2 Inch x 3.5 Inch (50 X 90mm) Waterproof Full Range Speaker, 4 Ohm

Brand Name
Oaktron by MISCO
Model #
Part #
In stock

The Oaktron 93016 is a race-track shaped speaker for full range audio in your game machines, kiosks, and other space conscious applications that produce energetic, performative audio.

  • Full range wide band speaker
  • 2" x 3.5" (50 mm x 90 mm) steel basket size
  • 7 watts, 4 ohm, 88 dB SPL
  • 0.8" copper voice coil, paper former
  • Neodymium magnet, paper cone with natural rubber surround
  • RoHS compliant

MISCO engineers test and analyze the performance of these speakers using the world's most sophisticated loudspeaker measurement systems including the Klippel Analyzer and the Klippel QC, which confirm the final design.  

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More Information
Brand Name Oaktron by MISCO
Model # 50X90-WB04-01
Size, Nominal (inch & mm) 2" Oval (50 mm)
Shape of Speaker Oval
Speaker Type Full Range
Application Arcade Gaming, Casino Gaming, Drive-Thru / Kiosk
Environment Outdoor / Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 4
Rated Power IEC268-5 (W) 7 Watts
Rated Impedance (Ω) 4
Program Power (W) 14
Frequency Range (Hz) 160 - 20,000
Sensitivity (dB SPL) ¹ 88
Resonant Frequency (Fs) (Hz) +/- 15% 208
DC Resistance (Re) (Ω) 3.8
Voice Coil Inductance (Le) (mH) 0.10
Mechanical Q Factor (Qms) 3.84
Electrical Q Factor (Qes) 1.65
Total Q Factor (Qts) 1.15
Mechanical Resistance (Rms) (kg/s) 0.64
Compliance Equivalent Volume (Vas) (L) 0.17
Suspension Compliance (Cms) (mm/N) 0.25
Surface Area of Diaphragm (Sd) (cm²) 21.49
Moving Mass (Mms) (gm) 1.55
Motor Force Factor (BL) (T•M) 2.4
Efficiency (η₀) (%) 0.16
Efficiency Bandwidth Product (EBP) (Fs/Qes) 154.64
Basket Type Stamped Steel
Terminal Size (mm) 0.110 x 0.02 / 0.205 x 0.02
Voice Coil Diameter (mm) 20.3
Voice Coil Wire Material Copper
Voice Coil Former Material Paper
Voice Coil Winding Single Layer
Magnet Material Neodymium
Magnet Weight (g) 11
Cone Body Material Paper
Cone Surround Material Cloth
Dust Cap Material Paper
Net Weight (kg) 100
Technical Notes

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