12-inch LF driver · 400 W

Beyma 12CXA400ND 8Ω

Name: Beyma 12CXA400ND 8 Ohm
Brand: Beyma
SKU: 12CXA400ND
Availability: InStock

8 Ω · 50–20000 Hz

£349.99

Steady

Blue Aran · 1 in stock · All 1 offer

Open in 00 Simulator

Fs: 45Hz
Xmax: 6mm
SPL: 97dB
Pe: 400W
BL: 21.4T·m
Vd: 330cm³
Qts: 0.25
Vas: 89L

See all 22 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
216 plotted pointsMedium confidence1,606 selected pixels of 8,902
Manufacturer datasheet, page 2

Published graphs

Specifications

Published by Beyma

Manufacturer page

Datasheet PDF

Beyma 12CXA400ND is a 12-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 45 Hz, Qts 0.25, Vas 88.5 L, Xmax 6 mm, sensitivity 96.9 dB, plus 330 cm³ Vd and 173 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £349.99.

The published T/S values agree with each other

Thiele/Small

Fs: 45Hz
Qts: 0.25
Qes: 0.26
Qms: 7.1
Vas: 88.5L
Re: 6.6Ω
Le: 1mH

Motor and cone

BL: 21.4T·m
Sd: 550cm²
Mms: 64g
Xmax: 6mm
Vd †: 330cm³

Power and response

Sensitivity †: 96.9dB
Manufacturer sensitivity: 98dB
Power: 400W
Impedance: 8Ω
Range: 50–20000Hz
EBP †: 173 · Leans vented

Size and mounting

Weight: 6.5kg

Other published values

Cms: 0.21mm/N
Rms: 2.50kg/s
Power Program: 800

Sensitivity shows 96.9 dB, calculated from the T/S values. Beyma publishes 98.0 dB, 1.1 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Beyma lists

LF · Primary · 12″

BL: 21.4T·m
Fs: 45Hz
Le: 1mH
Re: 6.6Ω
Sd: 550cm²
Cms: 0.21mm/N
Mms: 64g
Qes: 0.26
Qms: 7.1
Qts: 0.25
Rms: 2.50kg/s
SPL: 96.9dB
Vas: 88.5L
Xmax: 6mm
Power: 400W
Impedance: 8Ω
Sensitivity: 98dB
Low limit: 50Hz
Power Program: 800
Calculated sensitivity †: 96.9dB
High limit: 20000Hz
Manufacturer sensitivity: 98dB
Weight: 6.5kg

Compare

Same-size drivers, compared with the 12CXA400ND. Clear differences are green when better and red when worse.

This driver12CXA400ND

Best price

£349.99

45 Hz

Qts

0.25

Vas

88.5 L

21.4 T·m

Xmax

6 mm

Sensitivity

96.9 dB

Power

400 W

SB AudienceROSSO-12MW300

£106.55 · 70% less

Fs48 Hz +7%

Qts0.27 +8%

Vas85.9 L –

BL17.4 T·m −19%

Xmax6.7 mm +11%

Sensitivity97.3 dB –

RCFMB12G301

£142.33 · 59% less

Fs53 Hz +18%

Qts0.27 +8%

Vas72 L −19%

BL17 T·m −21%

Xmax6 mm –

Sensitivity97.9 dB +1

Beyma12WR400

£144.08 · 59% less

Fs42 Hz −7%

Qts0.27 +8%

Vas91 L –

BL18 T·m −16%

Xmax6.3 mm +5%

Sensitivity95.8 dB −1.1

B&C12CLA76

£153.30 · 56% less

Fs52 Hz +16%

Qts0.25 –

Vas56 L −37%

BL20.2 T·m −6%

Xmax5.3 mm −12%

Sensitivity96.8 dB –

FaitalPRO12FH510

£163.54 · 53% less

Fs45 Hz –

Qts0.24 −4%

Vas81.3 L −8%

BL18.9 T·m −12%

Xmax7.5 mm +25%

Sensitivity96.7 dB –

FaitalPRO12FH500

£180.28 · 48% less

Fs45 Hz –

Qts0.25 –

Vas87.3 L –

BL17.5 T·m −18%

Xmax7.5 mm +25%

Sensitivity96.9 dB –

RCFMB12N301

£183.23 · 48% less

Fs54 Hz +20%

Qts0.24 −4%

Vas71 L −20%

BL19 T·m −11%

Xmax6 mm –

Sensitivity98.4 dB +1.5

BMS12S330

£204.98 · 41% less

Fs29 Hz −36%

Qts0.24 −4%

Vas85.5 L −3%

BL23 T·m +7%

Xmax8 mm +33%

Sensitivity91.1 dB −5.8

BMS12N610

£210.18 · 40% less

Fs47 Hz +4%

Qts0.24 −4%

Vas70 L −21%

BL21 T·m –

Xmax3.5 mm −42%

Sensitivity96.7 dB –

Beyma12MC700ND

£217.96 · 38% less

Fs51 Hz +13%

Qts0.24 −4%

Vas58 L −34%

BL21.6 T·m –

Xmax7 mm +17%

Sensitivity96.7 dB –

Eighteen Sound12ND730

£230.40 · 34% less

Fs45 Hz –

Qts0.23 −8%

Vas90 L –

BL19.2 T·m −10%

Xmax6.5 mm +8%

Sensitivity97.4 dB +0.5

Eighteen Sound12MB650

£231.73 · 34% less

Fs48 Hz +7%

Qts0.23 −8%

Vas90 L –

BL19 T·m −11%

Xmax5.5 mm −8%

Sensitivity98.2 dB +1.3

BMS12N620

£247.26 · 29% less

Fs45 Hz –

Qts0.25 –

Vas72.7 L −18%

BL20.6 T·m −4%

Xmax5.5 mm −8%

Sensitivity96 dB −0.9

Eighteen Sound12ND930

£248.59 · 29% less

Fs50 Hz +11%

Qts0.21 −16%

Vas70 L −21%

BL21.2 T·m –

Xmax6.5 mm +8%

Sensitivity98 dB +1.1

BMS12N802

£271.01 · 23% less

Fs43 Hz −4%

Qts0.24 −4%

Vas65 L −27%

BL22.3 T·m +4%

Xmax4.5 mm −25%

Sensitivity95.2 dB −1.7

BMS12N803

£285.67 · 18% less

Fs41 Hz −9%

Qts0.24 −4%

Vas77 L −13%

BL21.4 T·m –

Xmax6 mm –

Sensitivity95.3 dB −1.6

Beyma12CXA400FE

£337.46 · 4% less

Fs42 Hz −7%

Qts0.25 –

Vas94 L +6%

BL19.8 T·m −7%

Xmax6 mm –

Sensitivity96.3 dB −0.6

BMS12CN680

£365.51 · 4% more

Fs46 Hz –

Qts0.26 +4%

Vas58 L −34%

BL20.6 T·m −4%

Xmax5.5 mm −8%

Sensitivity95.2 dB −1.7

No photo

PHL Audio4071-1

No current price

Fs47 Hz +4%

Qts0.24 −4%

Vas57.8 L −35%

BL20.6 T·m −4%

Xmax6.5 mm +8%

Sensitivity95.7 dB −1.2

Oberton12B400

No current price

Fs50 Hz +12%

Qts0.25 –

Vas74.7 L −16%

BL18.4 T·m −14%

Xmax5.3 mm −13%

Sensitivity97.8 dB +0.9

Oberton12B401

No current price

Fs47 Hz +4%

Qts0.24 –

Vas69.6 L −21%

BL19.9 T·m −7%

Xmax6.8 mm +13%

Sensitivity96.5 dB –

LavoceCAN123.00T

