Dayton AudioCE40-4
£6.79 · 72% less, betterFs194 Hz −8%
Qts1.12 –
Vas0.064 L +1180%, worse
BL1.5 T·m −61%, worse
Xmax0.7 mm −53%, worse
Sensitivity77.1 dB +10.1, better
2-inch LF driver · 20 W
Dayton Audio DML25-4 4Ω
4 Ω · 150–15000 Hz
£23.86
3.9%SoundImports · 4 in stock · All 2 offers
- Fs
- 212Hz
- Xmax
- 1.5mm
- SPL
- 67dB
- Pe
- 20W
- BL
- 3.9T·m
- Vd
- 0.7cm³
- Qts
- 1.10
- Vas
- 0.005L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence1,791 selected pixels of 1,791
Dayton Audio DML25-4 is a 2-inch 4 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 212 Hz, Qts 1.10, Vas 0.005 L, Xmax 1.5 mm, sensitivity 67 dB, plus 1 cm³ Vd and 141 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £23.86.
The published T/S values agree with each other
Thiele/Small
- Fs
- 212Hz
- Qts
- 1.10
- Qes
- 1.50
- Qms
- 3.8
- Vas
- 0.005L
- Re
- 4.3Ω
- Le
- 0.09mH
Motor and cone
- BL
- 3.9T·m
- Sd
- 5cm²
- Mms
- 4g
- Xmax
- 1.5mm
- Vd †
- 0.7cm³
Power and response
- Sensitivity †
- 67dB
- Power
- 20W
- Impedance
- 4Ω
- Range
- 150–15000Hz
- EBP †
- 141 · Leans vented
Other published values
- Cms
- 0.15mm/N
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 2″
- BL
- 3.9T·m
- Fs
- 212Hz
- Le
- 0.09mH
- Re
- 4.3Ω
- Sd
- 5cm²
- Cms
- 0.15mm/N
- Mms
- 4g
- Qes
- 1.50
- Qms
- 3.8
- Qts
- 1.10
- SPL
- 67dB
- Vas
- 0.005L
- Xmax
- 1.5mm
- Power
- 20W
- Impedance
- 4Ω
- Low limit
- 150Hz
- Calculated sensitivity †
- 67dB
- High limit
- 15000Hz
02
Compare
Same-size drivers, compared with the DML25-4. Clear differences are green when better and red when worse.
This driverDML25-4
Best price
£23.86
Fs
212 Hz
Qts
1.10
Vas
0.005 L
BL
3.9 T·m
Xmax
1.5 mm
Sensitivity
67 dB
Power
20 W
VisatonFR 58
£8.11 · 66% less, betterFs190 Hz −10%, better
Qts0.98 −11%, better
Vas0.18 L +3500%, worse
BL2.3 T·m −41%, worse
Xmax2.5 mm +67%, better
Sensitivity80.8 dB +13.8, better
VisatonSC 5.9
£8.54 · 64% less, betterFs193 Hz −9%
Qts1.25 +14%, worse
Vas0.4 L +7900%, worse
BL2.5 T·m −35%, worse
Xmax1.5 mm –
Sensitivity84.9 dB +17.9, better
Dayton AudioCE78PF-4
£11.06 · 54% less, betterFs100 Hz −53%, better
Qts0.99 −10%, better
Vas1.1 L +22700%, worse
BL2.2 T·m −42%, worse
Xmax1.4 mm −7%
Sensitivity81.3 dB +14.3, better
Dayton AudioCE140-30S-8
£11.70 · 51% less, betterFs105 Hz −50%, better
Qts1.04 −5%
Vas0.4 L +8100%, worse
BL4.3 T·m +12%, better
Xmax2 mm +33%, better
Sensitivity77.5 dB +10.5, better
VisatonFRS 7
£11.91 · 50% less, betterFs220 Hz +4%
Qts1.22 +11%, worse
Vas0.3 L +5900%, worse
BL1.7 T·m −56%, worse
Xmax1.5 mm –
Sensitivity84.2 dB +17.2, better
PeerlessPLS-P830987
£14.78 · 38% less, betterFs110 Hz −48%, better
Qts1 −9%
Vas1.0 L +19700%, worse
BL3.0 T·m −23%, worse
Xmax3.4 mm +125%, better
Sensitivity82.4 dB +15.4, better
FaitalPRO3FE26
£15.02 · 37% less, betterFs150 Hz −29%, better
Qts1.08 –
Vas0.9 L +17900%, worse
BL3.9 T·m –
Xmax2 mm +33%, better
Sensitivity84.9 dB +17.9, better
REDCATT31NFR
£15.75 · 34% less, betterFs115 Hz −46%, better
Qts0.88 −20%, better
Vas0.85 L +16900%, worse
BL3.5 T·m −9%
Xmax1.7 mm +13%, better
Sensitivity83.4 dB +16.4, better
Dayton AudioCE54N-4
£16.18 · 32% less, betterFs168 Hz −21%, better
Qts0.58 −47%, better
Vas111 L +2219900%, worse
BL3.8 T·m –
Xmax1.4 mm −7%
Sensitivity111.2 dB +44.2, better
HiViB2S
£16.99 · 29% less, betterFs152 Hz −28%, better
Qts1.20 +9%
Vas0.2 L +3900%, worse
BL2.5 T·m −35%, worse
Xmax1.5 mm –
Sensitivity78.6 dB +11.6, better
Sica2.5 H 0.8 SL
£17.93 · 25% less, betterFs185 Hz −13%, better
Qts0.92 −16%, better
Vas0.2 L +3900%, worse
BL2.8 T·m −27%, worse
Xmax1.3 mm −13%, worse
Sensitivity82.6 dB +15.6, better
FaitalPRO3FE22
£18.20 · 24% less, betterFs110 Hz −48%, better
Qts0.36 −67%, better
Vas1.3 L +25900%, worse
BL3.7 T·m −4%
Xmax1.7 mm +15%, better
Sensitivity88.4 dB +21.4, better
Sica3 L 0.8 SL
£27.28 · 14% more, worseFs145 Hz −32%, better
Qts1.01 −8%
Vas0.8 L +15900%, worse
BL2.8 T·m −27%, worse
Xmax1.5 mm –
Sensitivity84.8 dB +17.8, better
Dayton AudioRS75-8
£29.80 · 25% more, worseFs185 Hz −13%, better
Qts1.07 –
Vas0.11 L +2165%, worse
BL2.5 T·m −34%, worse
Xmax1.3 mm −13%, worse
Sensitivity79.3 dB +12.3, better
Tang BandW3-315E
£32.83 · 38% more, worseFs100 Hz −53%, better
Qts0.52 −53%, better
Vas1.7 L +33500%, worse
BL3.9 T·m –
Xmax1.3 mm −17%, worse
Sensitivity86.7 dB +19.7, better
CelestionAN2775
£35.00 · 47% more, worseFs123 Hz −42%, better
Qts0.96 −13%, better
Vas3.6 L +71300%, worse
BL3.1 T·m −21%, worse
Xmax2.3 mm +50%, better
Sensitivity89.6 dB +22.6, better
MonacorAN2775/8
£40.98 · 72% more, worseFs123 Hz −42%, better
Qts0.96 −13%, better
Vas3.6 L +71900%, worse
BL3.1 T·m −21%, worse
Xmax2.3 mm +50%, better
Sensitivity89.7 dB +22.7, better
Dayton AudioRS75T-8
£42.64 · 79% more, worseFs189 Hz −11%, better
Qts0.95 −14%, better
Vas0.22 L +4300%, worse
BL2.6 T·m −33%, worse
Xmax1.3 mm −13%, worse
Sensitivity83.2 dB +16.2, better
Dayton AudioRC180-55
£45.32 · 90% more, worseFs52 Hz −75%, better
Qts0.89 −19%, better
Vas2.0 L +40700%, worse
BL4.2 T·m +10%
Xmax4.7 mm +213%, better
Sensitivity75.7 dB +8.7, better
Tang BandW3-2141
£46.96 · 97% more, worseFs75 Hz −65%, better
Qts0.39 −65%, better
Vas3.3 L +65900%, worse
BL3.6 T·m −6%
Xmax1.6 mm +7%
Sensitivity86.8 dB +19.8, better
WavecorFR040WA02
£51.65 · 116% more, worseFs239 Hz +13%, worse
Qts1.23 +12%, worse
Vas0.064 L +1180%, worse
BL2 T·m −48%, worse
Xmax0.5 mm −67%, worse
Sensitivity79.9 dB +12.9, better
PeerlessHVS-60N18PG02-04
No current priceFs220 Hz +4%
Qts1.10 –
Vas0.24 L +4660%, worse
BL1.9 T·m −51%, worse
Xmax1.6 mm +5%
Sensitivity84.3 dB +17.3, better
VisatonSC 5.9 - 8 OHM
No current priceFs193 Hz −9%
Qts1.25 +14%, worse
Vas0.4 L +7900%, worse
BL2.5 T·m −35%, worse
Xmax1.5 mm –
Sensitivity84.9 dB +17.9, better
WavecorFR084OM02
No current priceFs117 Hz −45%, better
Qts1.06 −4%
Vas1.1 L +21500%, worse
BL3.4 T·m −12%, worse
Xmax2.3 mm +50%, better
Sensitivity83.6 dB +16.6, better
Dayton AudioCE40P-8
No current priceFs228 Hz +7%
Qts1.17 +6%
Vas0.01 L +100%, worse
BL2.0 T·m −49%, worse
Xmax1.2 mm −20%, worse
Sensitivity70.6 dB +3.6, better
PeerlessTC8FD00-08
No current priceFs130 Hz −39%, better
Qts0.96 −13%, better
Vas1.0 L +20300%, worse
BL3.1 T·m −18%, worse
Xmax3.4 mm +127%, better
Sensitivity84.4 dB +17.4, better
WavecorFR055OM02
No current priceFs135 Hz −36%, better
Qts1.06 −4%
Vas0.35 L +6900%, worse
BL2.5 T·m −35%, worse
Xmax1 mm −33%, worse
Sensitivity80.5 dB +13.5, better
VisatonFRS 7 - 8 Ohm
No current priceFs250 Hz +18%, worse
Qts1.28 +16%, worse
Vas0.3 L +5900%, worse
BL2.1 T·m −46%, worse
Xmax1.5 mm –
Sensitivity85.6 dB +18.6, better
VisatonFR 58 - 8 Ohm
No current priceFs190 Hz −10%, better
Qts0.98 −11%, better
Vas0.18 L +3500%, worse
BL2.3 T·m −41%, worse
Xmax2.5 mm +67%, better
Sensitivity80.8 dB +13.8, 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 51 rating · Checked 2 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 |
|---|---|---|---|---|
SoundImports | £23.86, the lowest price | 4 in stock | Visit shop at SoundImports | |
Audiophonics | £22.97 | Available on order | Visit shop at Audiophonics |
Best price over time
Tracked since 1 Apr