 1.12
Surface Area of Diaphragm (Sd) (cm²) 12.57
Moving Mass (Mms) (gm) 1.07
Magnetic Gap Height (mm) 2.0
Coil Winding Height (mm) 3.3
Maximum Linear Excursion (Xmax) (mm) 0.7
Motor Force Factor (BL) (T•M) 1.9
Efficiency (η₀) (%) 0.08
Efficiency Bandwidth Product (EBP) (Fs/Qes) 148.7
Basket Type Zinc plated stamped steel
Terminal Size (mm) Solder tabs
Voice Coil Winding Single coil, two layer
Magnet Material Neodymium
Cone Body Material Anodized aluminum
Cone Surround Material Rubber
Dust Cap Material Anodized aluminum
Spider Material Cloth
Net Weight (kg) 0.05
Technical Notes

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