Dayton AudioCE70PR-4
£9.96 · 60% less, betterFs109 Hz +21%, worse
Qts0.63 –
Vas0.5 L −51%, better
BL3.1 T·m −10%, worse
Xmax4 mm –
Sensitivity81.5 dB −0.9
3.5-inch LF driver · 20 W
Dayton Audio ND90-4 4Ω
4 Ω · 80–15000 Hz
£25.04
18%Audiophonics · In stock · Ships from France · All 4 offers
- Fs
- 90Hz
- Xmax
- 4mm
- SPL
- 82dB
- Pe
- 20W
- BL
- 3.5T·m
- Vd
- 12cm³
- Qts
- 0.63
- Vas
- 1L
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 4 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
218 plotted pointsMedium confidence582 selected pixels of 866 - Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
208 plotted pointsMedium confidence519 selected pixels of 888 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
188 plotted pointsMedium confidence570 selected pixels of 1,037 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,344 selected pixels of 1,344
Dayton Audio ND90-4 is a 3.5-inch 4 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 90 Hz, Qts 0.63, Vas 1.1 L, Xmax 4 mm, sensitivity 82.4 dB, plus 12 cm³ Vd and 125 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 £25.04.
The published T/S values agree with each other
Thiele/Small
- Fs
- 90Hz
- Qts
- 0.63
- Qes
- 0.72
- Qms
- 5.1
- Vas
- 1.1L
- Re
- 3.6Ω
- Le
- 0.62mH
Motor and cone
- BL
- 3.5T·m
- Sd
- 31cm²
- Mms
- 4g
- Xmax
- 4mm
- Vd †
- 12cm³
Power and response
- Sensitivity †
- 82.4dB
- Manufacturer sensitivity
- 85.7dB
- Power
- 20W
- Impedance
- 4Ω
- Range
- 80–15000Hz
- EBP †
- 125 · Leans vented
Size and mounting
- Diameter
- 103.5mm
- Cutout
- 85mm
- Depth
- 60.8mm
- Weight
- 0.25kg
Other published values
- Cms
- 0.73mm/N
- Power Peak
- 40
Sensitivity shows 82.4 dB, calculated from the T/S values. Dayton Audio publishes 85.7 dB, 3.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 3.5″
- BL
- 3.5T·m
- Fs
- 90Hz
- Le
- 0.62mH
- Re
- 3.6Ω
- Sd
- 31cm²
- Cms
- 0.73mm/N
- Mms
- 4g
- Qes
- 0.72
- Qms
- 5.1
- Qts
- 0.63
- SPL
- 82.4dB
- Vas
- 1.1L
- Xmax
- 4mm
- Power
- 20W
- Impedance
- 4Ω
- Power Peak
- 40
- Sensitivity
- 85.7dB
- Low limit
- 80Hz
- Calculated sensitivity †
- 82.4dB
- High limit
- 15000Hz
- Manufacturer sensitivity
- 85.7dB
- Weight
- 0.25kg
- Diameter
- 103.5mm
- Depth
- 60.8mm
- Cutout
- 85mm
02
Compare
Same-size drivers, compared with the ND90-4. Clear differences are green when better and red when worse.
