Dayton AudioCE70-30P-8
£4.63 · 7% less, betterFs371 Hz −19%, better
Qts2.83 +233%, worse
Vas0.04 L +567%, worse
BL1.6 T·m –
Xmax0.8 mm +129%, better
Sensitivity77.6 dB −1
1-inch LF driver · 2 W
Dayton Audio CE28N-4 4Ω
4 Ω · 400–20000 Hz
£4.98
SteadySoundImports · 3 in stock · Ships from Netherlands · All 1 offer
- Fs
- 456Hz
- Xmax
- 0.35mm
- SPL
- 79dB
- Pe
- 2W
- BL
- 1.6T·m
- Vd
- 0.11cm³
- Qts
- 0.85
- Vas
- 0.006L
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 confidence3,080 selected pixels of 3,080
Dayton Audio CE28N-4 is a 1-inch 4 ohm LF driver rated at 2 W RMS. The validated T/S data includes Fs 456 Hz, Qts 0.85, Vas 0.006 L, Xmax 0.35 mm, sensitivity 78.6 dB, plus 0 cm³ Vd and 368 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 £4.98.
The published T/S values agree with each other
Thiele/Small
- Fs
- 456Hz
- Qts
- 0.85
- Qes
- 1.24
- Qms
- 2.7
- Vas
- 0.006L
- Re
- 3.8Ω
- Le
- 0.06mH
Motor and cone
- BL
- 1.6T·m
- Sd
- 3cm²
- Mms
- 0.42g
- Xmax
- 0.35mm
- Vd †
- 0.11cm³
Power and response
- Sensitivity †
- 78.6dB
- Manufacturer sensitivity
- 81dB
- Power
- 2W
- Impedance
- 4Ω
- Range
- 400–20000Hz
- EBP †
- 368 · Leans vented
Size and mounting
- Diameter
- 28mm
- Cutout
- 21.5mm
- Depth
- 9.8mm
- Weight
- 22.7kg
Other published values
- Power Peak
- 4
Sensitivity shows 78.6 dB, calculated from the T/S values. Dayton Audio publishes 81.0 dB, 2.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 1″
- BL
- 1.6T·m
- Fs
- 456Hz
- Le
- 0.06mH
- Re
- 3.8Ω
- Sd
- 3cm²
- Mms
- 0.42g
- Qes
- 1.24
- Qms
- 2.7
- Qts
- 0.85
- SPL
- 78.6dB
- Vas
- 0.006L
- Xmax
- 0.35mm
- Power
- 2W
- Impedance
- 4Ω
- Power Peak
- 4
- Sensitivity
- 81dB
- Low limit
- 400Hz
- Calculated sensitivity †
- 78.6dB
- High limit
- 20000Hz
- Manufacturer sensitivity
- 81dB
- Weight
- 22.7kg
- Diameter
- 28mm
- Depth
- 9.8mm
- Cutout
- 21.5mm
02
Compare
Same-size drivers, compared with the CE28N-4. Clear differences are green when better and red when worse.
This driverCE28N-4
Best price
£4.98
Fs
456 Hz
Qts
0.85
Vas
0.006 L
BL
1.6 T·m
Xmax
0.35 mm
Sensitivity
78.6 dB
Power
2 W
Dayton AudioCE45N-4
£6.24 · 25% more, worseFs178 Hz −61%, better
Qts0.89 +5%
Vas0.084 L +1300%, worse
BL1.8 T·m +14%, better
Xmax1.1 mm +214%, better
Sensitivity78.3 dB –
Dayton AudioCE48-4
£6.61 · 33% more, worseFs151 Hz −67%, better
Qts0.95 +12%, worse
Vas0.068 L +1033%, worse
BL2.5 T·m +59%, better
Xmax1.2 mm +243%, better
Sensitivity75.6 dB −3, worse
VisatonSC 5.9
£8.37 · 68% more, worseFs193 Hz −58%, better
Qts1.25 +47%, worse
Vas0.4 L +6567%, worse
BL2.5 T·m +60%, better
Xmax0.5 mm +43%, better
Sensitivity84.9 dB +6.3, better
VisatonFRWS 5
£10.38 · 108% more, worseFs250 Hz −45%, better
Qts1.24 +46%, worse
Vas0.2 L +3233%, worse
BL1.1 T·m −29%, worse
Xmax0.35 mm –
Sensitivity83 dB +4.4, better
VisatonFRS 5
£10.72 · 115% more, worseFs270 Hz −41%, better
Qts1.15 +35%, worse
Vas0.16 L +2567%, worse
BL1.6 T·m –
Xmax0.6 mm +71%, better
Sensitivity84.4 dB +5.8, better
VisatonFRS 5 X
£11.52 · 131% more, worseFs190 Hz −58%, better
Qts0.70 −18%, better
Vas0.23 L +3733%, worse
BL2.7 T·m +71%, better
Xmax0.25 mm −29%, worse
Sensitivity84.6 dB +6, better
Dayton AudioCE140-30S-8
£11.59 · 133% more, worseFs105 Hz −77%, better
Qts1.04 +22%, worse
Vas0.4 L +6733%, worse
BL4.3 T·m +178%, better
Xmax2 mm +471%, better
Sensitivity77.5 dB −1.1
VisatonFRWS 5 R
£13.02 · 161% more, worseFs250 Hz −45%, better
Qts1.63 +92%, worse
Vas0.1 L +1567%, worse
BL1.4 T·m −10%, worse
Xmax0.35 mm –
Sensitivity78.9 dB –
REDCATT22NFR
£13.81 · 177% more, worseFs255 Hz −44%, better
Qts0.85 –
Vas0.08 L +1233%, worse
BL3.9 T·m +151%, better
Xmax0.75 mm +114%, better
Sensitivity83.3 dB +4.7, better
SB AcousticsSB36WBAC21-4
