Dayton AudioDS90-8
£16.44Fs81 Hz −49%, better
Qts0.43 –
Vas1.3 L −27%, better
BL4.8 T·m +16%, better
Xmax2.5 mm +32%, better
Sensitivity83.3 dB −10.2, worse
4-inch LF driver · CM series · 25 mm voice coil · 60 W
CIARE CM100 4Ω
4 Ω · 150–8000 Hz
No price for delivery to the UK
- Fs
- 160Hz
- Xmax
- 1.9mm
- SPL
- 94dB
- Pe
- 60W
- BL
- 4.1T·m
- Vd
- 9cm³
- Qts
- 0.43
- Vas
- 2L
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
frequency response
Frequency response
240 plotted pointsMedium confidence1,475 selected pixels of 1,712
CIARE CM100 is a 4-inch 4 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 160 Hz, Qts 0.43, Vas 1.8 L, Xmax 1.9 mm, sensitivity 93.5 dB, plus 9 cm³ Vd and 308 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
- 160Hz
- Qts
- 0.43
- Qes
- 0.52
- Qms
- 2.8
- Vas
- 1.8L
- Re
- 3.4Ω
- Le
- 0.18mH
Motor and cone
- BL
- 4.1T·m
- Sd
- 48cm²
- Mms
- 4g
- Xmax
- 1.9mm
- Vd †
- 9cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 93.5dB
- Manufacturer sensitivity
- 89dB
- Power
- 60W
- Nominal power
- 60W
- Impedance
- 4Ω
- Range
- 150–8000Hz
- EBP †
- 308 · Leans vented
Size and mounting
- Diameter
- 100.5mm
- Cutout
- 91mm
- Bolt circle
- 110mm
- Depth
- 55mm
- Weight
- 0.65kg
Other published values
- Cms
- 0.55mm/N
- Power Program
- 150
Sensitivity shows 93.5 dB, calculated from the T/S values. CIARE publishes 89.0 dB, 4.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else CIARE lists
LF · Primary · 4″
- BL
- 4.1T·m
- Fs
- 160Hz
- Le
- 0.18mH
- Re
- 3.4Ω
- Sd
- 48cm²
- Cms
- 0.55mm/N
- Mms
- 4g
- Qes
- 0.52
- Qms
- 2.8
- Qts
- 0.43
- SPL
- 93.5dB
- Vas
- 1.8L
- Xmax
- 1.9mm
- Power
- 60W
- Impedance
- 4Ω
- Sensitivity
- 89dB
- Low limit
- 150Hz
- Nominal power
- 60W
- Power Program
- 150
- Calculated sensitivity †
- 93.5dB
- High limit
- 8000Hz
- Manufacturer sensitivity
- 89dB
- Voice coil
- 25mm
- Weight
- 0.65kg
- Diameter
- 100.5mm
- Depth
- 55mm
- Cutout
- 91mm
- Bolt circle
- 110mm
02
Compare
Same-size drivers, compared with the CM100. Clear differences are green when better and red when worse.
This driverCM100
Best price
–
Fs
160 Hz
Qts
0.43
Vas
1.8 L
BL
4.1 T·m
Xmax
1.9 mm
Sensitivity
93.5 dB
Power
60 W
FaitalPRO3FE22
£18.20Fs110 Hz −31%, better
Qts0.36 −16%, better
Vas1.3 L −28%, better
BL3.7 T·m −10%
Xmax1.7 mm −9%
Sensitivity88.4 dB −5.1, worse
MonacorSP-60/8
£18.25Fs65 Hz −59%, better
Qts0.49 +14%, worse
Vas6 L +233%, worse
BL4.1 T·m –
Xmax2 mm +5%
Sensitivity86.1 dB −7.4, worse
Dayton AudioND91-4
£20.93Fs74 Hz −54%, better
Qts0.41 −5%
Vas1.4 L −22%, better
BL4.6 T·m +12%, better
Xmax4.6 mm +142%, better
Sensitivity83 dB −10.5, worse
VisatonW 100 S
£30.10Fs65 Hz −59%, better
Qts0.46 +7%
Vas4.5 L +149%, worse
BL3.7 T·m −10%
Xmax2 mm +5%
Sensitivity85.6 dB −7.9, worse
Tang BandW3-881SJF
£30.14Fs100 Hz −38%, better
Qts0.39 −9%
Vas1.9 L +5%
BL4.5 T·m +9%
Xmax0.5 mm −74%, worse
Sensitivity88.7 dB −4.8, worse
LavoceFSN030.72
£30.67Fs127 Hz −21%, better
Qts0.41 −5%
Vas1.1 L −38%, better
BL5.0 T·m +22%, better
Xmax2.1 mm +11%, better
Sensitivity89.3 dB −4.2, worse
VisatonW 130 S
£32.19Fs50 Hz −69%, better
Qts0.45 +5%
Vas14 L +678%, worse
BL3.6 T·m −12%, worse
Xmax2.3 mm +18%, better
Sensitivity87.1 dB −6.4, worse
Tang BandW3-315E
£32.19Fs100 Hz −38%, better
Qts0.52 +21%, worse
Vas1.7 L −7%
BL3.9 T·m −5%
Xmax1.3 mm −34%, worse
Sensitivity86.7 dB −6.8, worse
