Dayton AudioDC250-8
£50.06 · 52% less, betterFs25 Hz −29%, better
Qts0.38 –
Vas104 L –
BL12.6 T·m +78%, better
Xmax4.5 mm −27%, worse
Sensitivity87.7 dB −4.8, worse
10-inch LF driver · LEGEND BP series · 200 W
Eminence LEGEND BP 102-4 4Ω
4 Ω · 40–2000 Hz
£105.00
1.9%Thomann · In stock · All 2 offers
- Fs
- 35Hz
- Xmax
- 6.2mm
- SPL
- 93dB
- Pe
- 200W
- BL
- 7.1T·m
- Vd
- 214cm³
- Qts
- 0.38
- Vas
- 104L
Eminence LEGEND BP 102-4 is a 10-inch 4 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.38, Vas 103.8 L, Xmax 6.2 mm, sensitivity 92.5 dB, plus 214 cm³ Vd and 88 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 £105.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.38
- Qes
- 0.40
- Qms
- 10.6
- Vas
- 103.8L
- Re
- 2.7Ω
- Le
- 0.68mH
Motor and cone
- BL
- 7.1T·m
- Sd
- 345cm²
- Mms
- 34g
- Xmax
- 6.2mm
- Vd †
- 214cm³
Power and response
- Sensitivity †
- 92.5dB
- Manufacturer sensitivity
- 90.5dB
- Power
- 200W
- Impedance
- 4Ω
- Range
- 40–2000Hz
- EBP †
- 88 · Sealed or vented
Size and mounting
- Diameter
- 256.0mm
- Cutout
- 233.2mm
- Depth
- 108.0mm
- Weight
- 4.0kg
Other published values
- Cms
- 0.63mm/N
- Power Program
- 400
Sensitivity shows 92.5 dB, calculated from the T/S values. Eminence publishes 90.5 dB, 2.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 10″
- BL
- 7.1T·m
- Fs
- 35Hz
- Le
- 0.68mH
- Re
- 2.7Ω
- Sd
- 345cm²
- Cms
- 0.63mm/N
- Mms
- 34g
- Qes
- 0.40
- Qms
- 10.6
- Qts
- 0.38
- SPL
- 92.5dB
- Vas
- 103.8L
- Xmax
- 6.2mm
- Power
- 200W
- Impedance
- 4Ω
- Sensitivity
- 90.5dB
- Low limit
- 40Hz
- Power Program
- 400
- Calculated sensitivity †
- 92.5dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 90.5dB
- Weight
- 4.0kg
- Diameter
- 256.0mm
- Depth
- 108.0mm
- Cutout
- 233.2mm
02
Compare
Same-size drivers, compared with the LEGEND BP 102-4. Clear differences are green when better and red when worse.
This driverLEGEND BP 102-4
Best price
£105.00
Fs
35 Hz
Qts
0.38
Vas
103.8 L
BL
7.1 T·m
Xmax
6.2 mm
Sensitivity
92.5 dB
Power
200 W
SB AudienceBIANCO-10MW150
£50.73 · 52% less, betterFs65 Hz +86%, worse
Qts0.39 –
Vas25.8 L −75%, better
BL15.1 T·m +113%, better
Xmax5.6 mm −9%
Sensitivity94.5 dB +2, better
SB AcousticsSB26SFCL38-4
£57.58 · 45% less, betterFs27 Hz −22%, better
Qts0.43 +13%, worse
Vas104 L –
BL8.2 T·m +15%, better
Xmax7.9 mm +27%, better
Sensitivity88.6 dB −3.9, worse
FaitalPRO10FE300
£71.87 · 32% less, betterFs50 Hz +43%, worse
Qts0.39 –
Vas49 L −53%, better
BL9.7 T·m +37%, better
Xmax5.5 mm −12%, worse
Sensitivity93.8 dB +1.3
VisatonW 250 S
£72.04 · 31% less, betterFs33 Hz −6%
Qts0.35 −8%
Vas135 L +30%, worse
BL8.9 T·m +25%, better
Xmax5 mm −19%, worse
Sensitivity92.6 dB –
Beyma10WRS300
£75.00 · 29% less, betterFs52 Hz +49%, worse
Qts0.38 –
Vas42 L −60%, better
BL13.9 T·m +96%, better
Xmax6 mm −3%
Sensitivity93.7 dB +1.2
Beyma10BR60
£86.08 · 18% less, betterFs29 Hz −17%, better
Qts0.39 –
Vas142 L +37%, worse
BL10.9 T·m +54%, better
Xmax6.5 mm +5%
Sensitivity91 dB −1.5
Dayton AudioDSA270-8
£89.41 · 15% less, betterFs30 Hz −15%, better
Qts0.39 –
Vas88.1 L −15%, better
BL11.2 T·m +58%, better
Xmax5.5 mm −11%, worse
Sensitivity88.9 dB −3.6, worse
EminenceLEGEND BP102
£91.00 · 13% less, betterFs35 Hz –
Qts0.43 +13%, worse
Vas91.2 L −12%, better
BL10 T·m +41%, better
Xmax6.2 mm –
Sensitivity91.2 dB −1.3
Beyma10WR300
£102.41 · 2% lessFs52 Hz +49%, worse
Qts0.35 −8%
Vas42 L −60%, better
BL14.2 T·m +100%, better
Xmax6 mm −3%
Sensitivity93.8 dB +1.3
EminenceBETA 10CX
£106.91 · 2% moreFs49 Hz +40%, worse
Qts0.38 –
Vas61.1 L −41%, better
BL10.9 T·m +53%, better
Xmax5 mm −19%, worse
Sensitivity94.5 dB +2, better