£13.94 · 180% more, worseFs200 Hz −56%, better
Qts0.41 −52%, better
Vas0.021 L +250%, worse
BL1.8 T·m +13%, better
Xmax1.8 mm +400%, better
Sensitivity74.1 dB −4.5, worse
VisatonFRS 5 XTS
£15.53 · 212% more, worseFs190 Hz −58%, better
Qts0.70 −18%, better
Vas0.23 L +3733%, worse
BL2.7 T·m +71%, better
Xmax0.25 mm −29%, worse
Sensitivity84.6 dB +6, better
Sica2 H 0.8 SL
£17.58 · 253% more, worseFs216 Hz −53%, better
Qts0.81 −5%
Vas0.1 L +1567%, worse
BL2.6 T·m +67%, better
Xmax1.4 mm +300%, better
Sensitivity82.1 dB +3.5, better
Dayton AudioDML25-4
£23.40 · 370% more, worseFs212 Hz −54%, better
Qts1.10 +29%, worse
Vas0.005 L −17%, better
BL3.9 T·m +147%, better
Xmax1.5 mm +329%, better
Sensitivity67 dB −11.6, worse
CelestionAN2075
£33.66 · 576% more, worseFs153 Hz −66%, better
Qts0.84 –
Vas1.5 L +25067%, worse
BL2.7 T·m +74%, better
Xmax2.3 mm +543%, better
Sensitivity89.4 dB +10.8, better
Dayton AudioRC180-55
£44.87 · 801% more, worseFs52 Hz −89%, better
Qts0.89 +5%
Vas2.0 L +33900%, worse
BL4.2 T·m +171%, better
Xmax4.7 mm +1243%, better
Sensitivity75.7 dB −2.9, worse
WavecorFR040WA02
£50.66 · 917% more, worseFs239 Hz −48%, better
Qts1.23 +45%, worse
Vas0.064 L +967%, worse
BL2 T·m +28%, better
Xmax0.5 mm +43%, better
Sensitivity79.9 dB +1.3
Dayton AudioRS52AN-8
£52.67 · 957% more, worseFs341 Hz −25%, better
Qts0.86 –
Vas0.13 L +2067%, worse
BL4.3 T·m +173%, better
Xmax1 mm +186%, better
Sensitivity88.4 dB +9.8, better
WavecorFR055WA01
£60.79 · 1120% more, worseFs142 Hz −69%, better
Qts0.91 +7%
Vas0.27 L +4400%, worse
BL2.1 T·m +34%, better
Xmax1.4 mm +286%, better
Sensitivity80.9 dB +2.3, better
WavecorFR040WA01
No current priceFs233 Hz −49%, better
Qts0.90 +6%
Vas0.064 L +967%, worse
BL1.7 T·m +7%
Xmax0.5 mm +43%, better
Sensitivity81.2 dB +2.6, better
WavecorFR055OM01
No current priceFs130 Hz −71%, better
Qts0.86 –
Vas0.35 L +5733%, worse
BL2 T·m +28%, better
Xmax1 mm +186%, better
Sensitivity81.1 dB +2.5, better
LavoceFSN020.72
No current priceFs210 Hz −54%, better
Qts0.92 +8%
Vas0.18 L +2900%, worse
BL3.2 T·m +104%, better
Xmax2.3 mm +557%, better
Sensitivity83.6 dB +5, better
Dayton AudioCE40-4
No current priceFs194 Hz −57%, better
Qts1.12 +32%, worse
Vas0.064 L +967%, worse
BL1.5 T·m −4%
Xmax0.7 mm +100%, better
Sensitivity77.1 dB −1.5
Dayton AudioCE67PR-4
No current priceFs218 Hz −52%, better
Qts0.92 +8%
Vas0.11 L +1733%, worse
BL3.2 T·m +106%, better
Xmax2.2 mm +529%, better
Sensitivity82.1 dB +3.5, better
LavoceFSN020.71F
No current priceFs212 Hz −54%, better
Qts0.82 −4%
Vas0.22 L +3567%, worse
BL3.2 T·m +108%, better
Xmax2.4 mm +586%, better
Sensitivity85.5 dB +6.9, better
WavecorFR055WA02
No current priceFs128 Hz −72%, better
Qts0.82 −4%
Vas0.33 L +5400%, worse
BL2.7 T·m +71%, better
Xmax1.4 mm +286%, better
Sensitivity80.8 dB +2.2, better
Tang BandW2-1803S
No current priceFs155 Hz −66%, better
Qts0.75 −12%, better
Vas0.25 L +4067%, worse
BL2.3 T·m +48%, better
Xmax0.7 mm +100%, better
Sensitivity81.6 dB +3, better
WavecorFR055OM02
No current priceFs135 Hz −70%, better
Qts1.06 +25%, worse
Vas0.35 L +5733%, worse
BL2.5 T·m +60%, better
Xmax1 mm +186%, better
Sensitivity80.5 dB +1.9
Tang BandW1-2370S
No current priceFs170 Hz −63%, better
Qts0.47 −45%, better
Vas0.051 L +750%, worse
BL1.5 T·m –
Xmax1 mm +186%, better
Sensitivity77.9 dB −0.7
Dayton AudioCE58N-10
No current priceFs177 Hz −61%, better
Qts0.69 −19%, better
Vas0.16 L +2533%, worse
BL4.2 T·m +167%, better
Xmax2.1 mm +500%, better
Sensitivity82 dB +3.4, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.5 out of 52 ratings · Checked 26 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 Import VAT and duty may apply | £4.98, the lowest price | 3 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr