REDCATT20NFR
£9.95Fs185 Hz +54%, worse
Qts0.52 +8%
Vas0.09 L −96%, better
BL3.2 T·m −25%, worse
Xmax3 mm –
Sensitivity82.3 dB −7.3, worse
2-inch LF driver · INTEGRA series · 54 mm voice coil · 60 W
Morel INTEGRA 424 4Ω
4 Ω
No price for delivery to the UK
- Fs
- 120Hz
- Xmax
- 3mm
- SPL
- 90dB
- Pe
- 60W
- BL
- 4.3T·m
- Vd
- 19cm³
- Qts
- 0.48
- Vas
- 2L
Morel INTEGRA 424 is a 2-inch 4 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 120 Hz, Qts 0.48, Vas 2 L, Xmax 3 mm, sensitivity 89.6 dB, plus 19 cm³ Vd and 200 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 120Hz
- Qts
- 0.48
- Qes
- 0.60
- Qms
- 2.5
- Vas
- 2L
- Re
- 3Ω
- Le
- 0.15mH
Motor and cone
- BL
- 4.3T·m
- Sd
- 63cm²
- Mms
- 5g
- Xmax
- 3mm
- Vd †
- 19cm³
- Voice coil
- 54mm
- Flux density
- 0.85T
Power and response
- Sensitivity †
- 89.6dB
- Manufacturer sensitivity
- 88dB
- Power
- 60W
- Nominal power
- 60W
- Impedance
- 4Ω
- EBP †
- 200 · Leans vented
Size and mounting
- Diameter
- 118.5mm
- Depth
- 55mm
- Weight
- 0.5kg
Other published values
- Cms
- 0.35mm/N
- Rms
- 1.52kg/s
- Power Peak
- 500
Sensitivity shows 89.6 dB, calculated from the T/S values. Morel publishes 88.0 dB, 1.6 dB apart.
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF
- BL
- 4.3T·m
- Fs
- 120Hz
- Le
- 0.15mH
- Re
- 3Ω
- Sd
- 63cm²
- Cms
- 0.35mm/N
- Mms
- 5g
- Qes
- 0.60
- Qms
- 2.5
- Qts
- 0.48
- Rms
- 1.52kg/s
- SPL
- 89.6dB
- Vas
- 2L
- Xmax
- 3mm
- Power
- 60W
- Impedance
- 4Ω
- Power Peak
- 500
- Flux density
- 0.85T
- Sensitivity
- 88dB
- Nominal power
- 60W
- Calculated sensitivity †
- 89.6dB
- Manufacturer sensitivity
- 88dB
- Voice coil
- 54mm
- Weight
- 0.5kg
- Diameter
- 118.5mm
- Depth
- 55mm
HF
- Fs
- 1100Hz
- Re
- 3.5Ω
- Sd
- 6cm²
- Qes
- 2.73
- Qms
- 3.5
- Qts
- 1.53
- SPL
- 89dB
- Xmax
- 0.25mm
- Power Peak
- 200
- Sensitivity
- 89dB
- Manufacturer sensitivity
- 89dB
- Voice coil
- 28mm
02
Compare
Same-size drivers, compared with the INTEGRA 424. Clear differences are green when better and red when worse.
This driverINTEGRA 424
Best price
–
Fs
120 Hz
Qts
0.48
Vas
2 L
BL
4.3 T·m
Xmax
3 mm
Sensitivity
89.6 dB
Power
60 W
FaitalPRO3FE25
£12.00Fs110 Hz −8%
Qts0.52 +8%
Vas1.3 L −35%, better
BL3 T·m −31%, worse
Xmax1.7 mm −42%, worse
Sensitivity86.6 dB −3, worse
Dayton AudioPC83-4
£13.08Fs80 Hz −33%, better
Qts0.54 +13%, worse
Vas2.0 L –
BL2.9 T·m −33%, worse
Xmax2 mm −33%, worse
Sensitivity84 dB −5.6, worse
Dayton AudioDS90-8
£16.51Fs81 Hz −32%, better
Qts0.43 −10%, better
Vas1.3 L −35%, better
BL4.8 T·m +10%, better
Xmax2.5 mm −17%, worse
Sensitivity83.3 dB −6.3, worse
Dayton AudioDMA58-4
£16.67Fs166 Hz +38%, worse
Qts0.46 −4%
Vas0.14 L −93%, better
BL3.7 T·m −14%, worse
Xmax2 mm −33%, worse
Sensitivity82.6 dB −7, worse
MonacorSPX-32M
£18.39Fs110 Hz −8%
Qts0.56 +17%, worse
Vas1.6 L −20%, better
BL3.7 T·m −15%, worse
Xmax1.1 mm −63%, worse
Sensitivity87.5 dB −2.1, worse
Dayton AudioDMA80-8
£19.14Fs98 Hz −19%, better
Qts0.47 –
Vas1.1 L −43%, better
BL5.1 T·m +18%, better
Xmax2.5 mm −17%, worse
Sensitivity84.4 dB −5.2, worse
Dayton AudioDSA90-8
£20.26Fs67 Hz −44%, better
Qts0.37 −23%, better
Vas2.3 L +14%, worse
BL4.6 T·m +7%
Xmax2.5 mm −17%, worse
Sensitivity83.8 dB −5.8, worse
EminenceALPHA 3-8
£24.34Fs118 Hz –
Qts0.50 +4%
Vas0.95 L −53%, better
BL3.9 T·m −9%
Xmax2.4 mm −20%, worse
Sensitivity86.7 dB −2.9, worse
Tang BandW3-871B
£27.58Fs110 Hz −8%
Qts0.52 +8%
Vas1.2 L −41%, better
