EminenceKAPPA-15A
£125.19 · 28% less, betterFs33 Hz −6%
Qts0.32 +3%
Vas321.3 L +29%, worse
BL15.7 T·m +15%, better
Xmax4 mm −30%, worse
Sensitivity97.5 dB –
15-inch LF driver · PR series · 400 W
FaitalPRO 15PR400 4Ω
35–4000 Hz
£196.61
SteadyLean Business · All 9 offers
- Fs
- 35Hz
- Xmax
- 5.8mm
- SPL
- 97dB
- Pe
- 400W
- BL
- 13.6T·m
- Vd
- 493cm³
- Qts
- 0.31
- Vas
- 249L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 3 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
0 degrees
Frequency response
240 plotted pointsSource file SHA-256 6b0f4be1af03…Medium confidence931 selected pixels of 1,068 - Trace datasheet-response-trace-poc/v2
45 degrees
Frequency response
240 plotted pointsSource file SHA-256 6b0f4be1af03…Medium confidence1,300 selected pixels of 1,300 - Trace datasheet-response-trace-poc/v2
impedance
Impedance response
240 plotted pointsSource file SHA-256 6b0f4be1af03…Medium confidence1,287 selected pixels of 1,287
FaitalPRO 15PR400 is a 15-inch 4 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.31, Vas 248.9 L, Xmax 5.8 mm, sensitivity 97.1 dB, plus 493 cm³ Vd and 106 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 £174.68.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.31
- Qes
- 0.33
- Qms
- 6
- Vas
- 248.9L
- Re
- 3.3Ω
- Le
- 0.60mH
Motor and cone
- BL
- 13.6T·m
- Sd
- 857cm²
- Mms
- 85g
- Xmax
- 5.8mm
- Vd †
- 493cm³
Power and response
- Sensitivity †
- 97.1dB
- Manufacturer sensitivity
- 99dB
- Power
- 400W
- Impedance
- 4Ω
- Range
- 35–4000Hz
- EBP †
- 106 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 356mm
- Bolt circle
- 374mm
- Depth
- 165mm
- Weight
- 3.6kg
Other published values
- Cms
- 0.24mm/N
- Rms
- 3.10kg/s
- Power Program
- 800
Sensitivity shows 97.1 dB, calculated from the T/S values. FaitalPRO publishes 99.0 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else FaitalPRO lists
LF · Primary · 15″
- BL
- 13.6T·m
- Fs
- 35Hz
- Le
- 0.60mH
- Re
- 3.3Ω
- Sd
- 857cm²
- Cms
- 0.24mm/N
- Mms
- 85g
- Qes
- 0.33
- Qms
- 6
- Qts
- 0.31
- Rms
- 3.10kg/s
- SPL
- 97.1dB
- Vas
- 248.9L
- Xmax
- 5.8mm
- Power
- 400W
- Impedance
- 4Ω
- Sensitivity
- 99dB
- Low limit
- 35Hz
- Power Program
- 800
- Calculated sensitivity †
- 97.1dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 99dB
- Weight
- 3.6kg
- Diameter
- 393mm
- Depth
- 165mm
- Cutout
- 356mm
- Bolt circle
- 374mm
02
Compare
Same-size drivers, compared with the 15PR400. Clear differences are green when better and red when worse.
This driver15PR400
Best price
£174.68
Fs
35 Hz
Qts
0.31
Vas
248.9 L
BL
13.6 T·m
Xmax
5.8 mm
Sensitivity
97.1 dB
Power
400 W
Beyma15WRS400
£150.61 · 14% less, betterFs36 Hz –
Qts0.33 +6%
Vas236 L −5%
BL18.2 T·m +34%, better
Xmax6.3 mm +10%
Sensitivity97 dB –
Beyma15WR400
£165.43 · 5% less, betterFs36 Hz –
Qts0.30 −3%
Vas236 L −5%
BL19.2 T·m +41%, better
Xmax6.3 mm +10%
Sensitivity97.5 dB –
FaitalPRO15PR450
£165.48 · 5% less, betterFs35 Hz –
Qts0.35 +13%, worse
Vas235.6 L −5%
BL16.6 T·m +22%, better
Xmax6 mm +4%
Sensitivity96.4 dB −0.7
EminenceKAPPA PRO-15LF
£166.34 · 5% lessFs35 Hz –
Qts0.30 −3%
Vas198.8 L −20%, better
BL21.6 T·m +59%, better
Xmax6.7 mm +17%, better
Sensitivity96.3 dB −0.8
EminenceOMEGA PRO-15A
£167.67 · 4% lessFs33 Hz −6%
Qts0.32 +3%
Vas258.5 L +4%
BL17.5 T·m +29%, better
Xmax4.8 mm −17%, worse
Sensitivity96.5 dB −0.6
B&C15CLA76
£170.21 · 3% lessFs40 Hz +14%, worse
Qts0.30 −3%
Vas176 L −29%, better
BL19.8 T·m +46%, better
Xmax5.5 mm −4%
Sensitivity97.6 dB +0.5
Eighteen Sound15MB700
£174.30 · Same priceFs42 Hz +20%, worse
Qts0.29 −6%
Vas202 L −19%, better
BL17.6 T·m +29%, better
Xmax5.5 mm −4%
Sensitivity98.9 dB +1.8
Eighteen Sound15W700
£177.18 · 1% moreFs41 Hz +17%, worse
Qts0.27 −13%, better
Vas180 L −28%, better
BL14.7 T·m +8%
Xmax6.5 mm +13%, better
Sensitivity98.3 dB +1.2
Eighteen Sound15W750
£185.54 · 6% more, worseFs39 Hz +11%, worse
Qts0.29 −6%
Vas253 L –
BL14 T·m –
Xmax8 mm +39%, better
Sensitivity99 dB +1.9
FaitalPRO15FH520
£214.79 · 23% more, worseFs38 Hz +9%
Qts0.34 +10%
Vas153.2 L −38%, better
BL14.3 T·m +5%
Xmax9.2 mm +59%, better
Sensitivity95.8 dB −1.3
Eighteen Sound15ND830
£239.87 · 37% more, worseFs42 Hz +20%, worse
Qts0.34 +10%
Vas157 L −37%, better
BL14 T·m –
Xmax6.5 mm +13%, better
Sensitivity97.1 dB –
Eighteen Sound15MB1000
£259.50 · 49% more, worseFs48 Hz +37%, worse
Qts0.31 –
Vas132.5 L −47%, better
BL21 T·m +54%, better
Xmax6 mm +4%
Sensitivity98.6 dB +1.5
B&C15CXN76
£396.97 · 127% more, worseFs38 Hz +9%
Qts0.28 −10%
Vas246 L –
BL17.8 T·m +31%, better
Xmax6 mm +4%
Sensitivity98.6 dB +1.5
B&C15HCX76
£399.49 · 129% more, worseFs38 Hz +9%
Qts0.28 −10%
Vas246 L –
BL17.8 T·m +31%, better
Xmax6 mm +4%
Sensitivity98.6 dB +1.5
Acoustic EleganceTD15M-4
No current priceFs35 Hz –
Qts0.33 +6%
Vas312 L +25%, worse
BL11.8 T·m −13%, worse
Xmax6 mm +4%
Sensitivity97.7 dB +0.6
Beyma15XA38ND
No current priceFs38 Hz +9%
Qts0.30 −3%
Vas238 L −4%
BL20.4 T·m +50%, better
Xmax6 mm +4%
Sensitivity98.3 dB +1.2
MonacorSP-15A/402PA
No current priceFs36 Hz –
Qts0.31 –
Vas235 L −6%
BL19.9 T·m +46%, better
Xmax5 mm −13%, worse
Sensitivity97.2 dB –
Acoustic EleganceTD15M-8
No current priceFs35 Hz –
Qts0.33 +6%
Vas312 L +25%, worse
BL17 T·m +25%, better
Xmax6 mm +4%
Sensitivity97.7 dB +0.6
