- Net volume
- 125L
- Tuning
- 45Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 15NDL series · 88 mm voice coil · 700 W
B&C 15NDL88 4Ω
45–3000 Hz
£245.35
0.6%JP Leisure · In stock · All 6 offers
- Fs
- 41Hz
- Xmax
- 8mm
- SPL
- 98dB
- Pe
- 700W
- BL
- 16.5T·m
- Vd
- 684cm³
- Qts
- 0.28
- Vas
- 154L
Published graphs
B&C 15NDL88 is a 15-inch 4 ohm LF driver rated at 700 W RMS. The validated T/S data includes Fs 41 Hz, Qts 0.28, Vas 154 L, Xmax 8 mm, sensitivity 97.7 dB, plus 684 cm³ Vd and 141 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 £245.35.
The published T/S values agree with each other
Thiele/Small
- Fs
- 41Hz
- Qts
- 0.28
- Qes
- 0.29
- Qms
- 7.5
- Vas
- 154L
- Re
- 3Ω
- Le
- 0.90mH
Motor and cone
- BL
- 16.5T·m
- Sd
- 855cm²
- Mms
- 102g
- Xmax
- 8mm
- Vd †
- 684cm³
- Voice coil
- 88mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 97.7dB
- Manufacturer sensitivity
- 99dB
- Power
- 700W
- Nominal power
- 700W
- Impedance
- 4Ω
- Min. impedance
- 3.7Ω
- Range
- 45–3000Hz
- EBP †
- 141 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 354mm
- Bolt circle
- 374mm
- Depth
- 177mm
- Weight
- 5.7kg
Sensitivity shows 97.7 dB, calculated from the T/S values. B&C publishes 99.0 dB, 1.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 16.5T·m
- Fs
- 41Hz
- Le
- 0.90mH
- Re
- 3Ω
- Sd
- 855cm²
- Mms
- 102g
- Qes
- 0.29
- Qms
- 7.5
- Qts
- 0.28
- SPL
- 97.7dB
- Vas
- 154L
- Xmax
- 8mm
- Power
- 700W
- Impedance
- 4Ω
- Flux density
- 1.05T
- Sensitivity
- 99dB
- Low limit
- 45Hz
- Nominal power
- 700W
- Calculated sensitivity †
- 97.7dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 99dB
- Min. impedance
- 3.7Ω
- Voice coil
- 88mm
- Weight
- 5.7kg
- Diameter
- 393mm
- Depth
- 177mm
- Cutout
- 354mm
- Bolt circle
- 374mm
- Bl
- 16.5 Tm
- Fs
- 41 Hz
- Le
- 0.9 mH
- Re
- 3 Ω
- Sd
- 855 cm² (132.53 in²)
- Ebp
- 141 Hz
- Mms
- 102 g
- Qes
- 0.29
- Qms
- 7.5
- Qts
- 0.28
- Vas
- 154 dm³ (5.44 ft³)
- Η0
- 3.5 %
- Cone
- RCK15NDL884
- Xmax
- 8 mm
- Xvar
- 10 mm
- Depth
- 177 mm (6.97 in)
- Spider
- Double Silicone
- Cone shape
- Exponential
- Net weight
- 5.7 kg (12.57 lb)
- Pole design
- T-Pole
- Sensitivity
- 99 dB
- Flux density
- 1.05 T
- Shipping box
- 425x425x224 mm (16.73x16.73x8.82 in)
- Winding depth
- 21.5 mm (0.85 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 45 Hz - 3000 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 7 kg (15.43 lb)
- Nominal diameter
- 380 mm (15 in)
- Overall diameter
- 393 mm (15.47 in)
- Winding material
- Aluminium
- Minimum impedance
- 3.7 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 10 mm (0.39 in)
- Recommended tuning
- 45 Hz
- Voice coil diameter
- 88 mm (3.5 in)
- Bolt circle diameter
- 374 mm (14.72 in)
- Recommended enclosure
- 125 dm³ (4.41 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 354 mm (13.94 in)
- Nominal power handling
- 700 W
- Continuous power handling
- 1400 W
- Flange and gasket thickness
- 13 mm (0.51 in)
- Air volume occupied by driver
- 3.5 dm³ (0.12 ft³)
B&C’s suggested box
From B&C’s 15NDL88 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15NDL88. Clear differences are green when better and red when worse.
