PeerlessFSL-1520R02-08
£66.20 · 42% less, betterFs43 Hz +8%
Qts0.70 +43%, worse
Vas203 L −20%, better
BL11.8 T·m +14%, better
Xmax6.0 mm –
Sensitivity95.4 dB −1.5
15-inch LF driver · DELTA series · 600 W
Eminence DELTA 15LF-4 4Ω
4 Ω · 40–2200 Hz
£141.00
12%Lean Audio · 1 in stock · All 6 offers
- Fs
- 40Hz
- Xmax
- 6.0mm
- SPL
- 97dB
- Pe
- 600W
- BL
- 10.3T·m
- Vd
- 521cm³
- Qts
- 0.49
- Vas
- 254L
Eminence DELTA 15LF-4 is a 15-inch 4 ohm LF driver rated at 600 W RMS. The validated T/S data includes Fs 40 Hz, Qts 0.49, Vas 253.9 L, Xmax 6.0 mm, sensitivity 96.9 dB, plus 521 cm³ Vd and 75 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 £113.70.
The published T/S values agree with each other
Thiele/Small
- Fs
- 40Hz
- Qts
- 0.49
- Qes
- 0.53
- Qms
- 6.2
- Vas
- 253.9L
- Re
- 3.4Ω
- Le
- 0.76mH
Motor and cone
- BL
- 10.3T·m
- Sd
- 873cm²
- Mms
- 66g
- Xmax
- 6.0mm
- Vd †
- 521cm³
Power and response
- Sensitivity †
- 96.9dB
- Manufacturer sensitivity
- 95dB
- Power
- 600W
- Impedance
- 4Ω
- Range
- 40–2200Hz
- EBP †
- 75 · Sealed or vented
Size and mounting
- Diameter
- 384.8mm
- Cutout
- 352.3mm
- Bolt circle
- 369.8mm
- Depth
- 160.0mm
- Weight
- 5.8kg
Other published values
- Cms
- 0.24mm/N
- Xmech
- 16.5
- Power Program
- 1200
Sensitivity shows 96.9 dB, calculated from the T/S values. Eminence publishes 95.0 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 15″
- BL
- 10.3T·m
- Fs
- 40Hz
- Le
- 0.76mH
- Re
- 3.4Ω
- Sd
- 873cm²
- Cms
- 0.24mm/N
- Mms
- 66g
- Qes
- 0.53
- Qms
- 6.2
- Qts
- 0.49
- SPL
- 96.9dB
- Vas
- 253.9L
- Xmax
- 6.0mm
- Xmech
- 16.5
- Power
- 600W
- Impedance
- 4Ω
- Sensitivity
- 95dB
- Low limit
- 40Hz
- Power Program
- 1200
- Calculated sensitivity †
- 96.9dB
- High limit
- 2200Hz
- Manufacturer sensitivity
- 95dB
- Weight
- 5.8kg
- Diameter
- 384.8mm
- Depth
- 160.0mm
- Cutout
- 352.3mm
- Bolt circle
- 369.8mm
02
Compare
Same-size drivers, compared with the DELTA 15LF-4. Clear differences are green when better and red when worse.
