ND91-4

LF Driver
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Overview

LF Driver
Size
2"
Impedance
4Ω
RMS Power
30W
EBP
164
Vented alignment
Vd
14cm³
Datasheet

T/S Parameters

Valid
Manufacturer
Fs74Hz
Qts0.41
Qes0.45
Qms4.2
Vas1.4L
Re4.3Ω
Le0.83mH
BL4.6Tm
Sd30cm²
Mms5g
Xmax4.6mm
Power30W
Impedance4Ω
F Low65Hz
F High17000Hz

Pricing & availability

Price movement

Best current price

Updated 17 May 2026

soundimports
£29.41
inc VAT
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Dimensions & Physical

Weight0.3kg
Diameter103.5mm
Overall Depth63.4mm
Cutout Diameter85.0mm

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ND91-4
Reference
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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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