No current price

Fs46 Hz –

Qts0.22 −12%

Vas91 L –

BL18.5 T·m −14%

Xmax6 mm –

Sensitivity97.9 dB +1

LavoceCAN123.00TH

No current price

Fs46 Hz –

Qts0.22 −12%

Vas91 L –

BL18.5 T·m −14%

Xmax6 mm –

Sensitivity97.9 dB +1

LavoceNBASS12-30

No current price

Fs46 Hz –

Qts0.26 +4%

Vas68.6 L −22%

BL19.5 T·m −9%

Xmax6.6 mm +10%

Sensitivity96 dB −0.9

Oberton12H4CX72

No current price

Fs50 Hz +11%

Qts0.25 –

Vas74.7 L −16%

BL19.9 T·m −7%

Xmax4.5 mm −25%

Sensitivity97.6 dB +0.7

RCFLF12P903

No current price

Fs47 Hz +4%

Qts0.23 −8%

Vas65 L −27%

BL22.1 T·m +3%

Xmax7 mm +17%

Sensitivity96.5 dB –

Sica12 K 4 PL

No current price

Fs49 Hz +8%

Qts0.25 –

Vas47.4 L −46%

BL22.9 T·m +7%

Xmax7 mm +17%

Sensitivity95 dB −1.9

PRV Audio12MB1000FT-4

No current price

Fs46 Hz –

Qts0.27 +8%

Vas95.5 L +8%

BL14.5 T·m −32%

Xmax6.1 mm –

Sensitivity97.1 dB –

Oberton12MB35

No current price

Fs51 Hz +14%

Qts0.27 +7%

Vas50.1 L −43%

BL20.5 T·m −4%

Xmax6.8 mm +13%

Sensitivity96 dB −0.9

Acoustic EleganceTD12M-8

No current price

Fs38 Hz −15%

Qts0.25 –

Vas140 L +58%

BL17 T·m −21%

Xmax6 mm –

Sensitivity96.6 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
Blue Aran Checked 9 Oct 2026 · Source: inc VAT · 20%	£349.99, the lowest price		1 in stock	Visit shop at Blue Aran

Best price over time

Tracked since 1 Apr

bits00 AUDIO

12-inch LF driver · 400 W

Beyma 12CXA400ND 8Ω

8 Ω · 50–20000 Hz

£349.99

Steady

Blue Aran · 1 in stock · All 1 offer

Open in 00 Simulator

Fs: 45Hz
Xmax: 6mm
SPL: 97dB
Pe: 400W
BL: 21.4T·m
Vd: 330cm³
Qts: 0.25
Vas: 89L

See all 22 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
216 plotted pointsMedium confidence1,606 selected pixels of 8,902
Manufacturer datasheet, page 2

Published graphs

Specifications

Published by Beyma

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 45Hz
Qts: 0.25
Qes: 0.26
Qms: 7.1
Vas: 88.5L
Re: 6.6Ω
Le: 1mH

Motor and cone

BL: 21.4T·m
Sd: 550cm²
Mms: 64g
Xmax: 6mm
Vd †: 330cm³

Power and response

Sensitivity †: 96.9dB
Manufacturer sensitivity: 98dB
Power: 400W
Impedance: 8Ω
Range: 50–20000Hz
EBP †: 173 · Leans vented

Size and mounting

Weight: 6.5kg

Other published values

Cms: 0.21mm/N
Rms: 2.50kg/s
Power Program: 800

Sensitivity shows 96.9 dB, calculated from the T/S values. Beyma publishes 98.0 dB, 1.1 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Beyma lists

LF · Primary · 12″

BL: 21.4T·m
Fs: 45Hz
Le: 1mH
Re: 6.6Ω
Sd: 550cm²
Cms: 0.21mm/N
Mms: 64g
Qes: 0.26
Qms: 7.1
Qts: 0.25
Rms: 2.50kg/s
SPL: 96.9dB
Vas: 88.5L
Xmax: 6mm
Power: 400W
Impedance: 8Ω
Sensitivity: 98dB
Low limit: 50Hz
Power Program: 800
Calculated sensitivity †: 96.9dB
High limit: 20000Hz
Manufacturer sensitivity: 98dB
Weight: 6.5kg

Compare

Same-size drivers, compared with the 12CXA400ND. Clear differences are green when better and red when worse.

