Media
Auto-advancing
Size
4"
Impedance
8Ω
RMS Power
40W
EBP
123
Vented alignment
Vd
12cm³
T/S Parameters
Valid
Fs132Hz
Qts0.85
Qes1.07
Qms4.1
Vas1.6L
Re5.8Ω
Le0.05mH
BL4.3Tm
Sd56cm²
Mms4g
Xmax2.2mm
Power40W
Impedance8Ω
Min Impedance6.2Ω
F Low110Hz
F High18000Hz
Voice Coil25mm
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
bluearan
£12.18
inc VAT
Dimensions & Physical
Weight0.7kg
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
Lavoce
FSF041.00
4"
Best current price
£12.18
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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