T/S Parameters
Valid
Fs150Hz
Qts0.33
Qes0.35
Qms5.2
Vas1.1L
Re4.7Ω
Le0.16mH
BL7.2Tm
Sd52cm²
Mms4g
Xmax1.7mm
SPL97dB
Power40W
Impedance8Ω
F Low200Hz
F High8000Hz
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
leanaudio
£24.50
inc VAT
Dimensions & Physical
Diameter129.8mm
Overall Depth54.1mm
Cutout Diameter91.5mm
Bolt Circle Diameter115.3mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
FaitalPRO
4FE44
4"
Best current price
£24.50
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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