FaitalPRO3FE25
£12.00 · 50% less, betterFs110 Hz +162%, worse
Qts0.52 −7%
Vas1.3 L −83%, better
BL3 T·m −9%
Xmax1.7 mm −14%, worse
Sensitivity86.6 dB +5.5, better
4-inch LF driver · KT series · 25 mm voice coil · 25 W
Visaton KT 100 V 4Ω
4 Ω · 32–9500 Hz
£28.74
SteadyImpact Audio · In stock · All 3 offers
- Fs
- 42Hz
- Xmax
- 2mm
- SPL
- 81dB
- Pe
- 25W
- BL
- 3.3T·m
- Vd
- 11cm³
- Qts
- 0.56
- Vas
- 8L
Published graphs
Visaton KT 100 V is a 4-inch 4 ohm LF driver rated at 25 W RMS. The validated T/S data includes Fs 42 Hz, Qts 0.56, Vas 7.5 L, Xmax 2 mm, sensitivity 81.1 dB, plus 11 cm³ Vd and 61 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £24.24.
The published T/S values agree with each other
Thiele/Small
- Fs
- 42Hz
- Qts
- 0.56
- Qes
- 0.69
- Qms
- 2.9
- Vas
- 7.5L
- Re
- 3.7Ω
Motor and cone
- BL
- 3.3T·m
- Sd
- 53cm²
- Mms
- 8g
- Xmax Derived
- 2mm
- Vd †
- 11cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 81.1dB
- Manufacturer sensitivity
- 80dB
- Power
- 25W
- Impedance
- 4Ω
- Range
- 32–9500Hz
- EBP †
- 61 · Sealed or vented
Size and mounting
- Diameter
- 100mm
- Cutout
- 92mm
- Weight
- 0.47kg
Other published values
- Xmech
- 7
- Power Peak
- 40
Sensitivity shows 81.1 dB, calculated from the T/S values. Visaton publishes 80.0 dB, 1.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Visaton lists
LF · Primary · 4″
- BL
- 3.3T·m
- Fs
- 42Hz
- Re
- 3.7Ω
- Sd
- 53cm²
- Mms
- 8g
- Qes
- 0.69
- Qms
- 2.9
- Qts
- 0.56
- SPL
- 81.1dB
- Vas
- 7.5L
- Xmax
- 2mm
- Xmech
- 7
- Power
- 25W
- Impedance
- 4Ω
- Power Peak
- 40
- Sensitivity
- 80dB
- Low limit
- 32Hz
- Calculated sensitivity †
- 81.1dB
- High limit
- 9500Hz
- Manufacturer sensitivity
- 80dB
- Voice coil
- 25mm
- Weight
- 0.47kg
- Diameter
- 100mm
- Cutout
- 92mm
02
Compare
Same-size drivers, compared with the KT 100 V. Clear differences are green when better and red when worse.
This driverKT 100 V
Best price
£24.24
Fs
42 Hz
Qts
0.56
Vas
7.5 L
BL
3.3 T·m
Xmax
2 mm
Sensitivity
81.1 dB
Power
25 W
Dayton AudioPC83-4
£13.10 · 46% less, betterFs80 Hz +91%, worse
Qts0.54 −4%
Vas2.0 L −74%, better
BL2.9 T·m −12%, worse
Xmax2 mm –
Sensitivity84 dB +2.9, better
Dayton AudioPC83-8
£13.10 · 46% less, betterFs82 Hz +95%, worse
Qts0.63 +12%, worse
Vas1.7 L −77%, better
BL3.5 T·m +6%
Xmax2 mm –
Sensitivity83 dB +1.9
Dayton AudioPA130-8
£17.94 · 26% less, betterFs83 Hz +99%, worse
Qts0.51 −9%
Vas4.0 L −47%, better
BL6.4 T·m +95%, better
Xmax2 mm –
Sensitivity87.8 dB +6.7, better
MonacorSP-60/8
£18.25 · 25% less, betterFs65 Hz +55%, worse
Qts0.49 −13%, better
Vas6 L −20%, better
BL4.1 T·m +24%, better
Xmax2 mm –
Sensitivity86.1 dB +5, better
MonacorSPX-31M
£19.26 · 21% less, betterFs110 Hz +162%, worse
Qts0.58 +4%
Vas1.3 L −83%, better
BL3.6 T·m +10%, better
Xmax1.1 mm −45%, worse
Sensitivity86 dB +4.9, better
FaitalPRO4FE32
£21.94 · 9% less, betterFs100 Hz +138%, worse
Qts0.53 −5%
Vas2.5 L −67%, better
BL3.7 T·m +12%, better
Xmax1.7 mm −14%, worse
Sensitivity88.1 dB +7, better
CIAREPA087
£24.28 · Same priceFs74 Hz +76%, worse
Qts0.62 +11%, worse
Vas2.2 L −71%, better
BL3.5 T·m +5%
Xmax2 mm –
Sensitivity83 dB +1.9
MonacorSP-60/4
£25.04 · 3% moreFs65 Hz +55%, worse
Qts0.49 −13%, better
Vas6 L −20%, better
BL2.9 T·m −12%, worse
Xmax2 mm –
Sensitivity86.1 dB +5, better
CelestionTF0510
£29.30 · 21% more, worseFs128 Hz +205%, worse
Qts0.58 +4%
Vas7.4 L –
BL6.8 T·m +107%, better
Xmax2.4 mm +20%, better
Sensitivity95.1 dB +14, better
Dayton AudioRS100-4
£29.91 · 23% more, worseFs85 Hz +102%, worse
