4-inch LF driver · CW series · 25 mm voice coil · 40 W

CIARE CW100Z 4Ω

Name: CIARE CW100Z 4 Ohm
Brand: CIARE
SKU: CW100Z

4 Ω

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 107Hz
Xmax: 2.1mm
SPL: 85dB
Pe: 40W
BL: 3.0T·m
Vd: 11cm³
Qts: 0.78
Vas: 2L

See all 25 specs

Curve provenanceInspect 1 trace

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

frequency response
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence1,424 selected pixels of 1,986
Manufacturer datasheet, page 1

Specifications

Published by CIARE

Manufacturer page

Datasheet PDF

CIARE CW100Z is a 4-inch 4 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 107 Hz, Qts 0.78, Vas 1.9 L, Xmax 2.1 mm, sensitivity 85.3 dB, plus 11 cm³ Vd and 97 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: 107Hz
Qts: 0.78
Qes: 1.10
Qms: 2.6
Vas: 1.9L
Re: 3.5Ω

Motor and cone

BL: 3.0T·m
Sd: 50cm²
Mms: 4g
Xmax: 2.1mm
Vd †: 11cm³
Voice coil: 25mm

Power and response

Sensitivity †: 85.3dB
Manufacturer sensitivity: 87dB
Power: 40W
Nominal power: 40W
Impedance: 4Ω
EBP †: 97 · Sealed or vented

Size and mounting

Diameter: 100.5mm
Cutout: 91mm
Bolt circle: 116mm
Depth: 49mm
Weight: 0.44kg

Other published values

Cms: 0.53mm/N
Power Program: 100

Sensitivity shows 85.3 dB, calculated from the T/S values. CIARE publishes 87.0 dB, 1.7 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else CIARE lists

LF · Primary · 4″

BL: 3.0T·m
Fs: 107Hz
Re: 3.5Ω
Sd: 50cm²
Cms: 0.53mm/N
Mms: 4g
Qes: 1.10
Qms: 2.6
Qts: 0.78
SPL: 85.3dB
Vas: 1.9L
Xmax: 2.1mm
Power: 40W
Impedance: 4Ω
Sensitivity: 87dB
Nominal power: 40W
Power Program: 100
Calculated sensitivity †: 85.3dB
Manufacturer sensitivity: 87dB
Voice coil: 25mm
Weight: 0.44kg
Diameter: 100.5mm
Depth: 49mm
Cutout: 91mm
Bolt circle: 116mm

Compare

Same-size drivers, compared with the CW100Z. Clear differences are green when better and red when worse.

