Dayton AudioDS90-8
£16.65Fs81 Hz −35%, better
Qts0.43 –
Vas1.3 L −13%, better
BL4.8 T·m +11%, better
Xmax2.5 mm +32%, better
Sensitivity83.3 dB −6.3, worse
4-inch LF driver · CX series · 25 mm voice coil · 40 W
CIARE CX102 4Ω
4 Ω
No price for delivery to the UK
- Fs
- 125Hz
- Xmax
- 1.9mm
- SPL
- 90dB
- Pe
- 40W
- BL
- 4.3T·m
- Vd
- 10cm³
- Qts
- 0.43
- Vas
- 2L
CIARE CX102 is a 4-inch 4 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 125 Hz, Qts 0.43, Vas 1.5 L, Xmax 1.9 mm, sensitivity 89.6 dB, plus 10 cm³ Vd and 245 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 125Hz
- Qts
- 0.43
- Qes
- 0.51
- Qms
- 3.0
- Vas
- 1.5L
- Re
- 3.1Ω
Motor and cone
- BL
- 4.3T·m
- Sd
- 50cm²
- Mms
- 4g
- Xmax
- 1.9mm
- Vd †
- 10cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 89.6dB
- Manufacturer sensitivity
- 89dB
- Power
- 40W
- Nominal power
- 40W
- Impedance
- 4Ω
- EBP †
- 245 · Leans vented
Size and mounting
- Diameter
- 100.5mm
- Cutout
- 91mm
- Bolt circle
- 116mm
- Depth
- 54mm
- Weight
- 0.7kg
Other published values
- Cms
- 0.42mm/N
- Power Program
- 100
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF · Primary · 4″
- BL
- 4.3T·m
- Fs
- 125Hz
- Re
- 3.1Ω
- Sd
- 50cm²
- Cms
- 0.42mm/N
- Mms
- 4g
- Qes
- 0.51
- Qms
- 3.0
- Qts
- 0.43
- SPL
- 89.6dB
- Vas
- 1.5L
- Xmax
- 1.9mm
- Power
- 40W
- Impedance
- 4Ω
- Sensitivity
- 89dB
- Nominal power
- 40W
- Power Program
- 100
- Calculated sensitivity †
- 89.6dB
- Manufacturer sensitivity
- 89dB
- Voice coil
- 25mm
- Weight
- 0.7kg
- Diameter
- 100.5mm
- Depth
- 54mm
- Cutout
- 91mm
- Bolt circle
- 116mm
02
Compare
Same-size drivers, compared with the CX102. Clear differences are green when better and red when worse.
This driverCX102
Best price
–
Fs
125 Hz
Qts
0.43
Vas
1.5 L
BL
4.3 T·m
Xmax
1.9 mm
Sensitivity
89.6 dB
Power
40 W
FaitalPRO3FE22
£18.20Fs110 Hz −12%, better
Qts0.36 −16%, better
Vas1.3 L −13%, better
BL3.7 T·m −14%, worse
Xmax1.7 mm −9%
Sensitivity88.4 dB −1.2
Dayton AudioND91-4
£21.19Fs74 Hz −41%, better
Qts0.41 −5%
Vas1.4 L −7%
BL4.6 T·m +7%
Xmax4.6 mm +142%, better
Sensitivity83 dB −6.6, worse
Dayton AudioND91-8
£21.19Fs71 Hz −43%, better
Qts0.47 +9%
Vas1.5 L –
BL5.6 T·m +31%, better
Xmax5.1 mm +168%, better
Sensitivity82.1 dB −7.5, worse
Sica3.5 L 1 SL
£23.62Fs108 Hz −14%, better
Qts0.57 +33%, worse
Vas1.4 L −7%
BL4.3 T·m –
Xmax1.5 mm −21%, worse
Sensitivity86.6 dB −3, worse
Sica4 E 1 CS
£24.12Fs118 Hz −6%
Qts0.39 −9%
Vas1.3 L −13%, better
BL5.8 T·m +34%, better
Xmax2.2 mm +16%, better
Sensitivity88.4 dB −1.2
PeerlessSLS-85S25CP04-04
£25.35Fs73 Hz −42%, better
Qts0.36 −16%, better
Vas1.4 L −5%
BL4.3 T·m –
Xmax6.5 mm +242%, better
Sensitivity83.6 dB −6, worse
LavoceFSN030.72
£31.05Fs127 Hz –
Qts0.41 −5%
Vas1.1 L −25%, better
BL5.0 T·m +16%, better
Xmax2.1 mm +11%, better
Sensitivity89.3 dB –
CIARECM100
£40.61Fs160 Hz +28%, worse
Qts0.43 –
Vas1.8 L +20%, worse
BL4.1 T·m −5%
Xmax1.9 mm –
Sensitivity93.5 dB +3.9, better
MonacorSPH-30X/8SW
£57.94Fs105 Hz −16%, better
Qts0.42 –
Vas1.3 L −13%, better
BL4.5 T·m +4%
Xmax2 mm +5%
Sensitivity86.9 dB −2.7, worse
Scanspeak10F/8414G10
£73.39Fs100 Hz −20%, better
Qts0.51 +19%, worse
