8-inch LF driver · ROSSO series

SB Audience ROSSO-8CX250 8Ω

Name: SB Audience ROSSO-8CX250 8 Ohm
Brand: SB Audience
SKU: ROSSO-8CX250

8 Ω

No price for delivery to the UK

All 2 offers

Open in 00 Simulator

Fs: 70Hz
Xmax: 5.4mm
SPL: 94dB
Pe: –
BL: 11.4T·m
Vd: 114cm³
Qts: 0.32
Vas: 16L

See all 18 specs

Specifications

Published by SB Audience

Manufacturer page

Datasheet PDF

SB Audience ROSSO-8CX250 is an 8-inch 8 ohm LF driver. The validated T/S data includes Fs 70 Hz, Qts 0.32, Vas 15.8 L, Xmax 5.4 mm, sensitivity 93.7 dB, plus 114 cm³ Vd and 189 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: 70Hz
Qts: 0.32
Qes: 0.37
Qms: 2.2
Vas: 15.8L
Re: 5.3Ω
Le: 0.72mH

Motor and cone

BL: 11.4T·m
Sd: 211cm²
Mms: 21g
Xmax: 5.4mm
Vd †: 114cm³

Power and response

Sensitivity †: 93.7dB
Impedance: 8Ω
Min. impedance: 6.2Ω
EBP †: 189 · Leans vented

Other published values

Cms: 0.25mm/N
Rms: 4.17kg/s

† Calculated by bits from the published values

What this validation status means

Everything else SB Audience lists

LF · Primary · 8″

BL: 11.4T·m
Fs: 70Hz
Le: 0.72mH
Re: 5.3Ω
Sd: 211cm²
Cms: 0.25mm/N
Mms: 21g
Qes: 0.37
Qms: 2.2
Qts: 0.32
Rms: 4.17kg/s
SPL: 93.7dB
Vas: 15.8L
Xmax: 5.4mm
Impedance: 8Ω
Calculated sensitivity †: 93.7dB
Min. impedance: 6.2Ω

Compare

Same-size drivers, compared with the ROSSO-8CX250. Clear differences are green when better and red when worse.