This driverCW100Z

Best price

–

107 Hz

Qts

0.78

Vas

1.9 L

3.0 T·m

Xmax

2.1 mm

Sensitivity

85.3 dB

Power

40 W

REDCATT30FF

£9.00

Fs119 Hz +11%

Qts0.78 –

Vas0.8 L −57%

BL3.3 T·m +9%

Xmax19 mm +805%

Sensitivity83.5 dB −1.8

Dayton AudioPCS115-4

£9.71

Fs88 Hz −18%

Qts0.79 –

Vas1.8 L −7%

BL3.6 T·m +20%

Xmax2.8 mm +31%

Sensitivity82.6 dB −2.7

LavoceFSF030.70

£10.04

Fs123 Hz +15%

Qts0.77 –

Vas1.2 L −38%

BL3.5 T·m +16%

Xmax2.1 mm –

Sensitivity85.9 dB +0.6

Dayton AudioPC83-4

£13.10

Fs80 Hz −25%

Qts0.54 −31%

Vas2.0 L +4%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity84 dB −1.3

Dayton AudioPC83-8

£13.10

Fs82 Hz −23%

Qts0.63 −19%

Vas1.7 L −11%

BL3.5 T·m +17%

Xmax2 mm −5%

Sensitivity83 dB −2.3

SB AcousticsSB10PGC21-4

£14.23

Fs89 Hz −17%

Qts0.92 +18%

Vas1.2 L −37%

BL2.3 T·m −23%

Xmax2.3 mm +7%

Sensitivity81.3 dB −4

HiViB3N

£15.45

Fs77 Hz −28%

Qts0.86 +10%

Vas1.7 L −11%

BL3.1 T·m +4%

Xmax3 mm +43%

Sensitivity80.6 dB −4.7

HiViB3S

£15.45

Fs80 Hz −25%

Qts0.93 +19%

Vas1.6 L −16%

BL2.9 T·m −3%

Xmax3 mm +43%

Sensitivity80.4 dB −4.9

FaitalPRO4FE35

£16.09

Fs100 Hz −7%

Qts0.73 −6%

Vas2.4 L +26%

BL3 T·m –

Xmax1.7 mm −18%

Sensitivity86.3 dB +1

FaitalPRO3FE26

£18.83

Fs150 Hz +40%

Qts0.79 –

Vas0.9 L −53%

BL3.3 T·m +10%

Xmax2 mm −5%

Sensitivity86.4 dB +1.1

MonacorSPX-30M

£20.10

Fs100 Hz −7%

Qts0.71 −9%

Vas1.8 L −5%

BL3.0 T·m –

Xmax1.1 mm −48%

Sensitivity85.1 dB –

LavoceFSF041.00

£20.20

Fs132 Hz +23%

Qts0.85 +9%

Vas1.6 L −17%

BL4.3 T·m +43%

Xmax2.2 mm +5%

Sensitivity87.3 dB +2

CIAREHM100

£27.63

Fs160 Hz +50%

Qts0.70 −10%

Vas1.1 L −42%

BL5.1 T·m +70%

Xmax2.2 mm +5%

Sensitivity88.7 dB +3.4

WavecorFR070WA04

£33.41

Fs114 Hz +7%

Qts0.87 +12%

Vas0.6 L −68%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity81.9 dB −3.4

PRV Audio3MR40-NDY-4

£36.80

Fs153 Hz +43%

Qts0.77 –

Vas0.6 L −67%

BL2.9 T·m –

Xmax1.4 mm −33%

Sensitivity85.6 dB –

WavecorWF090WA01

£41.14

Fs115 Hz +7%

Qts0.81 +4%

Vas1.0 L −46%

BL2.9 T·m −3%

Xmax2.8 mm +31%

Sensitivity84.3 dB −1

PRV Audio4MR60-NDY-4

£41.82

Fs96 Hz −11%

Qts0.85 +9%

Vas2.9 L +50%

BL2.8 T·m −6%

Xmax1.4 mm −33%

Sensitivity85.8 dB +0.5

WavecorFR090WA01

£61.12

Fs113 Hz +6%

Qts0.88 +13%

Vas1.1 L −44%

BL2.8 T·m −8%

Xmax2.3 mm +7%

Sensitivity83.8 dB −1.5

WavecorFR090WA02

£61.12

Fs109 Hz –

Qts0.85 +9%

Vas1.1 L −40%

BL3.4 T·m +14%

Xmax2.3 mm +7%

Sensitivity83.7 dB −1.6

WavecorFR084WA01

£61.71

Fs113 Hz +6%

Qts0.82 +5%

Vas1.1 L −44%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity84.1 dB −1.2

SEASH1658-04 MU10RB-SL

£73.62

Fs100 Hz −7%

Qts0.67 −14%

Vas1.1 L −42%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity81.8 dB −3.5

SEASH1600-04 FU10RB

£80.34

Fs102 Hz −5%

Qts0.91 +17%

Vas1 L −47%

BL2.7 T·m −9%

Xmax2 mm −5%

Sensitivity81.2 dB −4.1

B&C5NSM38

£109.69

Fs336 Hz +214%

Qts0.79 –

Vas0.3 L −84%

BL10.1 T·m +238%

Xmax2.2 mm +5%

Sensitivity92.6 dB +7.3

CIARECW130Z

No current price

Fs75 Hz −30%

Qts0.81 +4%

Vas6.5 L +242%

BL3.0 T·m –

Xmax2.1 mm –

Sensitivity85.8 dB +0.5

CIARECXE104

No current price

Fs119 Hz +11%

Qts0.93 +19%

Vas2.4 L +25%

BL3.0 T·m –

Xmax2.1 mm –

Sensitivity87.2 dB +1.9

CIARECXE134

No current price

Fs84 Hz −21%

Qts0.78 –

Vas5.2 L +174%

BL3.3 T·m +11%

Xmax2.1 mm –

Sensitivity87 dB +1.7

HiViM3N

No current price

Fs91 Hz −15%

Qts0.80 –

Vas1.5 L −21%

BL3 T·m –

Xmax3 mm +43%

Sensitivity82.4 dB −2.9

WavecorFR084OM01

No current price

Fs115 Hz +7%

Qts0.92 +18%

Vas1.1 L −43%

BL2.8 T·m −8%

Xmax2.3 mm +7%

Sensitivity84.1 dB −1.2

WavecorFR084WA02

No current price

Fs109 Hz –

Qts0.79 –

Vas1.1 L −40%

BL3.6 T·m +22%

Xmax2.5 mm +19%

Sensitivity84 dB −1.3

Tang BandW3-532SQF

No current price

Fs100 Hz −7%

Qts0.72 −8%

Vas1.5 L −19%

BL3.2 T·m +8%

Xmax0.5 mm −76%

Sensitivity84.5 dB −0.8

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Lean Audio Checked 26 Oct 2026 · 4 Ω · Source: inc VAT · 20%	£14.88		Back order	Visit shop at Lean Audio

bits00 AUDIO

4-inch LF driver · CW series · 25 mm voice coil · 40 W

CIARE CW100Z 4Ω

4 Ω

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 107Hz
Xmax: 2.1mm
SPL: 85dB
Pe: 40W
BL: 3.0T·m
Vd: 11cm³
Qts: 0.78
Vas: 2L

