REDCATT154FIND
£83.19 · 40% less, betterFs38 Hz −19%, better
Qts0.40 +5%
Vas187.2 L +12%, worse
BL18.1 T·m +9%
Xmax4.5 mm +41%, better
Sensitivity95.8 dB −2.6, worse
15-inch LF driver · KAPPA PRO series · 500 W
Eminence KAPPA PRO-15A 8Ω
8 Ω · 46–4000 Hz
£179.00
SteadyThomann · In stock · All 4 offers
- Fs
- 47Hz
- Xmax
- 3.2mm
- SPL
- 98dB
- Pe
- 500W
- BL
- 16.6T·m
- Vd
- 274cm³
- Qts
- 0.38
- Vas
- 168L
Eminence KAPPA PRO-15A is a 15-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 47 Hz, Qts 0.38, Vas 167.7 L, Xmax 3.2 mm, sensitivity 98.4 dB, plus 274 cm³ Vd and 118 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 £138.60.
The published T/S values agree with each other
Thiele/Small
- Fs
- 47Hz
- Qts
- 0.38
- Qes
- 0.40
- Qms
- 8.0
- Vas
- 167.7L
- Re
- 5.2Ω
- Le
- 1.01mH
Motor and cone
- BL
- 16.6T·m
- Sd
- 856cm²
- Mms
- 72g
- Xmax
- 3.2mm
- Vd †
- 274cm³
Power and response
- Sensitivity †
- 98.4dB
- Manufacturer sensitivity
- 101dB
- Power
- 500W
- Impedance
- 8Ω
- Range
- 46–4000Hz
- EBP †
- 118 · Leans vented
Size and mounting
- Diameter
- 389.1mm
- Cutout
- 355.6mm
- Bolt circle
- 369.8mm
- Depth
- 153.9mm
- Weight
- 7.7kg
Other published values
- Cms
- 0.16mm/N
- Xmech
- 13.2
- Power Program
- 1000
Sensitivity shows 98.4 dB, calculated from the T/S values. Eminence publishes 101.0 dB, 2.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 15″
- BL
- 16.6T·m
- Fs
- 47Hz
- Le
- 1.01mH
- Re
- 5.2Ω
- Sd
- 856cm²
- Cms
- 0.16mm/N
- Mms
- 72g
- Qes
- 0.40
- Qms
- 8.0
- Qts
- 0.38
- SPL
- 98.4dB
- Vas
- 167.7L
- Xmax
- 3.2mm
- Xmech
- 13.2
- Power
- 500W
- Impedance
- 8Ω
- Sensitivity
- 101dB
- Low limit
- 46Hz
- Power Program
- 1000
- Calculated sensitivity †
- 98.4dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 101dB
- Weight
- 7.7kg
- Diameter
- 389.1mm
- Depth
- 153.9mm
- Cutout
- 355.6mm
- Bolt circle
- 369.8mm
02
Compare
Same-size drivers, compared with the KAPPA PRO-15A. Clear differences are green when better and red when worse.
This driverKAPPA PRO-15A
Best price
£138.60
Fs
47 Hz
Qts
0.38
Vas
167.7 L
BL
16.6 T·m
Xmax
3.2 mm
Sensitivity
98.4 dB
Power
500 W
P.Audio15BM-300B-V3
£100.00 · 28% less, betterFs48 Hz –
Qts0.40 +5%
Vas123.3 L −26%, better
BL19.2 T·m +16%, better
Xmax3.9 mm +22%, better
Sensitivity97 dB −1.4
SB AudienceBIANCO-15MW500
£110.00 · 21% less, betterFs39 Hz −17%, better
Qts0.40 +5%
Vas171 L –
BL18.8 T·m +13%, better
Xmax7.6 mm +137%, better
Sensitivity96 dB −2.4, worse
EminenceKAPPA-15LFA
£143.85 · 4% moreFs39 Hz −17%, better
Qts0.38 –
Vas159 L −5%
BL18.6 T·m +12%, better
Xmax5.5 mm +72%, better
Sensitivity95.6 dB −2.8, worse
CIAREPWA15.75
£147.05 · 6% more, worseFs44 Hz −6%
Qts0.39 –
Vas135 L −19%, better
BL19.3 T·m +16%, better
Xmax7 mm +119%, better
Sensitivity96.5 dB −1.9
£154.00 · 11% more, worse
Fs40 Hz −15%, better
Qts0.37 –
Vas188 L +12%, worse
BL19.7 T·m +19%, better
Xmax6.9 mm +116%, better
Sensitivity97 dB −1.4
REDCATT152FIND-2
£160.07 · 15% more, worseFs44 Hz −6%
Qts0.37 –
Vas128.5 L −23%, better
BL18.3 T·m +10%, better
Xmax4.5 mm +39%, better
Sensitivity96.6 dB −1.8
CelestionFTR15-3070C
£166.00 · 20% more, worseFs41 Hz −12%, better
Qts0.38 –
Vas187.6 L +12%, worse
BL17.3 T·m +4%
Xmax5.5 mm +72%, better
Sensitivity96.9 dB −1.5
Eighteen Sound15W750
£186.54 · 35% more, worseFs39 Hz −17%, better
Qts0.37 –
Vas218 L +30%, worse
BL17.6 T·m +6%
Xmax8 mm +150%, better
Sensitivity97.2 dB −1.2
FaitalPRO15FH520
£211.75 · 53% more, worseFs36 Hz −23%, better
Qts0.39 –
Vas186.5 L +11%, worse
BL18.4 T·m +11%, better