This driver12CXA400ND

Best price

£349.99

45 Hz

Qts

0.25

Vas

88.5 L

21.4 T·m

Xmax

6 mm

Sensitivity

96.9 dB

Power

400 W

SB AudienceROSSO-12MW300

£106.55 · 70% less

Fs48 Hz +7%

Qts0.27 +8%

Vas85.9 L –

BL17.4 T·m −19%

Xmax6.7 mm +11%

Sensitivity97.3 dB –

RCFMB12G301

£142.33 · 59% less

Fs53 Hz +18%

Qts0.27 +8%

Vas72 L −19%

BL17 T·m −21%

Xmax6 mm –

Sensitivity97.9 dB +1

Beyma12WR400

£144.08 · 59% less

Fs42 Hz −7%

Qts0.27 +8%

Vas91 L –

BL18 T·m −16%

Xmax6.3 mm +5%

Sensitivity95.8 dB −1.1

B&C12CLA76

£153.30 · 56% less

Fs52 Hz +16%

Qts0.25 –

Vas56 L −37%

BL20.2 T·m −6%

Xmax5.3 mm −12%

Sensitivity96.8 dB –

FaitalPRO12FH510

£163.54 · 53% less

Fs45 Hz –

Qts0.24 −4%

Vas81.3 L −8%

BL18.9 T·m −12%

Xmax7.5 mm +25%

Sensitivity96.7 dB –

FaitalPRO12FH500

£180.28 · 48% less

Fs45 Hz –

Qts0.25 –

Vas87.3 L –

BL17.5 T·m −18%

Xmax7.5 mm +25%

Sensitivity96.9 dB –

RCFMB12N301

£183.23 · 48% less

Fs54 Hz +20%

Qts0.24 −4%

Vas71 L −20%

BL19 T·m −11%

Xmax6 mm –

Sensitivity98.4 dB +1.5

BMS12S330

£204.98 · 41% less

Fs29 Hz −36%

Qts0.24 −4%

Vas85.5 L −3%

BL23 T·m +7%

Xmax8 mm +33%

Sensitivity91.1 dB −5.8

BMS12N610

£210.18 · 40% less

Fs47 Hz +4%

Qts0.24 −4%

Vas70 L −21%

BL21 T·m –

Xmax3.5 mm −42%

Sensitivity96.7 dB –

Beyma12MC700ND

£217.96 · 38% less

Fs51 Hz +13%

Qts0.24 −4%

Vas58 L −34%

BL21.6 T·m –

Xmax7 mm +17%

Sensitivity96.7 dB –

Eighteen Sound12ND730

£230.40 · 34% less

Fs45 Hz –

Qts0.23 −8%

Vas90 L –

BL19.2 T·m −10%

Xmax6.5 mm +8%

Sensitivity97.4 dB +0.5

Eighteen Sound12MB650

£231.73 · 34% less

Fs48 Hz +7%

Qts0.23 −8%

Vas90 L –

BL19 T·m −11%

Xmax5.5 mm −8%

Sensitivity98.2 dB +1.3

BMS12N620

£247.26 · 29% less

Fs45 Hz –

Qts0.25 –

Vas72.7 L −18%

BL20.6 T·m −4%

Xmax5.5 mm −8%

Sensitivity96 dB −0.9

Eighteen Sound12ND930

£248.59 · 29% less

Fs50 Hz +11%

Qts0.21 −16%

Vas70 L −21%

BL21.2 T·m –

Xmax6.5 mm +8%

Sensitivity98 dB +1.1

BMS12N802

£271.01 · 23% less

Fs43 Hz −4%

Qts0.24 −4%

Vas65 L −27%

BL22.3 T·m +4%

Xmax4.5 mm −25%

Sensitivity95.2 dB −1.7

BMS12N803

£285.67 · 18% less