BL3.7 T·m −15%, worse
Xmax0.5 mm −83%, worse
Sensitivity86.1 dB −3.5, worse
Tang BandW3-881SJF
£30.09Fs100 Hz −17%, better
Qts0.39 −19%, better
Vas1.9 L −6%
BL4.5 T·m +3%
Xmax0.5 mm −83%, worse
Sensitivity88.7 dB −0.9
Tang BandW3-315E
£32.14Fs100 Hz −17%, better
Qts0.52 +8%
Vas1.7 L −16%, better
BL3.9 T·m −10%
Xmax1.3 mm −58%, worse
Sensitivity86.7 dB −2.9, worse
FountekFR58EX
£37.53Fs134 Hz +12%, worse
Qts0.55 +15%, worse
Vas0.01 L −100%, better
BL3.4 T·m −22%, worse
Xmax2.9 mm −3%
Sensitivity67.5 dB −22.1, worse
MarkaudioCHN-719
£37.57Fs68 Hz −43%, better
Qts0.50 +4%
Vas4.7 L +136%, worse
BL4.0 T·m −8%
Xmax4.3 mm +43%, better
Sensitivity86.1 dB −3.5, worse
MonacorSPH-30X/8SW
£57.21Fs105 Hz −13%, better
Qts0.42 −13%, better
Vas1.3 L −35%, better
BL4.5 T·m +4%
Xmax2 mm −33%, worse
Sensitivity86.9 dB −2.7, worse
WavecorFR070WA05
£100.21Fs89 Hz −26%, better
Qts0.47 –
Vas0.6 L −70%, better
BL3.8 T·m −13%, worse
Xmax2.7 mm −10%
Sensitivity81.4 dB −8.2, worse
MorelEM 428
£183.83Fs68 Hz −43%, better
Qts0.41 −15%, better
Vas3.5 L +75%, worse
BL5.4 T·m +25%, better
Xmax3 mm –
Sensitivity85.6 dB −4, worse
Tang BandW35-1315SJ
No current priceFs80 Hz −33%, better
Qts0.49 –
Vas3.1 L +54%, worse
BL4.5 T·m +5%
Xmax3 mm –
Sensitivity86 dB −3.6, worse
Tang BandW3-926SDF
No current priceFs100 Hz −17%, better
Qts0.49 –
Vas1.9 L −6%
BL3.7 T·m −14%, worse
Xmax0.75 mm −75%, worse
Sensitivity87.5 dB −2.1, worse
WavecorSW084OM02
No current priceFs77 Hz −36%, better
Qts0.53 +10%, worse
Vas1.7 L −15%, better
BL4.6 T·m +6%
Xmax4.5 mm +50%, better
Sensitivity83.4 dB −6.2, worse
Tang BandW3-926SD
No current priceFs110 Hz −8%
Qts0.46 −4%
Vas1.9 L −6%
BL3.8 T·m −11%, worse
Xmax0.75 mm −75%, worse
Sensitivity89 dB −0.6
Tang BandW3-316B
No current priceFs100 Hz −17%, better
Qts0.44 −8%
Vas1.9 L −6%
BL4.1 T·m −4%
Xmax1.2 mm −60%, worse
Sensitivity88 dB −1.6
Tang BandW3-1053SC
No current priceFs100 Hz −17%, better
Qts0.52 +8%
Vas1.8 L −12%, better
BL3.7 T·m −14%, worse
Xmax0.75 mm −75%, worse
Sensitivity87 dB −2.6, worse
Tang BandW3-2088S0F
No current priceFs45 Hz −63%, better
Qts0.48 –
Vas2.1 L +5%
BL5.7 T·m +31%, better
Xmax7 mm +133%, better
Sensitivity77.4 dB −12.2, worse
Dayton AudioDMA80-4
No current priceFs94 Hz −22%, better
Qts0.41 −15%, better
Vas1.4 L −29%, better
BL3.7 T·m −14%, worse
Xmax2.5 mm −17%, worse
Sensitivity85.6 dB −4, worse
KartesianWIB70_VHP
No current priceFs125 Hz +4%
Qts0.47 –
Vas0.45 L −78%, better
BL4.8 T·m +12%, better
Xmax3 mm –
Sensitivity85.5 dB −4.1, worse
Tang BandW3-1319SA
No current priceFs110 Hz −8%
Qts0.55 +15%, worse
Vas1.8 L −12%, better
BL3.5 T·m −18%, worse
Xmax0.5 mm −83%, worse
Sensitivity87.4 dB −2.2, worse
WavecorSW084OM01
No current priceFs74 Hz −38%, better
Qts0.44 −8%
Vas1.7 L −15%, better
BL3.6 T·m −18%, worse
Xmax4.5 mm +50%, better
Sensitivity83.8 dB −5.8, worse
MarkaudioCHP-70 GENERATION 2
No current priceFs72 Hz −40%, better
Qts0.52 +8%
Vas4.7 L +135%, worse
BL4.2 T·m –
Xmax4.2 mm +40%, better
Sensitivity86.3 dB −3.3, worse
Tang BandW3-2108
No current priceFs45 Hz −63%, better
Qts0.46 −4%
Vas1.7 L −15%, better
BL6.2 T·m +43%, better
Xmax7 mm +133%, better
Sensitivity76.9 dB −12.7, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Willys-Hifi | £191.46 | Out of stock | Visit shop at Willys-Hifi | |
SoundImports Not currently listed · Last seen 4 May 2026 · Import VAT and duty may apply | £167.11 | Stock not listed | Visit shop at SoundImports |