CIARECW162
£47.61 · 82% less, betterFs40 Hz +18%, worse
Qts0.21 −9%
Vas26 L +30%, worse
BL7.4 T·m +23%, better
Xmax7 mm −22%, worse
Sensitivity90.6 dB +3.6, better
6-inch LF driver · Illuminator series · 42 mm voice coil · 80 W
Scanspeak 15WU/4741T00 4Ω
4 Ω
£261.31
22%Falcon Acoustics · In stock · All 7 offers
- Fs
- 34Hz
- Xmax
- 9mm
- SPL
- 87dB
- Pe
- 80W
- BL
- 6T·m
- Vd
- 83cm³
- Qts
- 0.23
- Vas
- 20L
Scanspeak 15WU/4741T00 is a 6-inch 4 ohm LF driver rated at 80 W RMS. The validated T/S data includes Fs 34 Hz, Qts 0.23, Vas 20 L, Xmax 9 mm, sensitivity 87 dB, plus 83 cm³ Vd and 136 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 £261.31.
The published T/S values agree with each other
Thiele/Small
- Fs
- 34Hz
- Qts
- 0.23
- Qes
- 0.25
- Qms
- 3.5
- Vas
- 20L
- Re
- 3.2Ω
- Le
- 0.50mH
Motor and cone
- BL
- 6T·m
- Sd
- 92cm²
- Mms
- 13g
- Xmax
- 9mm
- Vd †
- 83cm³
- Voice coil
- 42mm
Power and response
- Sensitivity †
- 87dB
- Manufacturer sensitivity
- 86dB
- Power
- 80W
- Impedance
- 4Ω
- Min. impedance
- 4.6Ω
- EBP †
- 136 · Leans vented
Size and mounting
- Diameter
- 150mm
Other published values
- Cms
- 1.69mm/N
- Rms
- 0.80kg/s
- Xmech
- 13
- Power Peak
- 150
Sensitivity shows 87.0 dB, calculated from the T/S values. Scanspeak publishes 86.0 dB, 1.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 6″
- BL
- 6T·m
- Fs
- 34Hz
- Le
- 0.50mH
- Re
- 3.2Ω
- Sd
- 92cm²
- Cms
- 1.69mm/N
- Mms
- 13g
- Qes
- 0.25
- Qms
- 3.5
- Qts
- 0.23
- Rms
- 0.80kg/s
- SPL
- 87dB
- Vas
- 20L
- Xmax
- 9mm
- Xmech
- 13
- Power
- 80W
- Impedance
- 4Ω
- Power Peak
- 150
- Sensitivity
- 86dB
- Calculated sensitivity †
- 87dB
- Manufacturer sensitivity
- 86dB
- Min. impedance
- 4.6Ω
- Voice coil
- 42mm
- Diameter
- 150mm
02
Compare
Same-size drivers, compared with the 15WU/4741T00. Clear differences are green when better and red when worse.
This driver15WU/4741T00
Best price
£261.31
Fs
34 Hz
Qts
0.23
Vas
20 L
BL
6 T·m
Xmax
9 mm
Sensitivity
87 dB
Power
80 W
Scanspeak15W/8424G00
£49.40 · 81% less, betterFs46 Hz +35%, worse
Qts0.25 +9%
Vas14.5 L −28%, better
BL6.6 T·m +10%
Xmax2.6 mm −71%, worse
Sensitivity89.2 dB +2.2, better
Scanspeak15W/4424G00
£53.55 · 80% less, betterFs46 Hz +35%, worse
Qts0.24 +4%
Vas13.8 L −31%, better
BL5.2 T·m −13%, worse
Xmax2.8 mm −69%, worse
Sensitivity89.2 dB +2.2, better
Scanspeak15W/8434G00
£56.10 · 79% less, betterFs45 Hz +32%, worse
Qts0.25 +9%
Vas12.8 L −36%, better
BL7.3 T·m +22%, better
Xmax4.2 mm −53%, worse
Sensitivity88.4 dB +1.4
Scanspeak15W/4434G00
£58.57 · 78% less, betterFs43 Hz +26%, worse
Qts0.21 −9%
Vas12.8 L −36%, better
BL5.9 T·m –
Xmax4.3 mm −52%, worse
Sensitivity88.7 dB +1.7
SB AcousticsSB17NRX2L35-4
£59.85 · 77% less, betterFs41 Hz +21%, worse