Vas1.6 L +5%
BL4.3 T·m –
Xmax2.3 mm +21%, better
Sensitivity85.9 dB −3.7, worse
WavecorWF118WA05
£83.80Fs65 Hz −48%, better
Qts0.46 +7%
Vas3.5 L +133%, worse
BL4.3 T·m –
Xmax3 mm +58%, better
Sensitivity85 dB −4.6, worse
Beyma5G40ND
£91.60Fs140 Hz +12%, worse
Qts0.45 +5%
Vas1.4 L −7%
BL10 T·m +133%, better
Xmax3 mm +58%, better
Sensitivity90.6 dB +1
Tang BandW4-1879
£211.61Fs55 Hz −56%, better
Qts0.43 –
Vas9.1 L +508%, worse
BL4.2 T·m –
Xmax5 mm +163%, better
Sensitivity86.8 dB −2.8, worse
CIAREFXI3.21
No current priceFs90 Hz −28%, better
Qts0.44 –
Vas1.8 L +20%, worse
BL3.7 T·m −14%, worse
Xmax2 mm +5%
Sensitivity86.3 dB −3.3, worse
Tang BandW4-1129E
No current priceFs120 Hz −4%
Qts0.44 –
Vas1.7 L +15%, worse
BL5.2 T·m +21%, better
Xmax1.8 mm −5%
Sensitivity90.1 dB +0.5
CIARENDI3.21
No current priceFs90 Hz −28%, better
Qts0.38 −12%, better
Vas1.8 L +20%, worse
BL4 T·m −7%
Xmax2 mm +5%
Sensitivity86.8 dB −2.8, worse
MonacorSPH-30X/4SW
No current priceFs105 Hz −16%, better
Qts0.42 –
Vas1.1 L −27%, better
BL3.9 T·m −9%
Xmax2 mm +5%
Sensitivity87.2 dB −2.4, worse
Dayton AudioDMA80-4
No current priceFs94 Hz −25%, better
Qts0.41 −5%
Vas1.4 L −6%
BL3.7 T·m −14%, worse
Xmax2.5 mm +32%, better
Sensitivity85.6 dB −4, worse
CIARENDI3.25
No current priceFs77 Hz −38%, better
Qts0.40 −7%
Vas1.7 L +13%, worse
BL4.2 T·m –
Xmax3.9 mm +105%, better
Sensitivity84.1 dB −5.5, worse
Tang BandW3-316B
No current priceFs100 Hz −20%, better
Qts0.44 –
Vas1.9 L +26%, worse
BL4.1 T·m −4%
Xmax1.2 mm −37%, worse
Sensitivity88 dB −1.6
CIARECM132
No current priceFs115 Hz −8%
Qts0.43 –
Vas3.8 L +153%, worse
BL4.4 T·m +3%
Xmax1.6 mm −16%, worse
Sensitivity92.2 dB +2.6, better
WavecorSW084OM01
No current priceFs74 Hz −41%, better
Qts0.44 –
Vas1.7 L +13%, worse
BL3.6 T·m −17%, worse
Xmax4.5 mm +137%, better
Sensitivity83.8 dB −5.8, worse
Tang BandW3-926SD
No current priceFs110 Hz −12%, better
Qts0.46 +7%
Vas1.9 L +26%, worse
BL3.8 T·m −10%, worse
Xmax0.75 mm −61%, worse
Sensitivity89 dB −0.6
PeerlessTG9FC02-04
No current priceFs150 Hz +20%, worse
Qts0.43 –
Vas0.84 L −44%, better
BL3.9 T·m −10%, worse
Xmax3.0 mm +59%, better
Sensitivity89.4 dB –
WavecorMR120BD02
No current priceFs70 Hz −44%, better
Qts0.44 –
Vas3.2 L +113%, worse
BL4.2 T·m –
Xmax1.5 mm −21%, worse
Sensitivity85.8 dB −3.8, worse
WavecorMR120BD01
No current priceFs72 Hz −42%, better
Qts0.45 +5%
Vas3.1 L +107%, worse
BL4.2 T·m –
Xmax1.5 mm −21%, worse
Sensitivity85.9 dB −3.7, worse
CIARECX131
No current priceFs83 Hz −34%, better
Qts0.43 –
Vas6.8 L +353%, worse
BL4.6 T·m +7%
Xmax3.5 mm +84%, better
Sensitivity91 dB +1.4
Dayton AudioCFC120-4
No current priceFs57 Hz −54%, better
Qts0.45 +5%
Vas4.5 L +197%, worse
BL4.2 T·m –
Xmax2.5 mm +32%, better
Sensitivity83.9 dB −5.7, worse
Tang BandW5-1611SDF
No current priceFs60 Hz −52%, better
Qts0.41 −5%
Vas15.2 L +913%, worse
BL4.3 T·m –
Xmax3 mm +58%, better
Sensitivity90.5 dB +0.9
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 |
|---|---|---|---|---|
Lean Audio | £30.35 | Back order | Visit shop at Lean Audio | |
Blue Aran Not currently listed · Last seen 17 May 2026 | £30.50 | Stock not listed | Visit shop at Blue Aran |