This driverROSSO-8CX250

Best price

–

70 Hz

Qts

0.32

Vas

15.8 L

11.4 T·m

Xmax

5.4 mm

Sensitivity

93.7 dB

Power

–

PeerlessFSL-0818R01-08

£33.66

Fs74 Hz +6%

Qts0.37 +16%

Vas15.9 L –

BL11.3 T·m –

Xmax4.3 mm −19%

Sensitivity93.9 dB –

FaitalPRO8FE300

£43.52

Fs70 Hz –

Qts0.44 +38%

Vas15.7 L –

BL11.3 T·m –

Xmax5.5 mm –

Sensitivity92.7 dB −1

Dayton AudioDS215-8

£49.36

Fs34 Hz −51%

Qts0.31 −3%

Vas43.1 L +173%

BL9.9 T·m −13%

Xmax5.5 mm –

Sensitivity88.6 dB −5.1

Dayton AudioDSA215-8

£56.09

Fs35 Hz −50%

Qts0.33 +3%

Vas37.4 L +137%

BL10.6 T·m −7%

Xmax5.5 mm –

Sensitivity88.1 dB −5.6

CelestionTRUVOX 0820

£59.70

Fs74 Hz +6%

Qts0.39 +22%

Vas17.3 L +9%

BL11.5 T·m –

Xmax5 mm −7%

Sensitivity94.3 dB +0.6

MonacorSP-8/150PRO

£59.78

Fs56 Hz −20%

Qts0.32 –

Vas22 L +39%

BL12.0 T·m +5%

Xmax6 mm +11%

Sensitivity91.8 dB −1.9

PRV Audio8MR600X-4

£67.26

Fs77 Hz +10%

Qts0.34 +6%

Vas19.6 L +24%

BL8.9 T·m −22%

Xmax5.1 mm −6%

Sensitivity96 dB +2.3

B&C8PS21

£79.73

Fs73 Hz +4%

Qts0.33 +3%

Vas14 L −11%

BL12.6 T·m +11%

Xmax5 mm −7%

Sensitivity93.8 dB –

Sica8 S 2.5 CP

£80.30

Fs54 Hz −23%

Qts0.33 +3%

Vas18.6 L +18%

BL11.9 T·m +4%

Xmax5 mm −7%

Sensitivity91 dB −2.7

B&C8FMB51

£91.27

Fs67 Hz −4%

Qts0.28 −12%

Vas20.7 L +31%

BL11.3 T·m –

Xmax5.5 mm –

Sensitivity95.1 dB +1.4

B&C8FG51

£94.62

Fs49 Hz −30%

Qts0.32 –

Vas20 L +27%

BL12.9 T·m +13%

Xmax6.5 mm +20%

Sensitivity90.4 dB −3.3

Beyma8G40

£100.07

Fs70 Hz –

Qts0.36 +12%

Vas17 L +8%

BL12.2 T·m +7%

Xmax6.5 mm +20%

Sensitivity93.9 dB –

CIARENDI8

£103.24

Fs81 Hz +16%

Qts0.33 +3%

Vas13 L −18%

BL12.8 T·m +12%

Xmax4.5 mm −17%

Sensitivity94.9 dB +1.2

Sica8 FE 2 CP

£104.62

Fs67 Hz −4%

Qts0.32 –

Vas16.9 L +7%

BL12.3 T·m +8%

Xmax4.5 mm −17%

Sensitivity93.4 dB –

WavecorSW178WA01

£120.66

Fs38 Hz −46%

Qts0.36 +14%

Vas12.2 L −23%

BL12 T·m +5%

Xmax5 mm −7%

Sensitivity84.6 dB −9.1

B&C8CX21

£151.61

Fs74 Hz +6%

Qts0.36 +12%

Vas15 L −5%

BL11.5 T·m –

Xmax5.5 mm –

Sensitivity94 dB –

B&C8FCX51

£186.30

Fs69 Hz –

Qts0.34 +6%

Vas16 L –

BL11.5 T·m –

Xmax6 mm +11%

Sensitivity93.7 dB –

Eighteen Sound8CX650

£344.69

Fs65 Hz −7%

Qts0.35 +9%

Vas16.6 L +5%

BL12 T·m +5%

Xmax6 mm +11%

Sensitivity92.9 dB −0.8

Scanspeak18WE/8542T00

£837.27

Fs50 Hz −29%

Qts0.32 –

Vas16 L –

BL9.7 T·m −15%

Xmax7.7 mm +43%

Sensitivity89.7 dB −4

No photo

PHL Audio2420

No current price

Fs72 Hz –

Qts0.33 +3%

Vas13.3 L −16%

BL12.9 T·m +13%

Xmax5.5 mm –

Sensitivity93.3 dB –

No photo

PHL Audio2440

No current price

Fs77 Hz +10%

Qts0.31 −3%

Vas13.1 L −17%

BL12.8 T·m +12%

Xmax5 mm −7%

Sensitivity94.5 dB +0.8

LavoceCAF082.00K

No current price

Fs72 Hz –

Qts0.34 +6%

Vas15.1 L −5%

BL11.7 T·m –

Xmax6.7 mm +24%

Sensitivity93.7 dB –

Sica8 CX 2.5 PL P

No current price

Fs74 Hz +6%

Qts0.28 −12%

Vas16.2 L –

BL12.3 T·m +8%

Xmax5 mm −7%

Sensitivity95.1 dB +1.4

JensenBS8N250A-8

No current price

Fs59 Hz −16%

Qts0.37 +16%

Vas14.9 L −6%

BL12.8 T·m +13%

Xmax5 mm −7%

Sensitivity91 dB −2.7

Sica8 L 2 SL

No current price

Fs64 Hz −9%

Qts0.32 –

Vas18.2 L +15%

BL12.3 T·m +8%

Xmax3.5 mm −35%

Sensitivity93.3 dB –

HiViC8N

No current price

Fs38 Hz −46%

Qts0.32 –

Vas47.8 L +203%

BL10.7 T·m −6%

Xmax4.9 mm −9%

Sensitivity90.7 dB −3

WavecorWF182BD15

No current price

Fs39 Hz −44%

Qts0.32 –

Vas20.8 L +32%

BL8.5 T·m −25%

Xmax5.5 mm –

Sensitivity87.8 dB −5.9

HiViE8N

No current price

Fs35 Hz −50%

Qts0.33 +3%

Vas52.5 L +232%

BL10.4 T·m −9%

Xmax4.9 mm −9%

Sensitivity89.9 dB −3.8

CIARECMI200

No current price

Fs80 Hz +14%

Qts0.34 +6%

Vas12 L −24%

BL9.6 T·m −16%

Xmax4.5 mm −17%

Sensitivity94.4 dB +0.7

Oberton8MB201

No current price

Fs68 Hz −3%

Qts0.31 –

Vas14.7 L −7%

BL12.5 T·m +10%

Xmax7 mm +30%

Sensitivity93.4 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

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

Watch price

Shop	Price	Against the lowest	Stock	Link
Lean Audio Checked 24 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£135.00		Back order	Visit shop at Lean Audio
SoundImports Checked 24 Oct 2026 · Ships from Netherlands · Source: inc VAT Import VAT and duty may apply	£159.05		Back order	Visit shop at SoundImports

