Dayton AudioDC380-8
£86.01 · 32% less, betterFs19 Hz −43%, better
Qts0.30 −6%
Vas391.4 L +22%, worse
BL20.4 T·m +30%, better
Xmax4.3 mm +9%
Sensitivity90.9 dB −6.6, worse
15-inch LF driver · KAPPA series · 450 W
Eminence KAPPA-15A 8Ω
8 Ω · 52–2300 Hz
£125.67
Parts Express · 3 in stock · Ships from United States · All 5 offers
- Fs
- 33Hz
- Xmax
- 4mm
- SPL
- 98dB
- Pe
- 450W
- BL
- 15.7T·m
- Vd
- 343cm³
- Qts
- 0.32
- Vas
- 321L
Eminence KAPPA-15A is a 15-inch 8 ohm LF driver rated at 450 W RMS. The validated T/S data includes Fs 33 Hz, Qts 0.32, Vas 321.3 L, Xmax 4 mm, sensitivity 97.5 dB, plus 343 cm³ Vd and 100 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 £125.67.
The published T/S values agree with each other
Thiele/Small
- Fs
- 33Hz
- Qts
- 0.32
- Qes
- 0.33
- Qms
- 8.9
- Vas
- 321.3L
- Re
- 5.2Ω
- Le
- 1.05mH
Motor and cone
- BL
- 15.7T·m
- Sd
- 856cm²
- Mms
- 76g
- Xmax
- 4mm
- Vd †
- 343cm³
Power and response
- Sensitivity †
- 97.5dB
- Manufacturer sensitivity
- 100.5dB
- Power
- 450W
- Impedance
- 8Ω
- Range
- 52–2300Hz
- EBP †
- 100 · Sealed or vented
Size and mounting
- Diameter
- 385.1mm
- Cutout
- 352.3mm
- Bolt circle
- 369.8mm
- Depth
- 155.7mm
- Weight
- 8.0kg
Other published values
- Cms
- 0.31mm/N
- Xmech
- 11.6
- Power Program
- 900
Sensitivity shows 97.5 dB, calculated from the T/S values. Eminence publishes 100.5 dB, 3.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 15″
- BL
- 15.7T·m
- Fs
- 33Hz
- Le
- 1.05mH
- Re
- 5.2Ω
- Sd
- 856cm²
- Cms
- 0.31mm/N
- Mms
- 76g
- Qes
- 0.33
- Qms
- 8.9
- Qts
- 0.32
- SPL
- 97.5dB
- Vas
- 321.3L
- Xmax
- 4mm
- Xmech
- 11.6
- Power
- 450W
- Impedance
- 8Ω
- Sensitivity
- 100.5dB
- Low limit
- 52Hz
- Power Program
- 900
- Calculated sensitivity †
- 97.5dB
- High limit
- 2300Hz
- Manufacturer sensitivity
- 100.5dB
- Weight
- 8.0kg
- Diameter
- 385.1mm
- Depth
- 155.7mm
- Cutout
- 352.3mm
- Bolt circle
- 369.8mm
02
Compare
Same-size drivers, compared with the KAPPA-15A. Clear differences are green when better and red when worse.
This driverKAPPA-15A
Best price
£125.67
Fs
33 Hz
Qts
0.32
Vas
321.3 L
BL
15.7 T·m
Xmax
4 mm
Sensitivity
97.5 dB
Power
450 W
CelestionTF1530
£118.90 · 5% less, betterFs42 Hz +27%, worse
Qts0.28 −12%, better
Vas162.2 L −50%, better
BL21.2 T·m +35%, better
Xmax4 mm –
Sensitivity97.9 dB –
Beyma15WRS400
£150.88 · 20% more, worseFs36 Hz +9%
Qts0.33 +3%
Vas236 L −27%, better
BL18.2 T·m +16%, better
Xmax6.3 mm +57%, better
Sensitivity97 dB −0.5
Beyma15WR400
£165.43 · 32% more, worseFs36 Hz +9%
Qts0.30 −6%
Vas236 L −27%, better
BL19.2 T·m +22%, better
Xmax6.3 mm +57%, better
Sensitivity97.5 dB –
FaitalPRO15PR450
£165.79 · 32% more, worseFs35 Hz +6%
Qts0.35 +9%
Vas235.6 L −27%, better
BL16.6 T·m +6%
Xmax6 mm +50%, better
Sensitivity96.4 dB −1.1
FaitalPRO15PR400
£166.62 · 33% more, worseFs35 Hz +6%
Qts0.32 –
Vas248.9 L −23%, better
BL16.7 T·m +6%
Xmax5.8 mm +44%, better
Sensitivity97 dB −0.5
Dayton AudioDCS385-4
£167.38 · 33% more, worseFs18 Hz −47%, better
Qts0.39 +22%, worse
Vas311 L −3%
BL15.4 T·m –
Xmax9.3 mm +133%, better
Sensitivity88 dB −9.5, worse
EminenceOMEGA PRO-15A
£168.30 · 34% more, worseFs33 Hz –
Qts0.32 –
Vas258.5 L −20%, better
BL17.5 T·m +11%, better
Xmax4.8 mm +20%, better
Sensitivity96.5 dB −1
Eighteen Sound15MB700
£174.30 · 39% more, worseFs42 Hz +27%, worse
Qts0.29 −9%
Vas202 L −37%, better
BL17.6 T·m +12%, better
Xmax5.5 mm +38%, better
Sensitivity98.9 dB +1.4
Eighteen Sound15W700
£177.51 · 41% more, worseFs38 Hz +15%, worse
Qts0.30 −6%
Vas217 L −32%, better
BL18.4 T·m +17%, better
Xmax6.5 mm +63%, better
Sensitivity97.6 dB –
FaitalPRO15FH500
£208.49 · 66% more, worseFs35 Hz +6%
Qts0.31 −3%
Vas199.2 L −38%, better