Qts0.53 −5%
Vas1.4 L −81%, better
BL3.2 T·m −4%
Xmax4 mm +100%, better
Sensitivity83.3 dB +2.2, better
Dayton AudioRS100P-4
£29.91 · 23% more, worseFs85 Hz +102%, worse
Qts0.54 −4%
Vas1.9 L −75%, better
BL3.0 T·m −11%, worse
Xmax4 mm +100%, better
Sensitivity84.3 dB +3.2, better
Dayton AudioDMA105-4
£30.10 · 24% more, worseFs73 Hz +73%, worse
Qts0.51 −9%
Vas4.2 L −43%, better
BL3.4 T·m +3%
Xmax2.5 mm +25%, better
Sensitivity86.2 dB +5.1, better
VisatonW 100 S
£30.10 · 24% more, worseFs65 Hz +55%, worse
Qts0.46 −18%, better
Vas4.5 L −40%, better
BL3.7 T·m +12%, better
Xmax2 mm –
Sensitivity85.6 dB +4.5, better
Tang BandW3-881SJ
£30.14 · 24% more, worseFs100 Hz +138%, worse
Qts0.58 +4%
Vas2.3 L −69%, better
BL3.3 T·m –
Xmax0.2 mm −90%, worse
Sensitivity87.7 dB +6.6, better
Tang BandW3-871SC
£30.90 · 27% more, worseFs110 Hz +162%, worse
Qts0.59 +5%
Vas1.6 L −78%, better
BL3.5 T·m +6%
Xmax0.5 mm −75%, worse
Sensitivity86.9 dB +5.8, better
SEASH1304-08 MCA12RC
£76.51 · 216% more, worseFs68 Hz +62%, worse
Qts0.56 –
Vas5 L −33%, better
BL4.2 T·m +27%, better
Xmax0.9 mm −55%, worse
Sensitivity85.3 dB +4.2, better
WavecorFR070WA01
£81.22 · 235% more, worseFs121 Hz +188%, worse
Qts0.56 –
Vas0.54 L −93%, better
BL3 T·m −9%
Xmax2 mm –
Sensitivity84.2 dB +3.1, better
WavecorFR070WA02
£81.22 · 235% more, worseFs114 Hz +171%, worse
Qts0.53 −5%
Vas0.6 L −92%, better
BL3.6 T·m +9%
Xmax2 mm –
Sensitivity84.2 dB +3.1, better
WavecorWF118OM01
No current priceFs59 Hz +40%, worse
Qts0.53 −5%
Vas5.5 L −27%, better
BL3.4 T·m +3%
Xmax1.9 mm −5%
Sensitivity85.1 dB +4, better
WavecorWF118OM02
No current priceFs61 Hz +45%, worse
Qts0.65 +16%, worse
Vas5.5 L −27%, better
BL4.2 T·m +27%, better
Xmax1.9 mm −5%
Sensitivity84.5 dB +3.4, better
MonacorSP-45/8
No current priceFs120 Hz +186%, worse
Qts0.55 –
Vas1.5 L −80%, better
BL3.4 T·m +3%
Xmax0.75 mm −63%, worse
Sensitivity87.8 dB +6.7, better
CIARECM133
No current priceFs112 Hz +167%, worse
Qts0.54 −4%
Vas2.5 L −67%, better
BL5.0 T·m +53%, better
Xmax2 mm –
Sensitivity89 dB +7.9, better
Tang BandW3-583SE
No current priceFs100 Hz +138%, worse
Qts0.56 –
Vas2.5 L −67%, better
BL3.0 T·m −9%
Xmax0.25 mm −88%, worse
Sensitivity87.5 dB +6.4, better
Tang BandW3-1319SA
No current priceFs110 Hz +162%, worse
Qts0.55 –
Vas1.8 L −76%, better
BL3.5 T·m +7%
Xmax0.5 mm −75%, worse
Sensitivity87.4 dB +6.3, better
No photo
PHL Audio950ND
No current priceFs200 Hz +376%, worse
Qts0.59 +5%
Vas1.3 L −83%, better
BL8.9 T·m +170%, better
Xmax2 mm –
Sensitivity94 dB +12.9, better
No photo
PHL Audio950
No current priceFs200 Hz +376%, worse
Qts0.62 +11%, worse
Vas1.3 L −83%, better
BL8.8 T·m +167%, better
Xmax2 mm –
Sensitivity93.7 dB +12.6, better
Dayton AudioCFC100-4
No current priceFs94 Hz +124%, worse
Qts0.60 +7%
Vas0.8 L −89%, better
BL3.1 T·m −5%
Xmax2.5 mm +25%, better
Sensitivity81.7 dB +0.6
Dayton AudioCFC120-8
No current priceFs60 Hz +43%, worse
Qts0.56 –
Vas4.6 L −39%, better
BL5.1 T·m +55%, better
Xmax2.5 mm +25%, better
Sensitivity83.6 dB +2.5, better
Tang BandW3-532SQ
No current priceFs100 Hz +138%, worse
Qts0.61 +9%
Vas1.7 L −78%, better
BL3.5 T·m +7%
Xmax0.2 mm −90%, worse
Sensitivity85.9 dB +4.8, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 57 ratings · Checked 24 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Impact Audio | £28.74, the lowest price | In stock | Visit shop at Impact Audio | |
SoundImports Import VAT and duty may apply | £24.24 | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 29 Jul