Sica15 FE 3 CP
No current priceFs40 Hz +15%, worse
Qts0.33 +6%
Vas170.4 L −32%, better
BL19.1 T·m +40%, better
Xmax5.5 mm −4%
Sensitivity97.2 dB –
Eighteen Sound15MB606
No current priceFs43 Hz +23%, worse
Qts0.35 +13%, worse
Vas223 L −10%, better
BL15.1 T·m +11%, better
Xmax4.5 mm −22%, worse
Sensitivity98.8 dB +1.7
Eighteen Sound15NMB420
No current priceFs42 Hz +20%, worse
Qts0.29 −6%
Vas225 L −10%
BL19 T·m +40%, better
Xmax6.5 mm +13%, better
Sensitivity99.5 dB +2.4, better
CelestionTF1530E
No current priceFs44 Hz +25%, worse
Qts0.33 +6%
Vas191.6 L −23%, better
BL17.0 T·m +25%, better
Xmax6.5 mm +13%, better
Sensitivity98.3 dB +1.2
Oberton15HCX
No current priceFs41 Hz +16%, worse
Qts0.30 −3%
Vas205.5 L −17%, better
BL17.1 T·m +26%, better
Xmax7.8 mm +35%, better
Sensitivity98.5 dB +1.4
No current price
Fs38 Hz +9%
Qts0.35 +13%, worse
Vas201 L −19%, better
BL17.5 T·m +29%, better
Xmax6 mm +4%
Sensitivity96.5 dB −0.6
CelestionNTR15-3018E
No current priceFs35 Hz –
Qts0.28 −9%
Vas207.3 L −17%, better
BL21.1 T·m +55%, better
Xmax5 mm −13%, worse
Sensitivity96.7 dB –
CelestionFTX1530
No current priceFs43 Hz +21%, worse
Qts0.28 −11%, better
Vas172.1 L −31%, better
BL20.2 T·m +48%, better
Xmax6 mm +4%
Sensitivity98.5 dB +1.4
Eighteen Sound15W600
No current priceFs38 Hz +9%
Qts0.29 −6%
Vas183 L −26%, better
BL20.5 T·m +51%, better
Xmax6.5 mm +13%, better
Sensitivity97.3 dB –
Oberton15L400
No current priceFs43 Hz +24%, worse
Qts0.29 −7%
Vas229.9 L −8%
BL16.9 T·m +24%, better
Xmax3.3 mm −43%, worse
Sensitivity100 dB +2.9, better
Eighteen Sound15W1301
No current priceFs48 Hz +37%, worse
Qts0.32 +3%
Vas123 L −51%, better
BL22.3 T·m +64%, better
Xmax6 mm +4%
Sensitivity97.7 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
- Parts Express4.2 out of 55 ratings · Checked 4 Nov 2026Read reviews on Parts Express
- SoundImports5.0 out of 52 ratings · Checked 4 Nov 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £196.61, the lowest price | Stock not listed | Visit shop at Lean Business | |
Blue Aran 9-11 weeks | £180.67 | Usually available in 9-11 weeks | Visit shop at Blue Aran | |
Blue Aran 9-11 weeks | £197.47 | 0.4% above the lowest price | Usually available in 9-11 weeks | Visit shop at Blue Aran |
Lean Audio | £197.47 | 0.4% above the lowest price | Back order | Visit shop at Lean Audio |
Audio Video Parts Import VAT and duty may apply | £197.99 | 0.7% above the lowest price | Special order | Visit shop at Audio Video Parts |
SoundImports Import VAT and duty may apply | £233.97 | 19% above the lowest price | 4 in stock | Visit shop at SoundImports |
Parts Express Import VAT and duty may apply | £298.83 | 52% above the lowest price | 3 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr