ALPHA 4-4

LF Driver
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Overview

LF DriverALPHA series
Eminence

ALPHA 4-4

Size
4"
Impedance
4Ω
RMS Power
55W
Sensitivity
88dB
EBP
171
Vented alignment
Vd
15cm³
Datasheet

T/S Parameters

Valid
Manufacturer
Fs120Hz
Qts0.63
Qes0.70
Qms6.4
Vas1.8L
Re3.4Ω
Le0.18mH
BL4.1Tm
Sd58cm²
Mms5g
Xmax2.6mm
SPL88dB
Power55W
Impedance4Ω
F Low105Hz
F High10000Hz

Pricing & availability

Price movement

Best current price

Updated 17 May 2026

leanaudio
£16.26
Avg £32.35£16.09 below avg (-49.7%)
inc VAT
Buy now

Dimensions & Physical

Weight0.7kg
Diameter116.1mm
Overall Depth58.7mm
Cutout Diameter95.8mm
Bolt Circle Diameter108.0mm

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ALPHA 4-4
Reference
Eminence
ALPHA 4-4
4"
Best current price
£16.26
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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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