Media





Auto-advancing
Size
4"
Impedance
8Ω
RMS Power
40W
EBP
265
Vented alignment
Vd
12cm³
Frequency response
Manufacturer-provided response plots and related charts.

T/S Parameters
Valid
Fs114Hz
Qts0.38
Qes0.43
Qms3.6
Vas1.8L
Re6.0Ω
Le0.06mH
BL6.9Tm
Sd56cm²
Mms5g
Xmax2.2mm
Power40W
Impedance8Ω
Min Impedance7.0Ω
F Low110Hz
F High18000Hz
Voice Coil25mm
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
bluearan
£34.72
inc VAT
Dimensions & Physical
Weight0.4kg
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.

Reference
Lavoce
FSN041.00
4"
Best current price
£34.72
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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