This driverDELTA 15LF-4
Best price
£113.70
Fs
40 Hz
Qts
0.49
Vas
253.9 L
BL
10.3 T·m
Xmax
6.0 mm
Sensitivity
96.9 dB
Power
600 W
CelestionTF1525
£79.00 · 31% less, betterFs48 Hz +19%, worse
Qts0.49 –
Vas148.4 L −42%, better
BL14.6 T·m +41%, better
Xmax4.5 mm −25%, worse
Sensitivity96.6 dB –
SB AudienceBIANCO-15MW200
£79.50 · 30% less, betterFs44 Hz +10%, worse
Qts0.58 +18%, worse
Vas153.3 L −40%, better
BL15.9 T·m +54%, better
Xmax5.9 mm –
Sensitivity95.3 dB −1.6
SB AudienceBIANCO-15MW350
£94.10 · 17% less, betterFs39 Hz –
Qts0.48 –
Vas157.5 L −38%, better
BL16.9 T·m +64%, better
Xmax7.4 mm +24%, better
Sensitivity94.8 dB −2.1, worse
Beyma15CMV2
£95.00 · 16% less, betterFs49 Hz +23%, worse
Qts0.49 –
Vas104 L −59%, better
BL18.8 T·m +82%, better
Xmax7 mm +17%, better
Sensitivity95.5 dB −1.4
CelestionTF1525E
£99.00 · 13% less, betterFs48 Hz +19%, worse
Qts0.47 −3%
Vas141.8 L −44%, better
BL17.8 T·m +72%, better
Xmax5.3 mm −12%, worse
Sensitivity96.6 dB –
EminenceDELTA-15A
£110.70 · 3% lessFs40 Hz –
Qts0.53 +8%
Vas270.7 L +7%
BL13.2 T·m +28%, better
Xmax2.7 mm −55%, worse
Sensitivity96.9 dB –
MonacorTF1525E/4
£113.03 · Same priceFs48 Hz +19%, worse
Qts0.47 −3%
Vas141.8 L −44%, better
BL17.8 T·m +72%, better
Xmax5.3 mm −12%, worse
Sensitivity96.6 dB –
EminenceLEGEND CA154
£132.42 · 16% more, worseFs51 Hz +28%, worse
Qts0.49 –
Vas108.2 L −57%, better
BL12.2 T·m +18%, better
Xmax5 mm −16%, worse
Sensitivity96.3 dB −0.6
RCFL15P530
£144.13 · 27% more, worseFs45 Hz +13%, worse
Qts0.48 –
Vas160 L −37%, better
BL15.3 T·m +48%, better
Xmax7 mm +17%, better
Sensitivity96.6 dB –
Eighteen Sound15W500
£145.52 · 28% more, worseFs50 Hz +25%, worse
Qts0.52 +6%
Vas189 L −26%, better
BL12.6 T·m +22%, better
Xmax4 mm −33%, worse
Sensitivity98.4 dB +1.5
FaitalPRO15PR300
£150.63 · 32% more, worseFs35 Hz −13%, better
Qts0.48 –
Vas220.1 L −13%, better
BL15.6 T·m +51%, better
Xmax5.2 mm −12%, worse
Sensitivity94.8 dB −2.1, worse
EminenceLEGEND BP 1525
£161.00 · 42% more, worseFs32 Hz −20%, better
Qts0.48 –
Vas397 L +56%, worse
BL13.1 T·m +27%, better
Xmax6.2 mm +4%
Sensitivity96.2 dB −0.7
FaitalPRO15PR450
£165.79 · 46% more, worseFs35 Hz −13%, better
Qts0.35 −29%, better
Vas235.6 L −7%
BL16.6 T·m +61%, better
Xmax6 mm –
Sensitivity96.4 dB −0.5
GRS15SSW-4HE
£175.79 · 55% more, worseFs21 Hz −48%, better
Qts0.49 –
Vas196.5 L −23%, better
BL16.6 T·m +61%, better
Xmax12.3 mm +106%, better
Sensitivity87 dB −9.9, worse
Sica15 PFS 3
£183.37 · 61% more, worseFs39 Hz –
Qts0.45 −8%
Vas135.5 L −47%, better
BL17.5 T·m +70%, better
Xmax7 mm +17%, better
Sensitivity93.9 dB −3, worse
B&C15FHX76
£249.00 · 119% more, worseFs40 Hz –
Qts0.43 −12%, better
Vas186 L −27%, better
BL15.5 T·m +50%, better
Xmax7 mm +17%, better
Sensitivity96.1 dB −0.8
LavoceFBASS15-20
No current priceFs40 Hz –
