8-inch LF driver · 31 mm voice coil · 100 W

REDCATT 8FHW-2 4Ω

Name: REDCATT 8FHW-2 4 Ohm
Brand: REDCATT
SKU: 8FHW-2

4 Ω

No current price

All 1 offer

Open in 00 Simulator

Fs: 36Hz
Xmax: 3.6mm
SPL: 88dB
Pe: 100W
BL: 8.6T·m
Vd: 78cm³
Qts: 0.35
Vas: 34L

See all 25 specs

Specifications

Published by REDCATT

Manufacturer page

Datasheet PDF

REDCATT 8FHW-2 is an 8-inch 4 ohm LF driver rated at 100 W RMS. The validated T/S data includes Fs 36 Hz, Qts 0.35, Vas 34.3 L, Xmax 3.6 mm, sensitivity 88.3 dB, plus 78 cm³ Vd and 95 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: 36Hz
Qts: 0.35
Qes: 0.38
Qms: 4.5
Vas: 34.3L
Re: 3.3Ω
Le: 0.89mH

Motor and cone

BL: 8.6T·m
Sd: 214cm²
Mms: 37g
Xmax: 3.6mm
Vd †: 78cm³
Voice coil: 31mm

Power and response

Sensitivity †: 88.3dB
Manufacturer sensitivity: 89.1dB
Power: 100W
Impedance: 4Ω
EBP †: 95 · Sealed or vented

Size and mounting

Diameter: 209.5mm
Cutout: 184.5mm
Bolt circle: 197mm
Weight: 1.5kg

Other published values

Xmech: 11.65
Power Peak: 400

Other dimensions

Mounting Depth: 86.5

† Calculated by bits from the published values

What this validation status means

Everything else REDCATT lists

LF · Primary · 8″

BL: 8.6T·m
Fs: 36Hz
Le: 0.89mH
Re: 3.3Ω
Sd: 214cm²
Mms: 37g
Qes: 0.38
Qms: 4.5
Qts: 0.35
SPL: 88.3dB
Vas: 34.3L
Xmax: 3.6mm
Xmech: 11.65
Power: 100W
Impedance: 4Ω
Power Peak: 400
Sensitivity: 89.1dB
Calculated sensitivity †: 88.3dB
Manufacturer sensitivity: 89.1dB
Voice coil: 31mm
Weight: 1.5kg
Diameter: 209.5mm
Mounting Depth: 86.5
Cutout: 184.5mm
Bolt circle: 197mm

Compare

Same-size drivers, compared with the 8FHW-2. Clear differences are green when better and red when worse.

