Dayton AudioPC68-8
£11.48 · 4% moreFs109 Hz –
Qts0.64 –
Vas1.3 L +149%, worse
BL3.3 T·m +6%
Xmax2 mm −50%, worse
Sensitivity84.8 dB +3.3, better
2.5-inch LF driver · 20 W
Dayton Audio CE70PR-4 4Ω
4 Ω · 85–13000 Hz
£11.06
8.9%SoundImports · 7 in stock · All 2 offers
- Fs
- 109Hz
- Xmax
- 4mm
- SPL
- 82dB
- Pe
- 20W
- BL
- 3.1T·m
- Vd
- 10cm³
- Qts
- 0.63
- Vas
- 0.52L
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 2 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
188 plotted pointsMedium confidence1,081 selected pixels of 1,427 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence3,575 selected pixels of 3,575
Dayton Audio CE70PR-4 is a 2.5-inch 4 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 109 Hz, Qts 0.63, Vas 0.5 L, Xmax 4 mm, sensitivity 81.5 dB, plus 10 cm³ Vd and 142 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £11.06.
The published T/S values agree with each other
Thiele/Small
- Fs
- 109Hz
- Qts
- 0.63
- Qes
- 0.77
- Qms
- 3.5
- Vas
- 0.5L
- Re
- 3.1Ω
- Le
- 0.31mH
Motor and cone
- BL
- 3.1T·m
- Sd
- 25cm²
- Mms
- 4g
- Xmax
- 4mm
- Vd †
- 10cm³
Power and response
- Sensitivity †
- 81.5dB
- Manufacturer sensitivity
- 85dB
- Power
- 20W
- Impedance
- 4Ω
- Range
- 85–13000Hz
- EBP †
- 142 · Leans vented
Size and mounting
- Diameter
- 70mm
- Cutout
- 63.8mm
- Depth
- 41.2mm
- Weight
- 0.36kg
Other published values
- Cms
- 0.61mm/N
- Power Peak
- 40
Sensitivity shows 81.5 dB, calculated from the T/S values. Dayton Audio publishes 85.0 dB, 3.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 2.5″
- BL
- 3.1T·m
- Fs
- 109Hz
- Le
- 0.31mH
- Re
- 3.1Ω
- Sd
- 25cm²
- Cms
- 0.61mm/N
- Mms
- 4g
- Qes
- 0.77
- Qms
- 3.5
- Qts
- 0.63
- SPL
- 81.5dB
- Vas
- 0.5L
- Xmax
- 4mm
- Power
- 20W
- Impedance
- 4Ω
- Power Peak
- 40
- Sensitivity
- 85dB
- Low limit
- 85Hz
- Calculated sensitivity †
- 81.5dB
- High limit
- 13000Hz
- Manufacturer sensitivity
- 85dB
- Weight
- 0.36kg
- Diameter
- 70mm
- Depth
- 41.2mm
- Cutout
- 63.8mm
02
Compare
Same-size drivers, compared with the CE70PR-4. Clear differences are green when better and red when worse.
This driverCE70PR-4
Best price
£11.06
Fs
109 Hz
Qts
0.63
Vas
0.5 L
BL
3.1 T·m
Xmax
4 mm
Sensitivity
81.5 dB
Power
20 W
Dayton AudioPC68-4
£11.48 · 4% moreFs117 Hz +7%
Qts0.65 +3%
Vas0.7 L +34%, worse
BL2.4 T·m −23%, worse
Xmax2 mm −50%, worse
Sensitivity83.1 dB +1.6
FaitalPRO2FE24
£12.43 · 12% more, worseFs170 Hz +56%, worse
Qts0.69 +10%
Vas0.2 L −62%, better
BL3.2 T·m –
Xmax1.9 mm −53%, worse
Sensitivity82.7 dB +1.2
Dayton AudioPC83-8
£13.36 · 21% more, worseFs82 Hz −25%, better
Qts0.63 –
Vas1.7 L +225%, worse
BL3.5 T·m +13%, better
Xmax2 mm −50%, worse
Sensitivity83 dB +1.5
LavoceWSF030.70
£13.83 · 25% more, worseFs112 Hz –
Qts0.61 −3%
Vas0.9 L +70%, worse
BL4.7 T·m +50%, better
Xmax3.3 mm −18%, worse
Sensitivity84.5 dB +3, better
PeerlessGBS-85N25PR07-04
£14.73 · 33% more, worseFs130 Hz +19%, worse
Qts0.70 +11%, worse
Vas0.47 L −11%, better
BL4.5 T·m +44%, better
Xmax3.0 mm −26%, worse
Sensitivity83.1 dB +1.6
VisatonFRS 7 W
£14.93 · 35% more, worseFs160 Hz +47%, worse
Qts0.63 –
Vas0.8 L +49%, worse
BL2.5 T·m −20%, worse
Xmax2.5 mm −38%, worse
Sensitivity87.5 dB +6, better
REDCATT25NFR
£20.02 · 81% more, worseFs123 Hz +13%, worse
Qts0.71 +13%, worse
Vas0.46 L −12%, better
BL4 T·m +29%, better
Xmax2.6 mm −34%, worse
Sensitivity82.3 dB +0.8
CIAREPA087
£24.76 · 124% more, worseFs74 Hz −32%, better
Qts0.62 –
Vas2.2 L +321%, worse
BL3.5 T·m +11%, better
Xmax2 mm −50%, worse
Sensitivity83 dB +1.5
Dayton AudioND90-4
£25.53 · 131% more, worseFs90 Hz −17%, better
Qts0.63 –