This driverND90-4
Best price
£25.04
Fs
90 Hz
Qts
0.63
Vas
1.1 L
BL
3.5 T·m
Xmax
4 mm
Sensitivity
82.4 dB
Power
20 W
Dayton AudioPC68-8
£11.26 · 55% less, betterFs109 Hz +21%, worse
Qts0.64 –
Vas1.3 L +23%, worse
BL3.3 T·m −5%
Xmax2 mm −50%, worse
Sensitivity84.8 dB +2.4, better
GRS4SMP-8
£11.96 · 52% less, betterFs63 Hz −30%, better
Qts0.65 +3%
Vas4 L +277%, worse
BL4.2 T·m +21%, better
Xmax4 mm –
Sensitivity82.8 dB –
Dayton AudioPC83-8
£13.10 · 48% less, betterFs82 Hz −9%
Qts0.63 –
Vas1.7 L +60%, worse
BL3.5 T·m –
Xmax2 mm −50%, worse
Sensitivity83 dB +0.6
LavoceWSF030.70
£13.56 · 46% less, betterFs112 Hz +24%, worse
Qts0.61 −3%
Vas0.9 L −16%, better
BL4.7 T·m +34%, better
Xmax3.3 mm −18%, worse
Sensitivity84.5 dB +2.1, better
MonacorSPX-31M
£19.26 · 23% less, betterFs110 Hz +22%, worse
Qts0.58 −8%
Vas1.3 L +23%, worse
BL3.6 T·m +5%
Xmax1.1 mm −73%, worse
Sensitivity86 dB +3.6, better
Dayton AudioPS95-8
£22.10 · 12% less, betterFs120 Hz +33%, worse
Qts0.72 +14%, worse
Vas0.9 L −11%, better
BL3.8 T·m +10%, better
Xmax2.5 mm −38%, worse
Sensitivity85.1 dB +2.7, better
CIAREPA087
£24.28 · 3% lessFs74 Hz −18%, better
Qts0.62 –
Vas2.2 L +108%, worse
BL3.5 T·m –
Xmax2 mm −50%, worse
Sensitivity83 dB +0.6
LavoceFSN030.71
£24.69 · 1% lessFs134 Hz +49%, worse
Qts0.67 +6%
Vas1.0 L –
BL3.8 T·m +10%, better
Xmax2.1 mm −48%, worse
Sensitivity87.3 dB +4.9, better
Dayton AudioND65-4
£25.04 · Same priceFs90 Hz –
Qts0.61 −3%
Vas0.53 L −50%, better
BL2.7 T·m −23%, worse
Xmax3.5 mm −13%, worse
Sensitivity79.5 dB −2.9, worse
Dayton AudioND65-8
£25.04 · Same priceFs102 Hz +13%, worse
Qts0.65 +3%
Vas0.36 L −66%, better
BL4.2 T·m +21%, better
Xmax3.5 mm −13%, worse
Sensitivity79.3 dB −3.1, worse
Dayton AudioND90-8
£25.87 · 3% moreFs71 Hz −22%, better
Qts0.65 +3%
Vas1.8 L +67%, worse
BL4.3 T·m +24%, better
Xmax4 mm –
Sensitivity81.2 dB −1.2
Dayton AudioRS100-4
£29.91 · 19% more, worseFs85 Hz −6%
Qts0.53 −16%, better
Vas1.4 L +37%, worse
BL3.2 T·m −8%
Xmax4 mm –
Sensitivity83.3 dB +0.9
Dayton AudioRS100-8
£29.91 · 19% more, worseFs92 Hz –
Qts0.58 −8%
Vas1.4 L +35%, worse
BL4.2 T·m +21%, better
Xmax3.5 mm −13%, worse
Sensitivity83.7 dB +1.3
Dayton AudioRS100P-4
£29.91 · 19% more, worseFs85 Hz −6%
Qts0.54 −14%, better
Vas1.9 L +75%, worse
BL3.0 T·m −15%, worse
Xmax4 mm –
Sensitivity84.3 dB +1.9
Dayton AudioRS100P-8
£29.91 · 19% more, worseFs96 Hz +6%
Qts0.54 −14%, better
Vas1.8 L +72%, worse
BL4.0 T·m +14%, better
Xmax3.7 mm −7%
Sensitivity85.5 dB +3.1, better
Dayton AudioND105-4
£30.48 · 22% more, worseFs79 Hz −13%, better
Qts0.61 −3%
Vas2.0 L +86%, worse
BL4.5 T·m +30%, better
Xmax4 mm –
Sensitivity83.7 dB +1.3
Dayton AudioND105-8
£30.48 · 22% more, worseFs67 Hz −26%, better
Qts0.66 +5%
Vas3.0 L +180%, worse
BL5.4 T·m +57%, better
Xmax4 mm –
Sensitivity82.8 dB –
Tang BandW3-871SC
£30.90 · 23% more, worseFs110 Hz +22%, worse
Qts0.59 −6%
Vas1.6 L +56%, worse
BL3.5 T·m –
Xmax0.5 mm −88%, worse
Sensitivity86.9 dB +4.5, better
MarkaudioCHN-70
£33.49 · 34% more, worseFs72 Hz −21%, better
Qts0.48 −24%, better
Vas5.3 L +401%, worse
BL3.4 T·m –
Xmax4 mm –
Sensitivity86.8 dB +4.4, better
WavecorWF095WA02
£41.14 · 64% more, worseFs86 Hz −5%
Qts0.62 –
Vas1.6 L +51%, worse
BL3.6 T·m +4%
Xmax2.7 mm −32%, worse
Sensitivity83.7 dB +1.3
WavecorWF095WA01
£41.14 · 64% more, worseFs89 Hz –
Qts0.64 –
Vas1.5 L +42%, worse
BL3 T·m −14%, worse
Xmax2.7 mm −32%, worse
Sensitivity83.8 dB +1.4
MarkaudioPLUVIA 7 PHD
£46.05 · 84% more, worseFs78 Hz −14%, better
Qts0.54 −15%, better
Vas4.5 L +324%, worse
BL2.9 T·m −16%, worse
Xmax4 mm –
Sensitivity87.1 dB +4.7, better
MarkaudioALPAIR 7 MS
£58.61 · 134% more, worseFs75 Hz −17%, better
Qts0.56 −10%, better
Vas5.0 L +369%, worse
BL3.9 T·m +11%, better
Xmax4.5 mm +13%, better
Sensitivity86.5 dB +4.1, better
PeerlessPLS-75F25AL02-08
No current priceFs100 Hz +11%, worse
Qts0.74 +17%, worse
Vas1.1 L –
BL3.6 T·m +3%
Xmax3.4 mm −16%, worse
Sensitivity83.1 dB +0.7
Dayton AudioCFC100-4
No current priceFs94 Hz +4%
Qts0.60 −5%
Vas0.8 L −21%, better
BL3.1 T·m −9%
Xmax2.5 mm −38%, worse
Sensitivity81.7 dB −0.7
CIARECM087
No current priceFs122 Hz +35%, worse
Qts0.64 –
Vas1.2 L +13%, worse
BL2.9 T·m −18%, worse
Xmax1.5 mm −63%, worse
Sensitivity86.4 dB +4, better
Tang BandW3-532SQ
No current priceFs100 Hz +11%, worse
Qts0.61 −3%
Vas1.7 L +58%, worse
BL3.5 T·m –
Xmax0.2 mm −95%, worse
Sensitivity85.9 dB +3.5, better
REDCATT35FR-2
No current priceFs128 Hz +42%, worse
Qts0.63 –
Vas1.1 L +8%
BL4.8 T·m +38%, better
Xmax2.4 mm −41%, worse
Sensitivity87.5 dB +5.1, better
MonacorSP-45/8
No current priceFs120 Hz +33%, worse
Qts0.55 −13%, better
Vas1.5 L +42%, worse
BL3.4 T·m –
Xmax0.75 mm −81%, worse
Sensitivity87.8 dB +5.4, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.8 out of 56 ratings · Checked 25 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 |
|---|---|---|---|---|
Audiophonics Import VAT and duty may apply | £25.04, the lowest price | In stock | Visit shop at Audiophonics | |
RumoH Import VAT and duty may apply | £30.46 | 22% above the lowest price | Stock not listed | Visit shop at RumoH |
SoundImports Import VAT and duty may apply | £37.64 | 50% above the lowest price | Back order | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 20 AprSoundImports£32.19 → £37.64Up 17% from £32.19