See all 25 specs

Curve provenanceInspect 1 trace

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

frequency response
Frequency response
Trace datasheet-response-trace-poc/v1
240 plotted pointsMedium confidence1,424 selected pixels of 1,986
Manufacturer datasheet, page 1

Specifications

Published by CIARE

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 107Hz
Qts: 0.78
Qes: 1.10
Qms: 2.6
Vas: 1.9L
Re: 3.5Ω

Motor and cone

BL: 3.0T·m
Sd: 50cm²
Mms: 4g
Xmax: 2.1mm
Vd †: 11cm³
Voice coil: 25mm

Power and response

Sensitivity †: 85.3dB
Manufacturer sensitivity: 87dB
Power: 40W
Nominal power: 40W
Impedance: 4Ω
EBP †: 97 · Sealed or vented

Size and mounting

Diameter: 100.5mm
Cutout: 91mm
Bolt circle: 116mm
Depth: 49mm
Weight: 0.44kg

Other published values

Cms: 0.53mm/N
Power Program: 100

Sensitivity shows 85.3 dB, calculated from the T/S values. CIARE publishes 87.0 dB, 1.7 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else CIARE lists

LF · Primary · 4″

BL: 3.0T·m
Fs: 107Hz
Re: 3.5Ω
Sd: 50cm²
Cms: 0.53mm/N
Mms: 4g
Qes: 1.10
Qms: 2.6
Qts: 0.78
SPL: 85.3dB
Vas: 1.9L
Xmax: 2.1mm
Power: 40W
Impedance: 4Ω
Sensitivity: 87dB
Nominal power: 40W
Power Program: 100
Calculated sensitivity †: 85.3dB
Manufacturer sensitivity: 87dB
Voice coil: 25mm
Weight: 0.44kg
Diameter: 100.5mm
Depth: 49mm
Cutout: 91mm
Bolt circle: 116mm

Compare

Same-size drivers, compared with the CW100Z. Clear differences are green when better and red when worse.

This driverCW100Z

Best price

–

107 Hz

Qts

0.78

Vas

1.9 L

3.0 T·m

Xmax

2.1 mm

Sensitivity

85.3 dB

Power

40 W

REDCATT30FF

£9.00

Fs119 Hz +11%

Qts0.78 –

Vas0.8 L −57%

BL3.3 T·m +9%

Xmax19 mm +805%

Sensitivity83.5 dB −1.8

Dayton AudioPCS115-4

£9.71

Fs88 Hz −18%

Qts0.79 –

Vas1.8 L −7%

BL3.6 T·m +20%

Xmax2.8 mm +31%

Sensitivity82.6 dB −2.7

LavoceFSF030.70

£10.04

Fs123 Hz +15%

Qts0.77 –

Vas1.2 L −38%

BL3.5 T·m +16%

Xmax2.1 mm –

Sensitivity85.9 dB +0.6

Dayton AudioPC83-4

£13.10

Fs80 Hz −25%

Qts0.54 −31%

Vas2.0 L +4%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity84 dB −1.3

Dayton AudioPC83-8

£13.10

Fs82 Hz −23%

Qts0.63 −19%

Vas1.7 L −11%

BL3.5 T·m +17%

Xmax2 mm −5%

Sensitivity83 dB −2.3

SB AcousticsSB10PGC21-4

£14.23

Fs89 Hz −17%

Qts0.92 +18%

Vas1.2 L −37%

BL2.3 T·m −23%

Xmax2.3 mm +7%

Sensitivity81.3 dB −4

HiViB3N

£15.45

Fs77 Hz −28%

Qts0.86 +10%

Vas1.7 L −11%

BL3.1 T·m +4%

Xmax3 mm +43%

Sensitivity80.6 dB −4.7

HiViB3S

£15.45

Fs80 Hz −25%

Qts0.93 +19%

Vas1.6 L −16%

BL2.9 T·m −3%

Xmax3 mm +43%

Sensitivity80.4 dB −4.9

FaitalPRO4FE35

£16.09

Fs100 Hz −7%

Qts0.73 −6%

Vas2.4 L +26%

BL3 T·m –

Xmax1.7 mm −18%

Sensitivity86.3 dB +1

FaitalPRO3FE26

£18.83

Fs150 Hz +40%

Qts0.79 –

Vas0.9 L −53%

BL3.3 T·m +10%

Xmax2 mm −5%

Sensitivity86.4 dB +1.1

MonacorSPX-30M

£20.10

Fs100 Hz −7%

Qts0.71 −9%

Vas1.8 L −5%

BL3.0 T·m –

Xmax1.1 mm −48%

Sensitivity85.1 dB –

LavoceFSF041.00

£20.20

Fs132 Hz +23%

Qts0.85 +9%

Vas1.6 L −17%

BL4.3 T·m +43%

Xmax2.2 mm +5%

Sensitivity87.3 dB +2

CIAREHM100

£27.63

Fs160 Hz +50%

Qts0.70 −10%

Vas1.1 L −42%

BL5.1 T·m +70%

Xmax2.2 mm +5%

Sensitivity88.7 dB +3.4

WavecorFR070WA04

£33.41

Fs114 Hz +7%

Qts0.87 +12%

Vas0.6 L −68%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity81.9 dB −3.4

PRV Audio3MR40-NDY-4

£36.80

Fs153 Hz +43%

Qts0.77 –

Vas0.6 L −67%

BL2.9 T·m –

Xmax1.4 mm −33%

Sensitivity85.6 dB –

WavecorWF090WA01

£41.14

Fs115 Hz +7%

Qts0.81 +4%

Vas1.0 L −46%

BL2.9 T·m −3%

Xmax2.8 mm +31%

Sensitivity84.3 dB −1

PRV Audio4MR60-NDY-4

£41.82

Fs96 Hz −11%

Qts0.85 +9%

Vas2.9 L +50%

BL2.8 T·m −6%

Xmax1.4 mm −33%

Sensitivity85.8 dB +0.5

WavecorFR090WA01

£61.12

Fs113 Hz +6%

Qts0.88 +13%

Vas1.1 L −44%

BL2.8 T·m −8%

Xmax2.3 mm +7%

Sensitivity83.8 dB −1.5

WavecorFR090WA02

£61.12

Fs109 Hz –

Qts0.85 +9%

Vas1.1 L −40%

BL3.4 T·m +14%

Xmax2.3 mm +7%

Sensitivity83.7 dB −1.6

WavecorFR084WA01

£61.71

Fs113 Hz +6%

Qts0.82 +5%

Vas1.1 L −44%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity84.1 dB −1.2

SEASH1658-04 MU10RB-SL

£73.62

Fs100 Hz −7%

Qts0.67 −14%

Vas1.1 L −42%

BL2.9 T·m −3%

Xmax2 mm −5%

Sensitivity81.8 dB −3.5

SEASH1600-04 FU10RB

£80.34

Fs102 Hz −5%

Qts0.91 +17%

Vas1 L −47%

BL2.7 T·m −9%

Xmax2 mm −5%

Sensitivity81.2 dB −4.1

B&C5NSM38

£109.69

Fs336 Hz +214%

Qts0.79 –

Vas0.3 L −84%

BL10.1 T·m +238%

Xmax2.2 mm +5%

Sensitivity92.6 dB +7.3

CIARECW130Z

No current price

Fs75 Hz −30%

Qts0.81 +4%

Vas6.5 L +242%

BL3.0 T·m –

Xmax2.1 mm –

Sensitivity85.8 dB +0.5

CIARECXE104

No current price

Fs119 Hz +11%

Qts0.93 +19%

Vas2.4 L +25%

BL3.0 T·m –

Xmax2.1 mm –

Sensitivity87.2 dB +1.9

CIARECXE134

No current price

Fs84 Hz −21%

Qts0.78 –

Vas5.2 L +174%

BL3.3 T·m +11%

Xmax2.1 mm –

Sensitivity87 dB +1.7

HiViM3N

No current price

Fs91 Hz −15%

Qts0.80 –

Vas1.5 L −21%

BL3 T·m –

Xmax3 mm +43%

Sensitivity82.4 dB −2.9

WavecorFR084OM01

No current price

Fs115 Hz +7%

Qts0.92 +18%

Vas1.1 L −43%

BL2.8 T·m −8%

Xmax2.3 mm +7%

Sensitivity84.1 dB −1.2

WavecorFR084WA02

No current price

Fs109 Hz –

Qts0.79 –

Vas1.1 L −40%

BL3.6 T·m +22%

Xmax2.5 mm +19%

Sensitivity84 dB −1.3

Tang BandW3-532SQF

No current price

Fs100 Hz −7%

Qts0.72 −8%

Vas1.5 L −19%

BL3.2 T·m +8%

Xmax0.5 mm −76%

Sensitivity84.5 dB −0.8

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Lean Audio Checked 26 Oct 2026 · 4 Ω · Source: inc VAT · 20%	£14.88		Back order	Visit shop at Lean Audio