This driver15NDL88
Best price
£245.35
Fs
41 Hz
Qts
0.28
Vas
154 L
BL
16.5 T·m
Xmax
8 mm
Sensitivity
97.7 dB
Power
700 W
B&C15CL76
£125.02 · 49% less, betterFs42 Hz –
Qts0.25 −11%, better
Vas140 L −9%
BL19.1 T·m +16%, better
Xmax7 mm −13%, worse
Sensitivity97.9 dB –
Eighteen Sound15W700
£177.51 · 28% less, betterFs41 Hz –
Qts0.27 −4%
Vas180 L +17%, worse
BL14.7 T·m −11%, worse
Xmax6.5 mm −19%, worse
Sensitivity98.3 dB +0.6
B&C15PS76
£184.00 · 25% less, betterFs38 Hz −7%
Qts0.26 −7%
Vas164 L +6%
BL22.1 T·m +34%, better
Xmax7.5 mm −6%
Sensitivity97.1 dB −0.6
Eighteen Sound15W750
£185.88 · 24% less, betterFs39 Hz −5%
Qts0.29 +4%
Vas253 L +64%, worse
BL14 T·m −15%, worse
Xmax8 mm –
Sensitivity99 dB +1.3
B&C15PZB100
£199.99 · 18% less, betterFs39 Hz −5%
Qts0.29 +4%
Vas110 L −29%, better
BL25.8 T·m +56%, better
Xmax8 mm –
Sensitivity95.4 dB −2.3, worse
FaitalPRO15FH500
£213.51 · 13% less, betterFs33 Hz −20%, better
Qts0.28 –
Vas209.5 L +36%, worse
BL16.2 T·m –
Xmax9.4 mm +18%, better
Sensitivity96.2 dB −1.5
RCFL15P400
£214.72 · 12% less, betterFs36 Hz −12%, better
Qts0.25 −11%, better
Vas160 L +4%
BL24.8 T·m +50%, better
Xmax8 mm –
Sensitivity96.4 dB −1.3
Eighteen Sound15ND930
£233.35 · 5% lessFs35 Hz −15%, better
Qts0.24 −14%, better
Vas182 L +18%, worse
BL17 T·m +3%
Xmax7.5 mm −6%
Sensitivity97.1 dB −0.6
Sica15 K 3 PL
£272.13 · 11% more, worseFs40 Hz –
Qts0.27 −4%
Vas166.1 L +8%
BL21.4 T·m +30%, better
Xmax6.5 mm −19%, worse
Sensitivity97.8 dB –
Eighteen Sound15NLW9300
£315.00 · 28% more, worseFs39 Hz −5%
Qts0.26 −7%
Vas170 L +10%, worse
BL24.4 T·m +48%, better
Xmax8 mm –
Sensitivity97.8 dB –
Eighteen Sound15LW1500
£315.00 · 28% more, worseFs34 Hz −17%, better
Qts0.28 –
Vas195 L +27%, worse
BL22.1 T·m +34%, better
Xmax9 mm +13%, better
Sensitivity96.2 dB −1.5
BMS15S435
£317.34 · 29% more, worseFs38 Hz −7%
Qts0.28 –
Vas129 L −16%, better
BL24.4 T·m +48%, better
Xmax8 mm –
Sensitivity95.9 dB −1.8
Eighteen Sound15NLW9500
£376.79 · 54% more, worseFs34 Hz −17%, better
Qts0.29 +4%
Vas147.5 L −4%
BL18.2 T·m +10%, better
Xmax9 mm +13%, better
Sensitivity94.9 dB −2.8, worse
FaitalPRO15HX500
£426.19 · 74% more, worseFs40 Hz –
Qts0.28 –
Vas150.1 L –
BL22.2 T·m +35%, better
Xmax9.4 mm +18%, better
Sensitivity97.2 dB −0.5
BMS15N830V2
No current priceFs37 Hz −10%
Qts0.27 −4%
Vas159 L +3%
BL22.4 T·m +36%, better
Xmax8 mm –
Sensitivity96.5 dB −1.2
Oberton15HCX
No current priceFs41 Hz –
Qts0.30 +7%
Vas205.5 L +33%, worse
BL17.1 T·m +4%
Xmax7.8 mm −3%
Sensitivity98.5 dB +0.8
Eighteen Sound15ND940
No current priceFs39 Hz −5%
Qts0.26 −7%