CIAREHW251N
£108.65 · 3% moreFs30 Hz −14%, better
Qts0.35 −8%
Vas88 L −15%, better
BL13.0 T·m +83%, better
Xmax5.7 mm −8%
Sensitivity90 dB −2.5, worse
Scanspeak26W/4534G00
£132.05 · 26% more, worseFs23 Hz −34%, better
Qts0.36 −5%
Vas156 L +50%, worse
BL8.8 T·m +24%, better
Xmax6 mm −3%
Sensitivity89.1 dB −3.4, worse
Scanspeak26W/8534G00
£132.05 · 26% more, worseFs23 Hz −34%, better
Qts0.40 +5%
Vas150 L +45%, worse
BL10.1 T·m +42%, better
Xmax6 mm −3%
Sensitivity88.4 dB −4.1, worse
SB AcousticsSB29NRX75-6
£134.39 · 28% more, worseFs21 Hz −40%, better
Qts0.35 −8%
Vas102 L –
BL10.7 T·m +51%, better
Xmax11 mm +77%, better
Sensitivity86 dB −6.5, worse
SB AcousticsSB29NRX75-8
£142.00 · 35% more, worseFs26 Hz −26%, better
Qts0.37 –
Vas85.6 L −18%, better
BL12.4 T·m +75%, better
Xmax11 mm +77%, better
Sensitivity87.9 dB −4.6, worse
SB AcousticsWO24P-8
£185.95 · 77% more, worseFs25 Hz −30%, better
Qts0.38 –
Vas87.5 L −16%, better
BL9.9 T·m +39%, better
Xmax8.5 mm +37%, better
Sensitivity87 dB −5.5, worse
SB AcousticsWO24P-4
£195.57 · 86% more, worseFs28 Hz −20%, better
Qts0.40 +5%
Vas71 L −32%, better
BL7.6 T·m +7%
Xmax8.5 mm +37%, better
Sensitivity87.7 dB −4.8, worse
Scanspeak25W/8565-00
£221.44 · 111% more, worseFs20 Hz −43%, better
Qts0.41 +8%
Vas225 L +117%, worse
BL8.2 T·m +15%, better
Xmax6.5 mm +5%
Sensitivity88.1 dB −4.4, worse
Eighteen Sound10CX650
£261.58 · 149% more, worseFs54 Hz +54%, worse
Qts0.35 −8%
Vas36.4 L −65%, better
BL14 T·m +97%, better
Xmax6 mm −3%
Sensitivity93.7 dB +1.2
SB AcousticsWO24TX-4
£292.44 · 179% more, worseFs26 Hz −25%, better
Qts0.35 −8%
Vas79 L −24%, better
BL7.9 T·m +11%, better
Xmax8.8 mm +41%, better
Sensitivity87.9 dB −4.6, worse
Sica10 H 2 CS
No current priceFs30 Hz −13%, better
Qts0.37 –
Vas84.3 L −19%, better
BL12.4 T·m +74%, better
Xmax6 mm −3%
Sensitivity89.6 dB −2.9, worse
Dayton AudioSD270A-88
No current priceFs26 Hz −25%, better
Qts0.43 +13%, worse
Vas107.5 L +4%
BL7.8 T·m +10%
Xmax6 mm −3%
Sensitivity87.9 dB −4.6, worse
MonacorSP-252C
No current priceFs35 Hz –
Qts0.41 +8%
Vas96 L −8%
BL8.1 T·m +14%, better
Xmax5 mm −19%, worse
Sensitivity91.5 dB −1
HiViSS10
No current priceFs28 Hz −21%, better
Qts0.36 −5%
Vas105.7 L –
BL10.4 T·m +47%, better
Xmax7.3 mm +18%, better
Sensitivity89.7 dB −2.8, worse
Dayton AudioRS270P-8A
No current priceFs23 Hz −35%, better
Qts0.32 −16%, better
Vas110.5 L +6%
BL13 T·m +83%, better
Xmax6 mm −3%
Sensitivity87 dB −5.5, worse
Beyma10CX300
No current priceFs48 Hz +37%, worse
Qts0.38 –
Vas63 L −39%, better
BL11.7 T·m +64%, better
Xmax6.7 mm +8%
Sensitivity94.3 dB +1.8
HiViW10
No current priceFs35 Hz –
Qts0.37 –
Vas81.4 L −22%, better
BL12.8 T·m +80%, better
Xmax7 mm +13%, better
Sensitivity90.9 dB −1.6
WavecorWF275BD01
No current priceFs27 Hz −23%, better
Qts0.37 –
Vas81.5 L −21%, better
BL8.9 T·m +25%, better
Xmax9 mm +45%, better
Sensitivity88.3 dB −4.2, worse
LavoceNBASS10-20
No current priceFs52 Hz +49%, worse
Qts0.39 –
Vas43.4 L −58%, better
BL12.5 T·m +76%, better
Xmax6.6 mm +6%
Sensitivity93.6 dB +1.1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.5 out of 543 ratings · Checked 4 Nov 2026Read reviews on Thomann
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Thomann | £105.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Business Not currently listed · Last seen 23 Sep 2026 | £95.00 | Stock not listed | Visit shop at Lean Business |
Best price over time
Tracked since 2 Apr
Recent changes
- 22 OctThomann£107.00 → £105.00Down 1.9% from £107.00
- 14 OctThomann£108.00 → £107.00Down 0.9% from £108.00
- 6 OctThomann£109.00 → £108.00Down 0.9% from £109.00