SIG120-4

LF Driver
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Overview

LF Driver
Dayton Audio

SIG120-4

Size
4.75"
Impedance
4Ω
RMS Power
40W
EBP
159
Vented alignment
Vd
23cm³
Datasheet

T/S Parameters

Valid
Manufacturer
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
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Dimensions & Physical

Weight0.8kg
Diameter122.9mm
Overall Depth56.0mm
Cutout Diameter95.0mm

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SIG120-4
Reference
Dayton Audio
SIG120-4
4.75"
Best current price
£30.27
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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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