Vas170 L +10%, worse
BL16.6 T·m –
Xmax9.5 mm +19%, better
Sensitivity97.8 dB –
Eighteen Sound15NTLW2500
No current priceFs45 Hz +10%
Qts0.30 +7%
Vas143 L −7%
BL21.2 T·m +28%, better
Xmax8 mm –
Sensitivity98.3 dB +0.6
Oberton15B450 / 15B450A / 15B450A2
No current priceFs45 Hz +10%
Qts0.29 –
Vas146.8 L −5%
BL20.4 T·m +24%, better
Xmax6.8 mm −16%, worse
Sensitivity98.6 dB +0.9
CelestionFTR15-4080FD
No current priceFs35 Hz −14%, better
Qts0.28 –
Vas164.3 L +7%
BL23.1 T·m +40%, better
Xmax8.5 mm +6%
Sensitivity95.9 dB −1.8
Oberton15NMB500
No current priceFs45 Hz +9%
Qts0.29 +4%
Vas128.0 L −17%, better
BL21.3 T·m +29%, better
Xmax7.8 mm −3%
Sensitivity97.9 dB –
Precision DevicesPD.1550/2
No current priceFs46 Hz +13%, worse
Qts0.29 +4%
Vas126.4 L −18%, better
BL26.6 T·m +61%, better
Xmax8.2 mm –
Sensitivity98.2 dB +0.5
No current price
Fs45 Hz +10%
Qts0.27 −4%
Vas127 L −18%, better
BL24.5 T·m +48%, better
Xmax7.5 mm −6%
Sensitivity98 dB –
Eighteen Sound15ND730
No current priceFs44 Hz +7%
Qts0.29 +4%
Vas156 L –
BL21 T·m +27%, better
Xmax6.5 mm −19%, worse
Sensitivity98.5 dB +0.8
Oberton15B500
No current priceFs38 Hz −7%
Qts0.27 −4%
Vas145.8 L −5%
BL22.9 T·m +39%, better
Xmax7.3 mm −9%
Sensitivity96.8 dB −0.9
Oberton15XL700
No current priceFs45 Hz +10%, worse
Qts0.28 –
Vas117.0 L −24%, better
BL23.1 T·m +40%, better
Xmax8.8 mm +9%
Sensitivity97.8 dB –
Oberton15XL701
No current priceFs45 Hz +10%, worse
Qts0.28 –
Vas117.0 L −24%, better
BL23.1 T·m +40%, better
Xmax8.8 mm +9%
Sensitivity97.8 dB –
No photo
PHL Audio5011MNDU
No current priceFs38 Hz −7%
Qts0.26 −7%
Vas169 L +10%
BL23.7 T·m +44%, better
Xmax7.5 mm −6%
Sensitivity97.2 dB −0.5
CelestionFTX1530
No current priceFs43 Hz +4%
Qts0.28 –
Vas172.1 L +12%, worse
BL20.2 T·m +22%, better
Xmax6 mm −25%, worse
Sensitivity98.5 dB +0.8
Sica15 SR 4 CP
No current priceFs34 Hz −17%, better
Qts0.29 +4%
Vas101.2 L −34%, better
BL25.0 T·m +52%, better
Xmax8 mm –
Sensitivity93.3 dB −4.4, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
JP Leisure | £245.35, the lowest price | In stock | Visit shop at JP Leisure | |
Blue Aran 4-6 weeks | £244.00 | Usually available in 4-6 weeks | Visit shop at Blue Aran | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £244.87 | In stock | Visit shop at JP Leisure | |
Audio Video Parts Import VAT and duty may apply | £201.42 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 12 AugJP Leisure£244.87 → £245.35Up 0.2% from £244.87
- 11 AugBlue Aran£241.99 → £244.00Up 0.8% from £241.99
- 17 JulBlue Aran£246.00 → £241.99Down 1.6% from £246.00