BL19.2 T·m +22%, better
Xmax9.3 mm +131%, better
Sensitivity96.3 dB −1.2
Eighteen Sound15ND830
£239.90 · 91% more, worseFs39 Hz +18%, worse
Qts0.32 –
Vas213 L −34%, better
BL18 T·m +15%, better
Xmax6.5 mm +63%, better
Sensitivity97.6 dB –
VisatonPAW 46
£309.76 · 146% more, worseFs29 Hz −12%, better
Qts0.36 +12%, worse
Vas325 L –
BL23.6 T·m +50%, better
Xmax4.9 mm +23%, better
Sensitivity95.2 dB −2.3, worse
SB AcousticsSB42FHCL75-6
£334.84 · 166% more, worseFs18 Hz −44%, better
Qts0.31 −3%
Vas462 L +44%, worse
BL16.7 T·m +6%
Xmax11.5 mm +188%, better
Sensitivity91.6 dB −5.9, worse
B&C15CXN76
£396.97 · 216% more, worseFs38 Hz +15%, worse
Qts0.28 −12%, better
Vas246 L −23%, better
BL17.8 T·m +13%, better
Xmax6 mm +50%, better
Sensitivity98.6 dB +1.1
B&C15HCX76
£399.49 · 218% more, worseFs38 Hz +15%, worse
Qts0.28 −12%, better
Vas246 L −23%, better
BL17.8 T·m +13%, better
Xmax6 mm +50%, better
Sensitivity98.6 dB +1.1
Acoustic EleganceTD15M-8
No current priceFs35 Hz +5%
Qts0.33 +3%
Vas312 L –
BL17 T·m +8%
Xmax6 mm +50%, better
Sensitivity97.7 dB –
Eighteen Sound15MB606
No current priceFs43 Hz +30%, worse
Qts0.35 +9%
Vas223 L −31%, better
BL15.1 T·m −4%
Xmax4.5 mm +13%, better
Sensitivity98.8 dB +1.3
Supravox380-2000 EXC LC
No current priceFs31 Hz −6%
Qts0.34 +7%
Vas300.8 L −6%
BL17.3 T·m +10%, better
Xmax7 mm +75%, better
Sensitivity96 dB −1.5
CelestionTN1530
No current priceFs43 Hz +29%, worse
Qts0.32 –
Vas156.6 L −51%, better
BL19.3 T·m +23%, better
Xmax3.8 mm −6%
Sensitivity97.3 dB –
Oberton15L400
No current priceFs43 Hz +31%, worse
Qts0.29 −10%, better
Vas229.9 L −28%, better
BL16.9 T·m +7%
Xmax3.3 mm −19%, worse
Sensitivity100 dB +2.5, better
Acoustic EleganceTD15M-4
No current priceFs35 Hz +5%
Qts0.33 +3%
Vas312 L –
BL11.8 T·m −25%, worse
Xmax6 mm +50%, better
Sensitivity97.7 dB –
MonacorSP-15A/402PA
No current priceFs36 Hz +9%
Qts0.31 −3%
Vas235 L −27%, better
BL19.9 T·m +27%, better
Xmax5 mm +25%, better
Sensitivity97.2 dB –
Oberton15HCX
No current priceFs41 Hz +23%, worse
Qts0.30 −6%
Vas205.5 L −36%, better
BL17.1 T·m +9%
Xmax7.8 mm +94%, better
Sensitivity98.5 dB +1
CelestionTF1530E
No current priceFs44 Hz +32%, worse
Qts0.33 –
Vas191.6 L −40%, better
BL17.0 T·m +8%
Xmax6.5 mm +63%, better
Sensitivity98.3 dB +0.8
Eighteen Sound15MB650
No current priceFs40 Hz +21%, worse
Qts0.26 −19%, better
Vas210 L −35%, better
BL20 T·m +27%, better
Xmax4 mm –
Sensitivity99 dB +1.5
Oberton15NMB35
No current priceFs39 Hz +18%, worse
Qts0.34 +5%
Vas177.5 L −45%, better
BL18.5 T·m +18%, better
Xmax6.8 mm +69%, better
Sensitivity96.8 dB −0.7
Acoustic EleganceTD15X-8
No current priceFs23 Hz −30%, better
Qts0.28 −12%, better
Vas467 L +45%, worse
BL16.7 T·m +6%
Xmax14 mm +250%, better
Sensitivity94.8 dB −2.7, worse
Audio Technology15 F 102 25 10 KAP
No current priceFs22 Hz −33%, better
Qts0.29 −9%
Vas410 L +28%, worse
BL18.6 T·m +18%, better
Xmax8.6 mm +115%, better
Sensitivity93.7 dB −3.8, worse
Sica15 FE 3 CP
No current priceFs40 Hz +22%, worse
Qts0.33 +3%
Vas170.4 L −47%, better
BL19.1 T·m +22%, better
Xmax5.5 mm +38%, better
Sensitivity97.2 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.7 out of 536 ratings · Checked 25 Oct 2026Read reviews on Thomann
- Parts Express4.1 out of 57 ratings · Checked 25 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 |
|---|---|---|---|---|
Parts Express Import VAT and duty may apply | £125.67, the lowest price | 3 in stock | Visit shop at Parts Express | |
Lean Audio | £142.45 | 13% above the lowest price | Out of stock | Visit shop at Lean Audio |
Thomann usually 2-5 days | £175.00 | 39% above the lowest price | Out of stock | Visit shop at Thomann |
Best price over time
Tracked since 30 Sep