This driver8FHW-2

Best price

–

36 Hz

Qts

0.35

Vas

34.3 L

8.6 T·m

Xmax

3.6 mm

Sensitivity

88.3 dB

Power

100 W

Dayton AudioDSA215-8

£56.66

Fs35 Hz –

Qts0.33 −6%

Vas37.4 L +9%

BL10.6 T·m +23%

Xmax5.5 mm +51%

Sensitivity88.1 dB –

REDCATT8FR

£67.40

Fs53 Hz +47%

Qts0.38 +8%

Vas36.8 L +7%

BL7.9 T·m −9%

Xmax5.8 mm +59%

Sensitivity93.4 dB +5.1

PRV Audio8MR600X-4

£67.94

Fs77 Hz +115%

Qts0.34 –

Vas19.6 L −43%

BL8.9 T·m +4%

Xmax5.1 mm +40%

Sensitivity96 dB +7.7

EminenceBETA-8A

£67.94

Fs65 Hz +81%

Qts0.38 +9%

Vas23.3 L −32%

BL9.6 T·m +12%

Xmax3 mm −18%

Sensitivity93.9 dB +5.6

CIARECME200

£67.95

Fs76 Hz +111%

Qts0.37 +6%

Vas18 L −48%

BL7.3 T·m −15%

Xmax3.5 mm −4%

Sensitivity95.1 dB +6.8

Scanspeak18W/4434G00

£76.80

Fs47 Hz +31%

Qts0.35 –

Vas20.7 L −40%

BL6 T·m −30%

Xmax4.3 mm +18%

Sensitivity89.7 dB +1.4

REDCATT8FHM

£85.33

Fs38 Hz +6%

Qts0.39 +11%

Vas32.1 L −6%

BL8.2 T·m −5%

Xmax5 mm +37%

Sensitivity88.4 dB –

ETON7-612/C8/32 RP

£98.14

Fs37 Hz –

Qts0.30 −14%

Vas28 L −18%

BL8.6 T·m –

Xmax4.5 mm +23%

Sensitivity88.5 dB –

SB AcousticsSB23MFCL45-4

£117.27

Fs27 Hz −25%

Qts0.34 –

Vas37 L +8%

BL9.6 T·m +12%

Xmax24 mm +558%

Sensitivity85.1 dB −3.2

WavecorWF182BD12

£119.39

Fs30 Hz −18%

Qts0.37 +6%

Vas32.4 L −6%

BL8.2 T·m −5%

Xmax5.5 mm +51%

Sensitivity85.4 dB −2.9

WavecorWF182BD17

£123.17

Fs33 Hz −8%

Qts0.35 –

Vas24.3 L −29%

BL6.5 T·m −24%

Xmax5.5 mm +51%

Sensitivity85.8 dB −2.5

MarkaudioMA200-M MULTI

£156.00

Fs33 Hz −8%

Qts0.35 –

Vas65.2 L +90%

BL8.5 T·m –

Xmax9 mm +147%

Sensitivity89.6 dB +1.3

VisatonAL 200

£164.30

Fs32 Hz −11%

Qts0.35 –

Vas77 L +124%

BL8.8 T·m –

Xmax10 mm +174%

Sensitivity90.1 dB +1.8

VisatonAL 200 - 8 OHM

£180.55

Fs32 Hz −11%

Qts0.35 –

Vas77 L +124%

BL8.8 T·m –

Xmax10 mm +174%

Sensitivity90.1 dB +1.8

WavecorWF182BD20

£192.09

Fs30 Hz −18%

Qts0.37 +6%

Vas32.4 L −6%

BL8.2 T·m −5%

Xmax5.5 mm +51%

Sensitivity85.4 dB −2.9

Eighteen Sound8CX401F

£199.68

Fs56 Hz +56%

Qts0.34 –

Vas23.9 L −30%

BL9.3 T·m +8%

Xmax5.8 mm +59%

Sensitivity92.5 dB +4.2

VoltBM228.8

£249.12

Fs35 Hz –

Qts0.35 –

Vas32 L −7%

BL11.7 T·m +36%

Xmax4 mm +10%

Sensitivity87.6 dB −0.7

Scanspeak18WU/8747T00

£290.23

Fs36 Hz –

Qts0.38 +9%

Vas36.2 L +6%

BL7.4 T·m −14%

Xmax9 mm +147%

Sensitivity88 dB –

Scanspeak18WU/4747T00

£314.35

Fs36 Hz –

Qts0.35 –

Vas36 L +5%

BL5.9 T·m −31%

Xmax9 mm +147%

Sensitivity88.4 dB –

Scanspeak18WU/4741T00

£315.85

Fs34 Hz −6%

Qts0.36 –

Vas38.4 L +12%

BL5.9 T·m −31%

Xmax9 mm +147%

Sensitivity87.9 dB –

AccutonC173-6-191

£341.46

Fs39 Hz +7%

Qts0.34 –

Vas21.6 L −37%

BL8.8 T·m –

Xmax5 mm +37%

Sensitivity87.3 dB −1

Supravox215 GMF

No current price

Fs54 Hz +50%

Qts0.36 –

Vas60 L +75%

BL9.7 T·m +13%

