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SB Acoustics SB36WBAC21-4 Full Range Speaker

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The SB Acoustics SB36WBAC21-4 is a 1 inch 4 ohm full range loudspeaker drive unit featuring an aluminium cone and a neodymium magnet assembly. This highly adaptable unit is ideal for desktop speakers and soundbars.

Also available in 8 ohms impedance: SB36WBAC21-8.

Key Features:

  • Long thrown suspension
  • Vented low compression design
  • Ferrofluid cooled voicecoil
  • Low resonant frequency
  • Long life silver lead wires
  • Designed for rear mounting

Basic parameters:

Resonant frequency (fs) 200 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 0.68 DC resistance (Re) 3.1 Ω
Electrical Q factor (Qes) 1.05
Max power handling 5 W
Total Q factor (Qts) 0.41
Sensitivity (2.83V/1m)
Equivalent volume (Vas) 0.021L Chassis diameter 36mm

Here's the full datasheet:

.pdf link