bits00 AUDIO

8-inch LF driver · ROSSO series

SB Audience ROSSO-8CX250 8Ω

8 Ω

No price for delivery to the UK

All 2 offers

Open in 00 Simulator

Fs: 70Hz
Xmax: 5.4mm
SPL: 94dB
Pe: –
BL: 11.4T·m
Vd: 114cm³
Qts: 0.32
Vas: 16L

See all 18 specs

Specifications

Published by SB Audience

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 70Hz
Qts: 0.32
Qes: 0.37
Qms: 2.2
Vas: 15.8L
Re: 5.3Ω
Le: 0.72mH

Motor and cone

BL: 11.4T·m
Sd: 211cm²
Mms: 21g
Xmax: 5.4mm
Vd †: 114cm³

Power and response

Sensitivity †: 93.7dB
Impedance: 8Ω
Min. impedance: 6.2Ω
EBP †: 189 · Leans vented

Other published values

Cms: 0.25mm/N
Rms: 4.17kg/s

† Calculated by bits from the published values

What this validation status means

Everything else SB Audience lists

LF · Primary · 8″

BL: 11.4T·m
Fs: 70Hz
Le: 0.72mH
Re: 5.3Ω
Sd: 211cm²
Cms: 0.25mm/N
Mms: 21g
Qes: 0.37
Qms: 2.2
Qts: 0.32
Rms: 4.17kg/s
SPL: 93.7dB
Vas: 15.8L
Xmax: 5.4mm
Impedance: 8Ω
Calculated sensitivity †: 93.7dB
Min. impedance: 6.2Ω

Compare

Same-size drivers, compared with the ROSSO-8CX250. Clear differences are green when better and red when worse.