Vas1.1 L +103%, worse
BL3.5 T·m +12%, better
Xmax4 mm –
Sensitivity82.4 dB +0.9
Dayton AudioND65-8
£25.53 · 131% more, worseFs102 Hz −6%
Qts0.65 +3%
Vas0.36 L −31%, better
BL4.2 T·m +35%, better
Xmax3.5 mm −13%, worse
Sensitivity79.3 dB −2.2, worse
SB AcousticsSB65WBAC25-4
£25.61 · 132% more, worseFs115 Hz +6%
Qts0.68 +8%
Vas0.43 L −18%, better
BL2.9 T·m −7%
Xmax5.3 mm +32%, better
Sensitivity81.3 dB –
Dayton AudioND90-8
£26.38 · 139% more, worseFs71 Hz −35%, better
Qts0.65 +3%
Vas1.8 L +238%, worse
BL4.3 T·m +38%, better
Xmax4 mm –
Sensitivity81.2 dB –
Tang BandW3-871SC
£31.50 · 185% more, worseFs110 Hz –
Qts0.59 −6%
Vas1.6 L +215%, worse
BL3.5 T·m +13%, better
Xmax0.5 mm −88%, worse
Sensitivity86.9 dB +5.4, better
Dayton AudioND65-4
£34.11 · 208% more, worseFs90 Hz −18%, better
Qts0.61 −3%
Vas0.53 L –
BL2.7 T·m −14%, worse
Xmax3.5 mm −13%, worse
Sensitivity79.5 dB −2, worse
WavecorWF095WA01
£41.56 · 276% more, worseFs89 Hz −18%, better
Qts0.64 –
Vas1.5 L +187%, worse
BL3 T·m −4%
Xmax2.7 mm −32%, worse
Sensitivity83.8 dB +2.3, better
WavecorWF095WA02
£41.56 · 276% more, worseFs86 Hz −21%, better
Qts0.62 –
Vas1.6 L +206%, worse
BL3.6 T·m +16%, better
Xmax2.7 mm −32%, worse
Sensitivity83.7 dB +2.2, better
Tang BandW3-1364SA
£51.23 · 363% more, worseFs105 Hz −4%
Qts0.59 −6%
Vas1.9 L +259%, worse
BL3.1 T·m –
Xmax0.5 mm −88%, worse
Sensitivity86.5 dB +5, better
Scanspeak5F/8422T01
£55.45 · 402% more, worseFs93 Hz −15%, better
Qts0.61 −3%
Vas0.5 L −4%
BL3.1 T·m –
Xmax2 mm −50%, worse
Sensitivity79.7 dB −1.8
MarkaudioALPAIR 7 MS
£59.72 · 440% more, worseFs75 Hz −31%, better
Qts0.56 −10%, better
Vas5.0 L +850%, worse
BL3.9 T·m +24%, better
Xmax4.5 mm +13%, better
Sensitivity86.5 dB +5, better
WavecorFR070WA01
£82.81 · 649% more, worseFs121 Hz +11%, worse
Qts0.56 −11%, better
Vas0.54 L +3%
BL3 T·m −4%
Xmax2 mm −50%, worse
Sensitivity84.2 dB +2.7, better
Dayton AudioCFC100-4
No current priceFs94 Hz −14%, better
Qts0.60 −5%
Vas0.8 L +59%, worse
BL3.1 T·m –
Xmax2.5 mm −38%, worse
Sensitivity81.7 dB –
LavoceFSN021.02
No current priceFs151 Hz +39%, worse
Qts0.68 +8%
Vas0.3 L −43%, better
BL3.4 T·m +11%, better
Xmax2.3 mm −43%, worse
Sensitivity83.3 dB +1.8
CIARECM087
No current priceFs122 Hz +12%, worse
Qts0.64 –
Vas1.2 L +129%, worse
BL2.9 T·m −8%
Xmax1.5 mm −63%, worse
Sensitivity86.4 dB +4.9, better
No photo
Tang BandW3-582SC
No current priceFs100 Hz −8%
Qts0.65 +3%
Vas1.6 L +196%, worse
BL3.5 T·m +12%, better
Xmax0.2 mm −95%, worse
Sensitivity85.2 dB +3.7, better
Tang BandW3-532SQ
No current priceFs100 Hz −8%
Qts0.61 −3%
Vas1.7 L +221%, worse
BL3.5 T·m +14%, better
Xmax0.2 mm −95%, worse
Sensitivity85.9 dB +4.4, better
Tang BandW3-583SE
No current priceFs100 Hz −8%
Qts0.56 −11%, better
Vas2.5 L +370%, worse
BL3.0 T·m −4%
Xmax0.25 mm −94%, worse
Sensitivity87.5 dB +6, better
VisatonFRS 7 W - 8 Ohm
No current priceFs160 Hz +47%, worse
Qts0.63 –
Vas0.8 L +49%, worse
BL2.5 T·m −20%, worse
Xmax2.5 mm −38%, worse
Sensitivity87.5 dB +6, better
PeerlessPLS-75F25AL02-08
No current priceFs100 Hz −8%
Qts0.74 +17%, worse
Vas1.1 L +107%, worse
BL3.6 T·m +15%, better
Xmax3.4 mm −16%, worse
Sensitivity83.1 dB +1.6
Tang BandW3-582A
No current priceFs100 Hz −8%
Qts0.60 −5%
Vas1.8 L +238%, worse
BL3.6 T·m +14%, better
Xmax0.25 mm −94%, worse
Sensitivity86.2 dB +4.7, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.3 out of 54 ratings · 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 | £11.06, the lowest price | 7 in stock | Visit shop at SoundImports | |
Audiophonics | £10.16 | Available on order | Visit shop at Audiophonics |
Best price over time
Tracked since 1 Apr