Qts0.53 +8%
Vas234.4 L −8%
BL12.8 T·m +24%, better
Xmax4.3 mm −28%, worse
Sensitivity96.2 dB −0.7
JensenBS15N350A-8
No current priceFs45 Hz +13%, worse
Qts0.46 −6%
Vas163.1 L −36%, better
BL15.2 T·m +48%, better
Xmax5.5 mm −8%
Sensitivity96.8 dB –
P.Audio15NT-100MB
No current priceFs50 Hz +25%, worse
Qts0.49 –
Vas96.2 L −62%, better
BL21.2 T·m +105%, better
Xmax6.5 mm +9%
Sensitivity95.7 dB −1.2
P.AudioP150/2226-V3
No current priceFs54 Hz +35%, worse
Qts0.50 –
Vas72.5 L −71%, better
BL20.9 T·m +102%, better
Xmax5.5 mm −8%
Sensitivity95.4 dB −1.5
P.Audio15BMA-500B
No current priceFs51 Hz +28%, worse
Qts0.49 –
Vas121.2 L −52%, better
BL17.2 T·m +67%, better
Xmax5 mm −16%, worse
Sensitivity96.9 dB –
Beyma15CXA400FE
No current priceFs40 Hz –
Qts0.42 −14%, better
Vas191 L −25%, better
BL18.2 T·m +76%, better
Xmax6 mm –
Sensitivity96.6 dB –
P.Audio15FT-88MB
No current priceFs43 Hz +8%
Qts0.50 –
Vas102.1 L −60%, better
BL20.1 T·m +95%, better
Xmax5.2 mm −13%, worse
Sensitivity94 dB −2.9, worse
Acoustic EleganceTD15M-4
No current priceFs35 Hz −13%, better
Qts0.33 −33%, better
Vas312 L +23%, worse
BL11.8 T·m +14%, better
Xmax6 mm –
Sensitivity97.7 dB +0.8
Acoustic EleganceSBP15-4
No current priceFs21 Hz −47%, better
Qts0.43 −12%, better
Vas364 L +43%, worse
BL11.1 T·m +8%
Xmax14 mm +135%, better
Sensitivity90.8 dB −6.1, worse
EminenceFS15.30A8
No current priceFs45 Hz +13%, worse
Qts0.47 −4%
Vas133 L −48%, better
BL18.2 T·m +76%, better
Xmax7 mm +17%, better
Sensitivity96 dB −0.9
No current price
Fs37 Hz −8%
Qts0.39 −21%, better
Vas236 L −7%
BL15.9 T·m +54%, better
Xmax6.5 mm +9%
Sensitivity96.6 dB –
B&C15CLX64
No current priceFs37 Hz −8%
Qts0.75 +53%, worse
Vas227 L −11%, better
BL11.5 T·m +11%, better
Xmax5.3 mm −11%, worse
Sensitivity93.6 dB −3.3, worse
P.Audio15NT-100XB
No current priceFs44 Hz +10%, worse
Qts0.47 −4%
Vas88.6 L −65%, better
BL22.2 T·m +115%, better
Xmax7 mm +17%, better
Sensitivity93.8 dB −3.1, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.6 out of 568 ratings · Checked 24 Oct 2026Read reviews on Thomann
- Parts Express4.5 out of 516 ratings · Checked 24 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 |
|---|---|---|---|---|
Lean Audio | £141.00, the lowest price | 1 in stock | Visit shop at Lean Audio | |
Blue Aran | £126.05 | On Order ETA Unknown | Visit shop at Blue Aran | |
Lean Business | £141.00 | Out of stock | Visit shop at Lean Business | |
Thomann | £169.00 | 20% above the lowest price | In stock | Visit shop at Thomann |
Parts Express Import VAT and duty may apply | £113.70 | 6 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 22 OctThomann£170.00 → £169.00Down 0.6% from £170.00
- 14 OctThomann£171.00 → £170.00Down 0.6% from £171.00
- 6 OctThomann£173.00 → £171.00Down 1.2% from £173.00