Fs41 Hz −9%

Qts0.24 −4%

Vas77 L −13%

BL21.4 T·m –

Xmax6 mm –

Sensitivity95.3 dB −1.6

Beyma12CXA400FE

£337.46 · 4% less

Fs42 Hz −7%

Qts0.25 –

Vas94 L +6%

BL19.8 T·m −7%

Xmax6 mm –

Sensitivity96.3 dB −0.6

BMS12CN680

£365.51 · 4% more

Fs46 Hz –

Qts0.26 +4%

Vas58 L −34%

BL20.6 T·m −4%

Xmax5.5 mm −8%

Sensitivity95.2 dB −1.7

No photo

PHL Audio4071-1

No current price

Fs47 Hz +4%

Qts0.24 −4%

Vas57.8 L −35%

BL20.6 T·m −4%

Xmax6.5 mm +8%

Sensitivity95.7 dB −1.2

Oberton12B400

No current price

Fs50 Hz +12%

Qts0.25 –

Vas74.7 L −16%

BL18.4 T·m −14%

Xmax5.3 mm −13%

Sensitivity97.8 dB +0.9

Oberton12B401

No current price

Fs47 Hz +4%

Qts0.24 –

Vas69.6 L −21%

BL19.9 T·m −7%

Xmax6.8 mm +13%

Sensitivity96.5 dB –

LavoceCAN123.00T

No current price

Fs46 Hz –

Qts0.22 −12%

Vas91 L –

BL18.5 T·m −14%

Xmax6 mm –

Sensitivity97.9 dB +1

LavoceCAN123.00TH

No current price

Fs46 Hz –

Qts0.22 −12%

Vas91 L –

BL18.5 T·m −14%

Xmax6 mm –

Sensitivity97.9 dB +1

LavoceNBASS12-30

No current price

Fs46 Hz –

Qts0.26 +4%

Vas68.6 L −22%

BL19.5 T·m −9%

Xmax6.6 mm +10%

Sensitivity96 dB −0.9

Oberton12H4CX72

No current price

Fs50 Hz +11%

Qts0.25 –

Vas74.7 L −16%

BL19.9 T·m −7%

Xmax4.5 mm −25%

Sensitivity97.6 dB +0.7

RCFLF12P903

No current price

Fs47 Hz +4%

Qts0.23 −8%

Vas65 L −27%

BL22.1 T·m +3%

Xmax7 mm +17%

Sensitivity96.5 dB –

Sica12 K 4 PL

No current price

Fs49 Hz +8%

Qts0.25 –

Vas47.4 L −46%

BL22.9 T·m +7%

Xmax7 mm +17%

Sensitivity95 dB −1.9

PRV Audio12MB1000FT-4

No current price

Fs46 Hz –

Qts0.27 +8%

Vas95.5 L +8%

BL14.5 T·m −32%

Xmax6.1 mm –

Sensitivity97.1 dB –

Oberton12MB35

No current price

Fs51 Hz +14%

Qts0.27 +7%

Vas50.1 L −43%

BL20.5 T·m −4%

Xmax6.8 mm +13%

Sensitivity96 dB −0.9

Acoustic EleganceTD12M-8

No current price

Fs38 Hz −15%

Qts0.25 –

Vas140 L +58%

BL17 T·m −21%

Xmax6 mm –

Sensitivity96.6 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
Blue Aran Checked 9 Oct 2026 · Source: inc VAT · 20%	£349.99, the lowest price		1 in stock	Visit shop at Blue Aran

Best price over time

Tracked since 1 Apr