Xmax3.7 mm –

Sensitivity96 dB +7.7

WavecorWF182BD07

No current price

Fs40 Hz +11%

Qts0.34 –

Vas24.4 L −29%

BL8.5 T·m –

Xmax5.5 mm +51%

Sensitivity88.5 dB –

Cube AudioF8 MAGUS

No current price

Fs40 Hz +11%

Qts0.37 +6%

Vas53 L +55%

BL9 T·m +5%

Xmax3 mm −18%

Sensitivity91.7 dB +3.4

CIARECMI200ND

No current price

Fs80 Hz +122%

Qts0.37 +6%

Vas12.5 L −64%

BL8.8 T·m –

Xmax4.5 mm +23%

Sensitivity94.2 dB +5.9

PRV AudioMT8MB600CF-NDY-4

No current price

Fs65 Hz +79%

Qts0.37 +6%

Vas18.8 L −45%

BL9.3 T·m +8%

Xmax4.8 mm +30%

Sensitivity93.3 dB +5

KartesianWOM185_VKI

No current price

Fs32 Hz −11%

Qts0.32 −9%

Vas33.6 L –

BL10.2 T·m +19%

Xmax12 mm +229%

Sensitivity87.3 dB −1

WavecorWF182BD09

No current price

Fs33 Hz −8%

Qts0.35 –

Vas24.3 L −29%

BL6.5 T·m −24%

Xmax5.5 mm +51%

Sensitivity85.8 dB −2.5

WavecorWF223BD02

No current price

Fs31 Hz −14%

Qts0.37 +6%

Vas49.5 L +44%

BL9.5 T·m +10%

Xmax6.5 mm +78%

Sensitivity87.9 dB –

SB AcousticsWO24TX-4

No current price

Fs26 Hz −27%

Qts0.35 –

Vas79 L +130%

BL7.9 T·m −8%

Xmax17.5 mm +379%

Sensitivity87.9 dB –

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

UK shops, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Lautsprecherteile Checked 2 Oct 2026 · 4 Ω · Source: inc VAT Lange Lieferzeit (bis zu 120 Tage)	£33.47		Special order	Visit shop at Lautsprecherteile

bits00 AUDIO

8-inch LF driver · 31 mm voice coil · 100 W

REDCATT 8FHW-2 4Ω

4 Ω

No current price

All 1 offer

Open in 00 Simulator

Fs: 36Hz
Xmax: 3.6mm
SPL: 88dB
Pe: 100W
BL: 8.6T·m
Vd: 78cm³
Qts: 0.35
Vas: 34L

See all 25 specs

Specifications

Published by REDCATT

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 36Hz
Qts: 0.35
Qes: 0.38
Qms: 4.5
Vas: 34.3L
Re: 3.3Ω
Le: 0.89mH

Motor and cone

BL: 8.6T·m
Sd: 214cm²
Mms: 37g
Xmax: 3.6mm
Vd †: 78cm³
Voice coil: 31mm

Power and response

Sensitivity †: 88.3dB
Manufacturer sensitivity: 89.1dB
Power: 100W
Impedance: 4Ω
EBP †: 95 · Sealed or vented

Size and mounting

Diameter: 209.5mm
Cutout: 184.5mm
Bolt circle: 197mm
Weight: 1.5kg

Other published values

Xmech: 11.65
Power Peak: 400

Other dimensions

Mounting Depth: 86.5

† Calculated by bits from the published values

What this validation status means

Everything else REDCATT lists

LF · Primary · 8″

BL: 8.6T·m
Fs: 36Hz
Le: 0.89mH
Re: 3.3Ω
Sd: 214cm²
Mms: 37g
Qes: 0.38
Qms: 4.5
Qts: 0.35
SPL: 88.3dB
Vas: 34.3L
Xmax: 3.6mm
Xmech: 11.65
Power: 100W
Impedance: 4Ω
Power Peak: 400
Sensitivity: 89.1dB
Calculated sensitivity †: 88.3dB
Manufacturer sensitivity: 89.1dB
Voice coil: 31mm
Weight: 1.5kg
Diameter: 209.5mm
Mounting Depth: 86.5
Cutout: 184.5mm
Bolt circle: 197mm

Compare

Same-size drivers, compared with the 8FHW-2. Clear differences are green when better and red when worse.

