Visaton KT 100 V - 4 OHM – 4″ 25W Woofer, 4 Ohm

Visaton KT 100 V - 4 OHM 4Ω

LF Driver

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Media

Visaton KT 100 V - 4 OHM 4 inch 4 ohm loudspeaker driver view 1

Visaton KT 100 V - 4 OHM 4 inch 4 ohm loudspeaker driver view 2

Visaton KT 100 V - 4 OHM 4 inch 4 ohm loudspeaker driver view 3

Visaton KT 100 V - 4 OHM 4 inch 4 ohm loudspeaker driver view 4

Visaton KT 100 V - 4 OHM 4 inch 4 ohm loudspeaker driver view 5

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Overview

LF DriverKT series

Visaton KT 100 V - 4 OHM

Visaton KT 100 V - 4 OHM is a 4" 4 ohm LF driver rated at 25W RMS. The validated T/S data includes Fs 42Hz, Qts 0.56, Vas 7.5L, Xmax 7mm, sensitivity 81.1dB, plus 37cm³ Vd and 61 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.

Size

4"

Impedance

4Ω

RMS Power

25W

Sensitivity

81.1dB

80.0dBmanufacturer; using T/S-derived value (1.1dB delta).

EBP

61

Either alignment

V_d

37cm³

Datasheet traces

Frequency and impedance curves traced from the manufacturer PDF.

1 curve

frequency response240 ptsp1medium

Curve provenanceInspect 1 trace

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

frequency response
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence428 selected pixels of 703
Manufacturer datasheet, page 1

T/S Parameters

Valid

Canonical

Fs42Hz

Qts0.56

Qes0.69

Qms2.9

Vas7.5L

Re3.7Ω

BL3.3Tm

Sd53cm²

Mms8g

Xmax7.0mm

SPL81dB

Power25W

Impedance4Ω

F Low32Hz

F High9500Hz

Voice Coil25mm

What this validation status means

Pricing & availability

Price definitions

Vendor offers

1 vendor

Updated 11 Sept 2026

Source: inc VAT

Use this driver

Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.

Files use canonical values. Required mechanical fields are derived only where the target format needs them.

Hornresp

.txt · Hornresp driver database

Driver file ready to place in Hornresp’s Drivers folder.

Not enough T/S data

Missing Le

WinISD

.wdr · WinISD driver editor

Native WinISD driver record with the required SI conversions.

Not enough T/S data

Missing Le

BASTA!

.bastaelement · BASTA! loudspeaker simulator

Native BASTA! element file using its documented SI-unit fields.

Not enough T/S data

Missing Le

VituixCAD

.wdr · VituixCAD 2 Enclosure

A WinISD driver file that VituixCAD imports directly.

Not enough T/S data

Missing Le

00 Simulator

Direct import · Web app

Start a new enclosure simulation with this driver already loaded.

Open in 00 Simulator

Copy spec sheet

Plain text · Clipboard

Copy the available values as a clean label-and-value list.

Dimensions & Physical

Weight0.5kg

Diameter100.0mm

Cutout Diameter92.0mm

Similar Drivers

Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.

Visaton KT 100 V - 4 OHM 4 inch 4 ohm loudspeaker driver similar-driver reference

Reference

Visaton

KT 100 V - 4 OHM

4"

Compare on

Matches sit inside every range. Size stays fixed automatically.

Q_ts

Q_es

V_as

L

X_max

mm

BL

Tm

5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.

3 matches

Compare a specific driver

Added drivers stay at the front of the list, whatever the ranges say.

Visaton KT 100 V 4 inch 4 ohm loudspeaker driver similar driver

Visaton B 100 - 6 Ohm 4 inch 6 ohm loudspeaker driver similar driver

Tang Band W4-1879 4 inch 8 ohm loudspeaker driver similar driver