Dayton AudioCE41N-4
£7.21 · 29% less, betterFs170 Hz −8%
Qts0.53 –
Vas0.078 L −13%, better
BL2.3 T·m −29%, worse
Xmax0.7 mm −77%, worse
Sensitivity80.2 dB −2.1, worse
2-inch LF driver · 19 mm voice coil · 10 W
REDCATT 20NFR 4Ω
4 Ω
£10.16
Lautsprecherteile · 8 in stock · All 1 offer
- Fs
- 185Hz
- Xmax
- 3mm
- SPL
- 82dB
- Pe
- 10W
- BL
- 3.2T·m
- Vd
- 3cm³
- Qts
- 0.52
- Vas
- 0.09L
REDCATT 20NFR is a 2-inch 4 ohm LF driver rated at 10 W RMS. The validated T/S data includes Fs 185 Hz, Qts 0.52, Vas 0.09 L, Xmax 3 mm, sensitivity 82.3 dB, plus 3 cm³ Vd and 343 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £10.16.
The published T/S values agree with each other
Thiele/Small
- Fs
- 185Hz
- Qts
- 0.52
- Qes
- 0.54
- Qms
- 10.3
- Vas
- 0.09L
- Re
- 3.6Ω
- Le
- 0.08mH
Motor and cone
- BL
- 3.2T·m
- Sd
- 11cm²
- Mms
- 1g
- Xmax
- 3mm
- Vd †
- 3cm³
- Voice coil
- 19mm
Power and response
- Sensitivity †
- 82.3dB
- Manufacturer sensitivity
- 83dB
- Power
- 10W
- Impedance
- 4Ω
- EBP †
- 343 · Leans vented
Size and mounting
- Diameter
- 48mm
- Cutout
- 42.9mm
- Bolt circle
- 56mm
- Weight
- 80kg
Other published values
- Xmech
- 5.5
- Power Peak
- 40
Other dimensions
- Mounting Depth
- 29
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 2″
- BL
- 3.2T·m
- Fs
- 185Hz
- Le
- 0.08mH
- Re
- 3.6Ω
- Sd
- 11cm²
- Mms
- 1g
- Qes
- 0.54
- Qms
- 10.3
- Qts
- 0.52
- SPL
- 82.3dB
- Vas
- 0.09L
- Xmax
- 3mm
- Xmech
- 5.5
- Power
- 10W
- Impedance
- 4Ω
- Power Peak
- 40
- Sensitivity
- 83dB
- Calculated sensitivity †
- 82.3dB
- Manufacturer sensitivity
- 83dB
- Voice coil
- 19mm
- Weight
- 80kg
- Diameter
- 48mm
- Mounting Depth
- 29
- Cutout
- 42.9mm
- Bolt circle
- 56mm
02
Compare
Same-size drivers, compared with the 20NFR. Clear differences are green when better and red when worse.
This driver20NFR
Best price
£10.16
Fs
185 Hz
Qts
0.52
Vas
0.09 L
BL
3.2 T·m
Xmax
3 mm
Sensitivity
82.3 dB
Power
10 W
FaitalPRO3FE25
£12.00 · 18% more, worseFs110 Hz −41%, better
Qts0.52 –
Vas1.3 L +1344%, worse
BL3 T·m −7%
Xmax1.7 mm −42%, worse
Sensitivity86.6 dB +4.3, better
Dayton AudioPC83-4
£13.36 · 32% more, worseFs80 Hz −57%, better
Qts0.54 +4%
Vas2.0 L +2102%, worse
BL2.9 T·m −10%, worse
Xmax2 mm −33%, worse
Sensitivity84 dB +1.7
HiViB3N
£15.75 · 55% more, worseFs77 Hz −58%, better
Qts0.86 +65%, worse
Vas1.7 L +1789%, worse
BL3.1 T·m −4%
Xmax3 mm –
Sensitivity80.6 dB −1.7
Dayton AudioDMA58-4
£17.03 · 68% more, worseFs166 Hz −11%, better
Qts0.46 −12%, better
Vas0.14 L +57%, worse
BL3.7 T·m +14%, better
Xmax2 mm −33%, worse
Sensitivity82.6 dB –
Dayton AudioDMA70-4
£17.85 · 76% more, worseFs113 Hz −39%, better
Qts0.44 −15%, better
Vas0.57 L +529%, worse
BL3.7 T·m +14%, better
Xmax2 mm −33%, worse
Sensitivity83.7 dB +1.4
MonacorSPX-32M
£18.78 · 85% more, worseFs110 Hz −41%, better
Qts0.56 +8%
Vas1.6 L +1678%, worse
BL3.7 T·m +14%, better
Xmax1.1 mm −63%, worse
Sensitivity87.5 dB +5.2, better
MonacorSPX-21M
£22.97 · 126% more, worseFs170 Hz −8%
Qts0.47 −10%
Vas0.1 L +11%, worse
BL3.3 T·m –
Xmax1.2 mm −60%, worse
Sensitivity81.7 dB −0.6
EminenceALPHA 3-8
£24.49 · 141% more, worseFs118 Hz −36%, better
Qts0.50 −4%
Vas0.95 L +956%, worse
BL3.9 T·m +21%, better
Xmax2.4 mm −20%, worse
Sensitivity86.7 dB +4.4, better
Tang BandW3-871B
£28.17 · 177% more, worseFs110 Hz −41%, better
Qts0.52 –
Vas1.2 L +1208%, worse
BL3.7 T·m +14%, better
Xmax0.5 mm −83%, worse
Sensitivity86.1 dB +3.8, better
Tang BandW1-1070SH