This driver8FHW-2

Best price

–

36 Hz

Qts

0.35

Vas

34.3 L

8.6 T·m

Xmax

3.6 mm

Sensitivity

88.3 dB

Power

100 W

Dayton AudioDSA215-8

£56.66

Fs35 Hz –

Qts0.33 −6%

Vas37.4 L +9%

BL10.6 T·m +23%

Xmax5.5 mm +51%

Sensitivity88.1 dB –

REDCATT8FR

£67.40

Fs53 Hz +47%

Qts0.38 +8%

Vas36.8 L +7%

BL7.9 T·m −9%

Xmax5.8 mm +59%

Sensitivity93.4 dB +5.1

PRV Audio8MR600X-4

£67.94

Fs77 Hz +115%

Qts0.34 –

Vas19.6 L −43%

BL8.9 T·m +4%

Xmax5.1 mm +40%

Sensitivity96 dB +7.7

EminenceBETA-8A

£67.94

Fs65 Hz +81%

Qts0.38 +9%

Vas23.3 L −32%

BL9.6 T·m +12%

Xmax3 mm −18%

Sensitivity93.9 dB +5.6

CIARECME200

£67.95

Fs76 Hz +111%

Qts0.37 +6%

Vas18 L −48%

BL7.3 T·m −15%

Xmax3.5 mm −4%

Sensitivity95.1 dB +6.8

Scanspeak18W/4434G00

£76.80

Fs47 Hz +31%

Qts0.35 –

Vas20.7 L −40%

BL6 T·m −30%

Xmax4.3 mm +18%

Sensitivity89.7 dB +1.4

REDCATT8FHM

£85.33

Fs38 Hz +6%

Qts0.39 +11%

Vas32.1 L −6%

BL8.2 T·m −5%

Xmax5 mm +37%

Sensitivity88.4 dB –

ETON7-612/C8/32 RP

£98.14

Fs37 Hz –

Qts0.30 −14%

Vas28 L −18%

BL8.6 T·m –

Xmax4.5 mm +23%

Sensitivity88.5 dB –

SB AcousticsSB23MFCL45-4

£117.27

Fs27 Hz −25%

Qts0.34 –

Vas37 L +8%

BL9.6 T·m +12%

Xmax24 mm +558%

Sensitivity85.1 dB −3.2

WavecorWF182BD12

£119.39

Fs30 Hz −18%

Qts0.37 +6%

Vas32.4 L −6%

BL8.2 T·m −5%

Xmax5.5 mm +51%

Sensitivity85.4 dB −2.9

WavecorWF182BD17

£123.17

Fs33 Hz −8%

Qts0.35 –

Vas24.3 L −29%

BL6.5 T·m −24%

Xmax5.5 mm +51%

Sensitivity85.8 dB −2.5

MarkaudioMA200-M MULTI

£156.00

Fs33 Hz −8%

Qts0.35 –

Vas65.2 L +90%

BL8.5 T·m –

Xmax9 mm +147%

Sensitivity89.6 dB +1.3

VisatonAL 200

£164.30

Fs32 Hz −11%

Qts0.35 –

Vas77 L +124%

BL8.8 T·m –

Xmax10 mm +174%

Sensitivity90.1 dB +1.8

VisatonAL 200 - 8 OHM

£180.55

Fs32 Hz −11%

Qts0.35 –

Vas77 L +124%

BL8.8 T·m –

Xmax10 mm +174%

Sensitivity90.1 dB +1.8

WavecorWF182BD20

£192.09

Fs30 Hz −18%

Qts0.37 +6%

Vas32.4 L −6%

BL8.2 T·m −5%

Xmax5.5 mm +51%

Sensitivity85.4 dB −2.9

Eighteen Sound8CX401F

£199.68

Fs56 Hz +56%

Qts0.34 –

Vas23.9 L −30%

BL9.3 T·m +8%

Xmax5.8 mm +59%

