T/S Parameters
Valid
Fs63Hz
Qts0.65
Qes0.83
Qms3.0
Vas4.0L
Re5.5Ω
Le0.58mH
BL4.2Tm
Sd54cm²
Mms7g
Xmax4.0mm
SPL84dB
Power30W
Impedance8Ω
F Low50Hz
F High6000Hz
Voice Coil26mm
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
soundimports
£17.28
inc VAT
Dimensions & Physical
Diameter101.6mm
Similar Drivers
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Reference
GRS
4SMP-8
4"
Best current price
£17.28
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Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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