This driverROSSO-8CX250

Best price

–

70 Hz

Qts

0.32

Vas

15.8 L

11.4 T·m

Xmax

5.4 mm

Sensitivity

93.7 dB

Power

–

PeerlessFSL-0818R01-08

£33.66

Fs74 Hz +6%

Qts0.37 +16%

Vas15.9 L –

BL11.3 T·m –

Xmax4.3 mm −19%

Sensitivity93.9 dB –

FaitalPRO8FE300

£43.52

Fs70 Hz –

Qts0.44 +38%

Vas15.7 L –

BL11.3 T·m –

Xmax5.5 mm –

Sensitivity92.7 dB −1

Dayton AudioDS215-8

£49.36

Fs34 Hz −51%

Qts0.31 −3%

Vas43.1 L +173%

BL9.9 T·m −13%

Xmax5.5 mm –

Sensitivity88.6 dB −5.1

Dayton AudioDSA215-8

£56.09

Fs35 Hz −50%

Qts0.33 +3%

Vas37.4 L +137%

BL10.6 T·m −7%

Xmax5.5 mm –

Sensitivity88.1 dB −5.6

CelestionTRUVOX 0820

£59.70

Fs74 Hz +6%

Qts0.39 +22%

Vas17.3 L +9%

BL11.5 T·m –

Xmax5 mm −7%

Sensitivity94.3 dB +0.6

MonacorSP-8/150PRO

£59.78

Fs56 Hz −20%

Qts0.32 –

Vas22 L +39%

BL12.0 T·m +5%

Xmax6 mm +11%

Sensitivity91.8 dB −1.9

PRV Audio8MR600X-4

£67.26

Fs77 Hz +10%

Qts0.34 +6%

Vas19.6 L +24%

BL8.9 T·m −22%

Xmax5.1 mm −6%

Sensitivity96 dB +2.3

B&C8PS21

£79.73

Fs73 Hz +4%

Qts0.33 +3%

Vas14 L −11%

BL12.6 T·m +11%

Xmax5 mm −7%

Sensitivity93.8 dB –

Sica8 S 2.5 CP

£80.30

Fs54 Hz −23%

Qts0.33 +3%

Vas18.6 L +18%

BL11.9 T·m +4%

Xmax5 mm −7%

Sensitivity91 dB −2.7

B&C8FMB51

£91.27

Fs67 Hz −4%

Qts0.28 −12%

Vas20.7 L +31%

BL11.3 T·m –

Xmax5.5 mm –

Sensitivity95.1 dB +1.4

B&C8FG51

£94.62

Fs49 Hz −30%

Qts0.32 –

Vas20 L +27%

BL12.9 T·m +13%

Xmax6.5 mm +20%

Sensitivity90.4 dB −3.3

Beyma8G40

£100.07

Fs70 Hz –

Qts0.36 +12%

Vas17 L +8%

BL12.2 T·m +7%

Xmax6.5 mm +20%

Sensitivity93.9 dB –

CIARENDI8

£103.24

Fs81 Hz +16%

Qts0.33 +3%

Vas13 L −18%

BL12.8 T·m +12%

Xmax4.5 mm −17%

Sensitivity94.9 dB +1.2

Sica8 FE 2 CP

£104.62

Fs67 Hz −4%

Qts0.32 –

Vas16.9 L +7%

BL12.3 T·m +8%

Xmax4.5 mm −17%

Sensitivity93.4 dB –

WavecorSW178WA01

£120.66

Fs38 Hz −46%

Qts0.36 +14%

Vas12.2 L −23%

BL12 T·m +5%

Xmax5 mm −7%

Sensitivity84.6 dB −9.1

B&C8CX21

£151.61

Fs74 Hz +6%

Qts0.36 +12%

Vas15 L −5%

BL11.5 T·m –

Xmax5.5 mm –

Sensitivity94 dB –

B&C8FCX51

£186.30

Fs69 Hz –

Qts0.34 +6%

Vas16 L –

BL11.5 T·m –

Xmax6 mm +11%

Sensitivity93.7 dB –

Eighteen Sound8CX650

£344.69

Fs65 Hz −7%

Qts0.35 +9%

Vas16.6 L +5%

BL12 T·m +5%

Xmax6 mm +11%

Sensitivity92.9 dB −0.8

Scanspeak18WE/8542T00

£837.27

Fs50 Hz −29%

Qts0.32 –

Vas16 L –

BL9.7 T·m −15%

Xmax7.7 mm +43%

Sensitivity89.7 dB −4

No photo

PHL Audio2420

No current price

Fs72 Hz –

Qts0.33 +3%

Vas13.3 L −16%

BL12.9 T·m +13%

Xmax5.5 mm –

Sensitivity93.3 dB –

No photo

PHL Audio2440

No current price

Fs77 Hz +10%

Qts0.31 −3%

Vas13.1 L −17%

BL12.8 T·m +12%

Xmax5 mm −7%

Sensitivity94.5 dB +0.8

LavoceCAF082.00K

No current price

Fs72 Hz –

Qts0.34 +6%

Vas15.1 L −5%

BL11.7 T·m –

Xmax6.7 mm +24%

Sensitivity93.7 dB –

Sica8 CX 2.5 PL P

No current price

Fs74 Hz +6%

Qts0.28 −12%

Vas16.2 L –

BL12.3 T·m +8%

Xmax5 mm −7%

Sensitivity95.1 dB +1.4

JensenBS8N250A-8

No current price

Fs59 Hz −16%

Qts0.37 +16%

Vas14.9 L −6%

BL12.8 T·m +13%

Xmax5 mm −7%

Sensitivity91 dB −2.7

Sica8 L 2 SL

No current price

Fs64 Hz −9%

Qts0.32 –

Vas18.2 L +15%

BL12.3 T·m +8%

Xmax3.5 mm −35%

Sensitivity93.3 dB –

HiViC8N

No current price

Fs38 Hz −46%

Qts0.32 –

Vas47.8 L +203%

BL10.7 T·m −6%

Xmax4.9 mm −9%

Sensitivity90.7 dB −3

WavecorWF182BD15

No current price

Fs39 Hz −44%

Qts0.32 –

Vas20.8 L +32%

BL8.5 T·m −25%

Xmax5.5 mm –

Sensitivity87.8 dB −5.9

HiViE8N

No current price

Fs35 Hz −50%

Qts0.33 +3%

Vas52.5 L +232%

BL10.4 T·m −9%

Xmax4.9 mm −9%

Sensitivity89.9 dB −3.8

CIARECMI200

No current price

Fs80 Hz +14%

Qts0.34 +6%

Vas12 L −24%

BL9.6 T·m −16%

Xmax4.5 mm −17%

Sensitivity94.4 dB +0.7

Oberton8MB201

No current price

Fs68 Hz −3%

Qts0.31 –

Vas14.7 L −7%

BL12.5 T·m +10%

Xmax7 mm +30%

Sensitivity93.4 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

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

Watch price

Shop	Price	Against the lowest	Stock	Link
Lean Audio Checked 24 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£135.00		Back order	Visit shop at Lean Audio
SoundImports Checked 24 Oct 2026 · Ships from Netherlands · Source: inc VAT Import VAT and duty may apply	£159.05		Back order	Visit shop at SoundImports