REDCATT154FIND
£82.89 · 42% less, betterFs38 Hz –
Qts0.40 +5%
Vas187.2 L +18%, worse
BL18.1 T·m –
Xmax4.5 mm −18%, worse
Sensitivity95.8 dB –
15-inch LF driver · KAPPA series · 600 W
Eminence KAPPA-15LFA 8Ω
8 Ω · 38–2700 Hz
£195.00
20%Thomann · In stock · All 4 offers
- Fs
- 39Hz
- Xmax
- 5.5mm
- SPL
- 96dB
- Pe
- 600W
- BL
- 18.6T·m
- Vd
- 471cm³
- Qts
- 0.38
- Vas
- 159L
Eminence KAPPA-15LFA is a 15-inch 8 ohm LF driver rated at 600 W RMS. The validated T/S data includes Fs 39 Hz, Qts 0.38, Vas 159 L, Xmax 5.5 mm, sensitivity 95.6 dB, plus 471 cm³ Vd and 95 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 £143.62.
The published T/S values agree with each other
Thiele/Small
- Fs
- 39Hz
- Qts
- 0.38
- Qes
- 0.41
- Qms
- 6.1
- Vas
- 159L
- Re
- 5.4Ω
- Le
- 1.27mH
Motor and cone
- BL
- 18.6T·m
- Sd
- 856cm²
- Mms
- 105g
- Xmax
- 5.5mm
- Vd †
- 471cm³
Power and response
- Sensitivity †
- 95.6dB
- Manufacturer sensitivity
- 99dB
- Power
- 600W
- Impedance
- 8Ω
- Range
- 38–2700Hz
- EBP †
- 95 · Sealed or vented
Size and mounting
- Diameter
- 385.1mm
- Cutout
- 352.3mm
- Bolt circle
- 369.8mm
- Depth
- 162.1mm
- Weight
- 9.1kg
Other published values
- Cms
- 0.15mm/N
- Xmech
- 10.4
- Power Program
- 1200
Sensitivity shows 95.6 dB, calculated from the T/S values. Eminence publishes 99.0 dB, 3.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 15″
- BL
- 18.6T·m
- Fs
- 39Hz
- Le
- 1.27mH
- Re
- 5.4Ω
- Sd
- 856cm²
- Cms
- 0.15mm/N
- Mms
- 105g
- Qes
- 0.41
- Qms
- 6.1
- Qts
- 0.38
- SPL
- 95.6dB
- Vas
- 159L
- Xmax
- 5.5mm
- Xmech
- 10.4
- Power
- 600W
- Impedance
- 8Ω
- Sensitivity
- 99dB
- Low limit
- 38Hz
- Power Program
- 1200
- Calculated sensitivity †
- 95.6dB
- High limit
- 2700Hz
- Manufacturer sensitivity
- 99dB
- Weight
- 9.1kg
- Diameter
- 385.1mm
- Depth
- 162.1mm
- Cutout
- 352.3mm
- Bolt circle
- 369.8mm
02
Compare
Same-size drivers, compared with the KAPPA-15LFA. Clear differences are green when better and red when worse.
This driverKAPPA-15LFA
Best price
£143.62
Fs
39 Hz
Qts
0.38
Vas
159 L
BL
18.6 T·m
Xmax
5.5 mm
Sensitivity
95.6 dB
Power
600 W
SB AudienceBIANCO-15MW500
£110.00 · 23% less, betterFs39 Hz –
Qts0.40 +5%
Vas171 L +8%
BL18.8 T·m –
Xmax7.6 mm +38%, better
Sensitivity96 dB –
CIAREPWA15.75
£146.53 · 2% moreFs44 Hz +13%, worse
Qts0.39 –
Vas135 L −15%, better
BL19.3 T·m +4%
Xmax7 mm +27%, better
Sensitivity96.5 dB +0.9
REDCATT152FIND-2
£159.51 · 11% more, worseFs44 Hz +13%, worse
Qts0.37 –
Vas128.5 L −19%, better
BL18.3 T·m –
Xmax4.5 mm −19%, worse
Sensitivity96.6 dB +1
CelestionFTR15-3070C
£166.00 · 16% more, worseFs41 Hz +6%
Qts0.38 –
Vas187.6 L +18%, worse
BL17.3 T·m −7%
Xmax5.5 mm –
Sensitivity96.9 dB +1.3
FaitalPRO15FH520
£211.00 · 47% more, worseFs36 Hz −8%
Qts0.39 –
Vas186.5 L +17%, worse
BL18.4 T·m –
Xmax8.8 mm +59%, better
Sensitivity95.3 dB –
BMS15N620
£216.43 · 51% more, worseFs41 Hz +5%
Qts0.35 −8%
Vas154 L −3%
BL20.6 T·m +11%, better
Xmax5.5 mm –
Sensitivity96.6 dB +1
BMS15CN682
£384.52 · 168% more, worseFs41 Hz +4%
Qts0.36 −5%
Vas137 L −14%, better
BL20.6 T·m +11%, better
Xmax5.5 mm –
Sensitivity95.9 dB –
Beyma15CXA400ND
£401.87 · 180% more, worseFs40 Hz –
Qts0.36 −5%
Vas196 L +23%, worse
BL19 T·m –
Xmax6 mm +9%
Sensitivity97.1 dB +1.5
Eighteen Sound15NCX750
£454.74 · 217% more, worseFs49 Hz +26%, worse
Qts0.37 –
Vas141 L −11%, better
BL18.4 T·m –
Xmax5.5 mm –
Sensitivity98.2 dB +2.6, better
