Media
Auto-advancing
Size
4.75"
Impedance
4Ω
RMS Power
40W
EBP
159
Vented alignment
Vd
23cm³
T/S Parameters
Valid
Fs75Hz
Qts0.43
Qes0.47
Qms4.8
Vas3.1L
Re3.7Ω
Le0.22mH
BL5.0Tm
Sd56cm²
Mms7g
Xmax4.0mm
Power40W
Impedance4Ω
F Low75Hz
F High8500Hz
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
soundimports
£30.27
inc VAT
Dimensions & Physical
Weight0.8kg
Diameter122.9mm
Overall Depth56.0mm
Cutout Diameter95.0mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
Dayton Audio
SIG120-4
4.75"
Best current price
£30.27
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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