MonacorSPH-30X/8SW
£57.31Fs105 Hz −34%, better
Qts0.42 –
Vas1.3 L −28%, better
BL4.5 T·m +10%
Xmax2 mm +5%
Sensitivity86.9 dB −6.6, worse
VisatonB 100
£73.93Fs75 Hz −53%, better
Qts0.52 +21%, worse
Vas5.3 L +193%, worse
BL4.1 T·m –
Xmax1.6 mm −13%, worse
Sensitivity88.2 dB −5.3, worse
WavecorWF120BD05
£81.54Fs52 Hz −68%, better
Qts0.43 –
Vas5.3 L +194%, worse
BL4.1 T·m –
Xmax4 mm +111%, better
Sensitivity84.2 dB −9.3, worse
Tang BandW4-1720
£82.28Fs60 Hz −63%, better
Qts0.42 –
Vas5.9 L +229%, worse
BL3.8 T·m −7%
Xmax5 mm +163%, better
Sensitivity86 dB −7.5, worse
Tang BandW4-1879
£209.33Fs55 Hz −66%, better
Qts0.43 –
Vas9.1 L +407%, worse
BL4.2 T·m –
Xmax5 mm +163%, better
Sensitivity86.8 dB −6.7, worse
CIARECX102
No current priceFs125 Hz −22%, better
Qts0.43 –
Vas1.5 L −17%, better
BL4.3 T·m +5%
Xmax1.9 mm –
Sensitivity89.6 dB −3.9, worse
CIAREFXI3.21
No current priceFs90 Hz −44%, better
Qts0.44 –
Vas1.8 L –
BL3.7 T·m −10%
Xmax2 mm +5%
Sensitivity86.3 dB −7.2, worse
CIARENDI3.21
No current priceFs90 Hz −44%, better
Qts0.38 −12%, better
Vas1.8 L –
BL4 T·m –
Xmax2 mm +5%
Sensitivity86.8 dB −6.7, worse
Tang BandW4-1129E
No current priceFs120 Hz −25%, better
Qts0.44 –
Vas1.7 L −4%
BL5.2 T·m +26%, better
Xmax1.8 mm −5%
Sensitivity90.1 dB −3.4, worse
Tang BandW3-316B
No current priceFs100 Hz −38%, better
Qts0.44 –
Vas1.9 L +5%
BL4.1 T·m –
Xmax1.2 mm −37%, worse
Sensitivity88 dB −5.5, worse
Tang BandW3-926SD
No current priceFs110 Hz −31%, better
Qts0.46 +7%
Vas1.9 L +5%
BL3.8 T·m −6%
Xmax0.75 mm −61%, worse
Sensitivity89 dB −4.5, worse
CIARENDI3.25
No current priceFs77 Hz −52%, better
Qts0.40 −7%
Vas1.7 L −6%
BL4.2 T·m –
Xmax3.9 mm +105%, better
Sensitivity84.1 dB −9.4, worse
WavecorSW084OM01
No current priceFs74 Hz −54%, better
Qts0.44 –
Vas1.7 L −6%
BL3.6 T·m −13%, worse
Xmax4.5 mm +137%, better
Sensitivity83.8 dB −9.7, worse
Dayton AudioDMA80-4
No current priceFs94 Hz −42%, better
Qts0.41 −5%
Vas1.4 L −21%, better
BL3.7 T·m −10%
Xmax2.5 mm +32%, better
Sensitivity85.6 dB −7.9, worse
CIARECM132
No current priceFs115 Hz −28%, better
Qts0.43 –
Vas3.8 L +111%, worse
BL4.4 T·m +8%
Xmax1.6 mm −16%, worse
Sensitivity92.2 dB −1.3
Tang BandW3-926SDF
No current priceFs100 Hz −38%, better
Qts0.49 +14%, worse
Vas1.9 L +5%
BL3.7 T·m −9%
Xmax0.75 mm −61%, worse
Sensitivity87.5 dB −6, worse
PeerlessTG9FC02-04
No current priceFs150 Hz −6%
Qts0.43 –
Vas0.84 L −53%, better
BL3.9 T·m −6%
Xmax3.0 mm +59%, better
Sensitivity89.4 dB −4.1, worse
WavecorMR120BD02
No current priceFs70 Hz −56%, better
Qts0.44 –
Vas3.2 L +78%, worse
BL4.2 T·m –
Xmax1.5 mm −21%, worse
Sensitivity85.8 dB −7.7, worse
WavecorMR120BD01
No current priceFs72 Hz −55%, better
Qts0.45 +5%
Vas3.1 L +72%, worse
BL4.2 T·m –
Xmax1.5 mm −21%, worse
Sensitivity85.9 dB −7.6, worse
Dayton AudioDMA90-4
No current priceFs88 Hz −45%, better
Qts0.45 +5%
Vas2.3 L +26%, worse
BL3.5 T·m −14%, worse
Xmax2.5 mm +32%, better
Sensitivity86.5 dB −7, worse
Tang BandW3-1053SC
No current priceFs100 Hz −38%, better
Qts0.52 +21%, worse
Vas1.8 L –
BL3.7 T·m −9%
Xmax0.75 mm −61%, worse
Sensitivity87 dB −6.5, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express5.0 out of 52 ratings · Checked 25 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £22.02 | Back order | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £40.12 | Back order | Visit shop at Parts Express |