Eighteen Sound15NCX750H
£470.84 · 228% more, worseFs49 Hz +26%, worse
Qts0.37 –
Vas141 L −11%, better
BL18.5 T·m –
Xmax5.5 mm –
Sensitivity98.2 dB +2.6, better
Sica15 CX 3 PL P
No current priceFs45 Hz +14%, worse
Qts0.40 +5%
Vas152.4 L −4%
BL17.3 T·m −7%
Xmax5.5 mm –
Sensitivity97.1 dB +1.5
Sica15 CX 3 PL T
No current priceFs45 Hz +14%, worse
Qts0.40 +5%
Vas152.4 L −4%
BL17.3 T·m −7%
Xmax5.5 mm –
Sensitivity97.1 dB +1.5
RCFMB15N301
No current priceFs48 Hz +23%, worse
Qts0.37 –
Vas134 L −16%, better
BL19.2 T·m +3%
Xmax6 mm +9%
Sensitivity97.8 dB +2.2, better
P.Audio15BM-500B-V3
No current priceFs41 Hz +5%
Qts0.37 –
Vas183.4 L +15%, worse
BL17.8 T·m −5%
Xmax4.8 mm −13%, worse
Sensitivity96.9 dB +1.3
BMS15CN680
No current priceFs41 Hz +4%
Qts0.36 −5%
Vas137 L −14%, better
BL20.6 T·m +11%, better
Xmax5.5 mm –
Sensitivity95.9 dB –
Sica15 FE 3 CP
No current priceFs40 Hz +3%
Qts0.33 −13%, better
Vas170.4 L +7%
BL19.1 T·m –
Xmax5.5 mm –
Sensitivity97.2 dB +1.6
Oberton15XL400
No current priceFs49 Hz +25%, worse
Qts0.34 −11%, better
Vas140 L −12%, better
BL18.9 T·m –
Xmax5.3 mm −5%
Sensitivity98.7 dB +3.1, better
Beyma15CXA400FE
No current priceFs40 Hz –
Qts0.42 +11%, worse
Vas191 L +20%, worse
BL18.2 T·m –
Xmax6 mm +9%
Sensitivity96.6 dB +1
P.Audio15NT-76MB
No current priceFs45 Hz +15%, worse
Qts0.43 +13%, worse
Vas133.7 L −16%, better
BL19.0 T·m –
Xmax5.2 mm −5%
Sensitivity96.4 dB +0.8
LavoceNBASS15-30
No current priceFs42 Hz +8%
Qts0.36 −5%
Vas143.1 L −10%, better
BL19.2 T·m +3%
Xmax6.6 mm +20%, better
Sensitivity96.5 dB +0.9
No current price
Fs38 Hz –
Qts0.35 −8%
Vas201 L +26%, worse
BL17.5 T·m −6%
Xmax6 mm +9%
Sensitivity96.5 dB +0.9
Precision DevicesPD.154NR1
No current priceFs46 Hz +18%, worse
Qts0.40 +5%
Vas158 L –
BL18.5 T·m –
Xmax8.5 mm +55%, better
Sensitivity97.6 dB +2, better
CelestionFTR15-3070E
No current priceFs46 Hz +18%, worse
Qts0.38 –
Vas145.8 L −8%
BL17.9 T·m −4%
Xmax7.8 mm +41%, better
Sensitivity97.2 dB +1.6
Eighteen Sound15ND840
No current priceFs43 Hz +10%, worse
Qts0.37 –
Vas163 L –
BL17.9 T·m −4%
Xmax9.5 mm +73%, better
Sensitivity97.2 dB +1.6
EminenceCANNABASS CB3015N-8
No current priceFs41 Hz +4%
Qts0.39 –
Vas162.9 L –
BL17.8 T·m −5%
Xmax7.2 mm +31%, better
Sensitivity96.1 dB +0.5
RCFM15P550
No current priceFs45 Hz +15%, worse
Qts0.37 –
Vas140 L −12%, better
BL19.8 T·m +6%
Xmax7 mm +27%, better
Sensitivity97 dB +1.4
P.AudioE15-300S-V2
No current priceFs44 Hz +13%, worse
Qts0.36 −5%
Vas156.2 L –
BL20.1 T·m +8%
Xmax4.3 mm −23%, worse
Sensitivity97.5 dB +1.9
P.Audio15FT-76MB
No current priceFs42 Hz +8%
Qts0.35 −8%
Vas150.9 L −5%
BL20.4 T·m +10%
Xmax4.7 mm −15%, worse
Sensitivity96.8 dB +1.2
P.AudioC15-600EL-V3
No current priceFs45 Hz +15%, worse
Qts0.40 +5%
Vas94.6 L −41%, better
BL20.4 T·m +10%
Xmax5.3 mm −5%
Sensitivity95 dB −0.6
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 5123 ratings · Checked 26 Oct 2026Read reviews on Thomann
- Parts Express4.9 out of 521 ratings · Checked 26 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 | £195.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Audio | £162.00 | Back order | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £143.62 | 4 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 14 OctThomann£198.00 → £195.00Down 1.5% from £198.00
- 6 OctThomann£199.00 → £198.00Down 0.5% from £199.00
- 26 JulThomann£198.00 → £199.00Up 0.5% from £198.00