4SMP-8

LF Driver
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Media

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Overview

LF Driver
GRS

4SMP-8

Size
4"
Impedance
8Ω
RMS Power
30W
Sensitivity
84dB
EBP
76
Either alignment
Vd
22cm³
Datasheet

T/S Parameters

Valid
Manufacturer
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
Buy now

Dimensions & Physical

Diameter101.6mm

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4SMP-8
Reference
GRS
4SMP-8
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Best current price
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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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