Sensitivity92.5 dB +4.2

VoltBM228.8

£249.12

Fs35 Hz –

Qts0.35 –

Vas32 L −7%

BL11.7 T·m +36%

Xmax4 mm +10%

Sensitivity87.6 dB −0.7

Scanspeak18WU/8747T00

£290.23

Fs36 Hz –

Qts0.38 +9%

Vas36.2 L +6%

BL7.4 T·m −14%

Xmax9 mm +147%

Sensitivity88 dB –

Scanspeak18WU/4747T00

£314.35

Fs36 Hz –

Qts0.35 –

Vas36 L +5%

BL5.9 T·m −31%

Xmax9 mm +147%

Sensitivity88.4 dB –

Scanspeak18WU/4741T00

£315.85

Fs34 Hz −6%

Qts0.36 –

Vas38.4 L +12%

BL5.9 T·m −31%

Xmax9 mm +147%

Sensitivity87.9 dB –

AccutonC173-6-191

£341.46

Fs39 Hz +7%

Qts0.34 –

Vas21.6 L −37%

BL8.8 T·m –

Xmax5 mm +37%

Sensitivity87.3 dB −1

Supravox215 GMF

No current price

Fs54 Hz +50%

Qts0.36 –

Vas60 L +75%

BL9.7 T·m +13%

Xmax3.7 mm –

Sensitivity96 dB +7.7

WavecorWF182BD07

No current price

Fs40 Hz +11%

Qts0.34 –

Vas24.4 L −29%

BL8.5 T·m –

Xmax5.5 mm +51%

Sensitivity88.5 dB –

Cube AudioF8 MAGUS

No current price

Fs40 Hz +11%

Qts0.37 +6%

Vas53 L +55%

BL9 T·m +5%

Xmax3 mm −18%

Sensitivity91.7 dB +3.4

CIARECMI200ND

No current price

Fs80 Hz +122%

Qts0.37 +6%

Vas12.5 L −64%

BL8.8 T·m –

Xmax4.5 mm +23%

Sensitivity94.2 dB +5.9

PRV AudioMT8MB600CF-NDY-4

No current price

Fs65 Hz +79%

Qts0.37 +6%

Vas18.8 L −45%

BL9.3 T·m +8%

Xmax4.8 mm +30%

Sensitivity93.3 dB +5

KartesianWOM185_VKI

No current price

Fs32 Hz −11%

Qts0.32 −9%

Vas33.6 L –

BL10.2 T·m +19%

Xmax12 mm +229%

Sensitivity87.3 dB −1

WavecorWF182BD09

No current price

Fs33 Hz −8%

Qts0.35 –

Vas24.3 L −29%

BL6.5 T·m −24%

Xmax5.5 mm +51%

Sensitivity85.8 dB −2.5

WavecorWF223BD02

No current price

Fs31 Hz −14%

Qts0.37 +6%

Vas49.5 L +44%

BL9.5 T·m +10%

Xmax6.5 mm +78%

Sensitivity87.9 dB –

SB AcousticsWO24TX-4

No current price

Fs26 Hz −27%

Qts0.35 –

Vas79 L +130%

BL7.9 T·m −8%

Xmax17.5 mm +379%

Sensitivity87.9 dB –

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

UK shops, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Lautsprecherteile Checked 2 Oct 2026 · 4 Ω · Source: inc VAT Lange Lieferzeit (bis zu 120 Tage)	£33.47		Special order	Visit shop at Lautsprecherteile