Xmax8.8 mm +173%, better
Sensitivity95.3 dB −3.1, worse
Eighteen Sound15NTLW3500
£318.15 · 130% more, worseFs45 Hz −4%
Qts0.39 –
Vas131 L −22%, better
BL19.5 T·m +17%, better
Xmax8.3 mm +159%, better
Sensitivity96.8 dB −1.6
Beyma15CXA400ND
£403.29 · 191% more, worseFs40 Hz −15%, better
Qts0.36 −5%
Vas196 L +17%, worse
BL19 T·m +14%, better
Xmax6 mm +87%, better
Sensitivity97.1 dB −1.3
Eighteen Sound15NCX750
£454.74 · 228% more, worseFs49 Hz +4%
Qts0.37 –
Vas141 L −16%, better
BL18.4 T·m +11%, better
Xmax5.5 mm +72%, better
Sensitivity98.2 dB –
Eighteen Sound15NCX750H
£470.84 · 240% more, worseFs49 Hz +4%
Qts0.37 –
Vas141 L −16%, better
BL18.5 T·m +11%, better
Xmax5.5 mm +72%, better
Sensitivity98.2 dB –
Eighteen Sound15ND840
No current priceFs43 Hz −9%
Qts0.37 –
Vas163 L –
BL17.9 T·m +8%
Xmax9.5 mm +197%, better
Sensitivity97.2 dB −1.2
P.Audio15BM-500B-V3
No current priceFs41 Hz −13%, better
Qts0.37 –
Vas183.4 L +9%
BL17.8 T·m +7%
Xmax4.8 mm +50%, better
Sensitivity96.9 dB −1.5
EminenceCANNABASS CB3015N-8
No current priceFs41 Hz −13%, better
Qts0.39 –
Vas162.9 L –
BL17.8 T·m +7%
Xmax7.2 mm +126%, better
Sensitivity96.1 dB −2.3, worse
CelestionTF1530SL
No current priceFs46 Hz –
Qts0.39 –
Vas140.1 L −16%, better
BL17.0 T·m –
Xmax4 mm +25%, better
Sensitivity96.9 dB −1.5
Sica15 CX 3 PL P
No current priceFs45 Hz −5%
Qts0.40 +5%
Vas152.4 L −9%
BL17.3 T·m +4%
Xmax5.5 mm +72%, better
Sensitivity97.1 dB −1.3
Sica15 CX 3 PL T
No current priceFs45 Hz −5%
Qts0.40 +5%
Vas152.4 L −9%
BL17.3 T·m +4%
Xmax5.5 mm +72%, better
Sensitivity97.1 dB −1.3
CelestionFTR15-3070E
No current priceFs46 Hz –
Qts0.38 –
Vas145.8 L −13%, better
BL17.9 T·m +8%
Xmax7.8 mm +142%, better
Sensitivity97.2 dB −1.2
Sica15 S 3 PL
No current priceFs33 Hz −30%, better
Qts0.38 –
Vas230 L +37%, worse
BL17.1 T·m +3%
Xmax8 mm +150%, better
Sensitivity95.3 dB −3.1, worse
Precision DevicesPD.154NR1
No current priceFs46 Hz –
Qts0.40 +5%
Vas158 L −6%
BL18.5 T·m +11%, better
Xmax8.5 mm +166%, better
Sensitivity97.6 dB −0.8
No current price
Fs38 Hz −19%, better
Qts0.35 −8%
Vas201 L +20%, worse
BL17.5 T·m +5%
Xmax6 mm +87%, better
Sensitivity96.5 dB −1.9
Oberton15CX
No current priceFs38 Hz −19%, better
Qts0.35 −8%
Vas163.8 L –
BL18.4 T·m +11%, better
Xmax7 mm +119%, better
Sensitivity95.9 dB −2.5, worse
Sica15 N 3 PL
No current priceFs47 Hz –
Qts0.37 –
Vas140.4 L −16%, better
BL18.4 T·m +11%, better
Xmax10 mm +213%, better
Sensitivity98 dB –
RCFMB15N301
No current priceFs48 Hz –
Qts0.37 –
Vas134 L −20%, better
BL19.2 T·m +16%, better
Xmax6 mm +87%, better
Sensitivity97.8 dB −0.6
No current price
Fs37 Hz −21%, better
Qts0.39 –
Vas236 L +41%, worse
BL15.9 T·m −4%
Xmax6.5 mm +103%, better
Sensitivity96.6 dB −1.8
Oberton15NCX
No current priceFs44 Hz −7%
Qts0.36 −5%
Vas138.4 L −17%, better
BL18.6 T·m +12%, better
Xmax7.8 mm +142%, better
Sensitivity96.9 dB −1.5
RCFM15P550
No current priceFs45 Hz −4%
Qts0.37 –
Vas140 L −17%, better
BL19.8 T·m +19%, better
Xmax7 mm +119%, better
Sensitivity97 dB −1.4
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.8 out of 544 ratings · Checked 21 Oct 2026Read reviews on Thomann
- Parts Express4.9 out of 521 ratings · Checked 21 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Thomann | £179.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Audio | £153.80 | Out of stock | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £138.60 | 6 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 18 JulThomann£181.00 → £179.00Down 1.1% from £181.00
- 10 JulThomann£183.00 → £181.00Down 1.1% from £183.00