£29.88 · 194% more, worseFs180 Hz –
Qts0.42 −19%, better
Vas0.09 L –
BL3.2 T·m –
Xmax2 mm −33%, worse
Sensitivity82.1 dB –
Tang BandW3-881SJ
£30.74 · 203% more, worseFs100 Hz −46%, better
Qts0.58 +12%, worse
Vas2.3 L +2467%, worse
BL3.3 T·m –
Xmax0.2 mm −93%, worse
Sensitivity87.7 dB +5.4, better
Tang BandW3-315E
£32.83 · 223% more, worseFs100 Hz −46%, better
Qts0.52 –
Vas1.7 L +1767%, worse
BL3.9 T·m +20%, better
Xmax1.3 mm −58%, worse
Sensitivity86.7 dB +4.4, better
FountekFR58EX
£38.33 · 277% more, worseFs134 Hz −28%, better
Qts0.55 +6%
Vas0.01 L −89%, better
BL3.4 T·m +5%
Xmax2.9 mm −3%
Sensitivity67.5 dB −14.8, worse
MarkaudioCHN-719
£38.38 · 278% more, worseFs68 Hz −63%, better
Qts0.50 −4%
Vas4.7 L +5150%, worse
BL4.0 T·m +22%, better
Xmax4.3 mm +43%, better
Sensitivity86.1 dB +3.8, better
WavecorFR070WA02
£82.81 · 715% more, worseFs114 Hz −38%, better
Qts0.53 –
Vas0.6 L +578%, worse
BL3.6 T·m +11%, better
Xmax2 mm −33%, worse
Sensitivity84.2 dB +1.9
WavecorFR070WA01
£82.81 · 715% more, worseFs121 Hz −35%, better
Qts0.56 +8%
Vas0.54 L +500%, worse
BL3 T·m −7%
Xmax2 mm −33%, worse
Sensitivity84.2 dB +1.9
WavecorFR070WA05
£102.36 · 908% more, worseFs89 Hz −52%, better
Qts0.47 −10%
Vas0.6 L +567%, worse
BL3.8 T·m +16%, better
Xmax2.7 mm −10%
Sensitivity81.4 dB −0.9
MorelEM 428
£187.78 · 1748% more, worseFs68 Hz −63%, better
Qts0.41 −21%, better
Vas3.5 L +3789%, worse
BL5.4 T·m +67%, better
Xmax3 mm –
Sensitivity85.6 dB +3.3, better
WavecorFR055WA04
No current priceFs128 Hz −31%, better
Qts0.51 –
Vas0.33 L +267%, worse
BL3.3 T·m –
Xmax1.4 mm −55%, worse
Sensitivity83 dB +0.7
Dayton AudioCE4249N-4
No current priceFs184 Hz –
Qts0.49 −6%
Vas0.039 L −57%, better
BL2.9 T·m −9%
Xmax1.6 mm −47%, worse
Sensitivity78.6 dB −3.7, worse
Tang BandW3-1053SC
No current priceFs100 Hz −46%, better
Qts0.52 –
Vas1.8 L +1867%, worse
BL3.7 T·m +15%, better
Xmax0.75 mm −75%, worse
Sensitivity87 dB +4.7, better
MorelINTEGRA 424
No current priceFs120 Hz −35%, better
Qts0.48 −8%
Vas2 L +2122%, worse
BL4.3 T·m +33%, better
Xmax3 mm –
Sensitivity89.6 dB +7.3, better
Tang BandW1-2121S
No current priceFs120 Hz −35%, better
Qts0.35 −33%, better
Vas0.11 L +22%, worse
BL3.1 T·m −3%
Xmax2.3 mm −23%, worse
Sensitivity78.1 dB −4.2, worse
Tang BandW35-1315SJ
No current priceFs80 Hz −57%, better
Qts0.49 −6%
Vas3.1 L +3322%, worse
BL4.5 T·m +40%, better
Xmax3 mm –
Sensitivity86 dB +3.7, better
Tang BandW3-926SDF
No current priceFs100 Hz −46%, better
Qts0.49 −6%
Vas1.9 L +2000%, worse
BL3.7 T·m +15%, better
Xmax0.75 mm −75%, worse
Sensitivity87.5 dB +5.2, better
No photo
Tang BandW35-1315SE
No current priceFs85 Hz −54%, better
Qts0.40 −23%, better
Vas4.4 L +4822%, worse
BL4.2 T·m +28%, better
Xmax3 mm –
Sensitivity88.8 dB +6.5, better
Dayton AudioDMA80-4
No current priceFs94 Hz −49%, better
Qts0.41 −21%, better
Vas1.4 L +1473%, worse
BL3.7 T·m +14%, better
Xmax2.5 mm −17%, worse
Sensitivity85.6 dB +3.3, better
MonacorSP-45/8
No current priceFs120 Hz −35%, better
Qts0.55 +6%
Vas1.5 L +1567%, worse
BL3.4 T·m +5%
Xmax0.75 mm −75%, worse
Sensitivity87.8 dB +5.5, better
Tang BandW1-1931S
No current priceFs170 Hz −8%
Qts0.46 −12%, better
Vas0.02 L −78%, better
BL2.6 T·m −20%, worse
Xmax1.2 mm −60%, worse
Sensitivity74.6 dB −7.7, 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 |
|---|---|---|---|---|
Lautsprecherteile | £10.16, the lowest price | 8 in stock | Visit shop at Lautsprecherteile |
Best price over time
Tracked since 1 Oct