Qts0.25 +9%
Vas21.9 L +9%
BL6.5 T·m +8%
Xmax4.8 mm −47%, worse
Sensitivity89.7 dB +2.7, better
£99.78 · 62% less, better
Fs51 Hz +50%, worse
Qts0.25 +9%
Vas12 L −40%, better
BL6.8 T·m +13%, better
Xmax1.7 mm −81%, worse
Sensitivity89.3 dB +2.3, better
Eighteen Sound6ND430
£109.14 · 58% less, betterFs64 Hz +88%, worse
Qts0.24 +4%
Vas12.2 L −39%, better
BL7.8 T·m +30%, better
Xmax5 mm −44%, worse
Sensitivity93.1 dB +6.1, better
SB AcousticsMR13P-4
£115.00 · 56% less, betterFs41 Hz +21%, worse
Qts0.23 –
Vas19.4 L −3%
BL4.3 T·m −28%, worse
Xmax3 mm −67%, worse
Sensitivity89.3 dB +2.3, better
SB AcousticsMR13PNW-4
£115.00 · 56% less, betterFs41 Hz +21%, worse
Qts0.23 –
Vas19.4 L −3%
BL4.3 T·m −28%, worse
Xmax3 mm −67%, worse
Sensitivity89.3 dB +2.3, better
Scanspeak15M/4531K00
£150.70 · 42% less, betterFs42 Hz +24%, worse
Qts0.27 +17%, worse
Vas16 L −20%, better
BL6 T·m –
Xmax3 mm −67%, worse
Sensitivity88.3 dB +1.3
WavecorWF182BD13
£157.84 · 40% less, betterFs38 Hz +12%, worse
Qts0.26 +13%, worse
Vas20.8 L +4%
BL6.9 T·m +15%, better
Xmax5.5 mm −39%, worse
Sensitivity88.3 dB +1.3
SB AcousticsMR16P-4
£159.05 · 39% less, betterFs31 Hz −9%
Qts0.25 +9%
Vas47.2 L +136%, worse
BL5.2 T·m −13%, worse
Xmax3.1 mm −66%, worse
Sensitivity89.4 dB +2.4, better
SB AcousticsMR16PNW-4
£159.05 · 39% less, betterFs31 Hz −9%
Qts0.25 +9%
Vas47.2 L +136%, worse
BL5.2 T·m −13%, worse
Xmax3.1 mm −66%, worse
Sensitivity89.4 dB +2.4, better
SB AcousticsMW19P-4
£165.40 · 37% less, betterFs29 Hz −15%, better
Qts0.24 +4%
Vas61 L +205%, worse
BL6.5 T·m +8%
Xmax6.8 mm −24%, worse
Sensitivity89.6 dB +2.6, better
SB AcousticsMW19PNW-4
£168.40 · 36% less, betterFs29 Hz −15%, better
Qts0.24 +4%
Vas61 L +205%, worse
BL6.5 T·m +8%
Xmax6.8 mm −24%, worse
Sensitivity89.6 dB +2.6, better
SB AcousticsMW13TX-4
£225.24 · 14% less, betterFs38 Hz +12%, worse
Qts0.26 +13%, worse
Vas16 L −20%, better
BL5 T·m −17%, worse
Xmax5 mm −44%, worse
Sensitivity87.2 dB –
Scanspeak12MU/4731T00
£263.75 · Same priceFs64 Hz +88%, worse
Qts0.24 +4%
Vas5.4 L −73%, better
BL5.1 T·m −15%, worse
Xmax3.5 mm −61%, worse
Sensitivity89.4 dB +2.4, better
SB AcousticsMW19TX-4
£283.85 · 9% more, worseFs32 Hz −6%
Qts0.27 +17%, worse
Vas53.2 L +166%, worse
BL6.3 T·m +5%
Xmax6.8 mm −24%, worse
Sensitivity90 dB +3, better
Scanspeak15WU/8741T00
£301.39 · 15% more, worseFs35 Hz –
Qts0.26 +13%, worse
Vas19.9 L –
BL7.5 T·m +25%, better
Xmax9 mm –
Sensitivity86.9 dB –
PurifiPTT5.25X08-NFA-01
£334.88 · 28% more, worseFs32 Hz −6%
Qts0.27 +17%, worse
Vas13.2 L −34%, better
BL9 T·m +50%, better
Xmax9.8 mm +9%
Sensitivity83.9 dB −3.1, worse
AccutonC173-6-096
£837.27 · 220% more, worseFs50 Hz +47%, worse
Qts0.22 −4%
Vas17.0 L −15%, better
BL11.4 T·m +90%, better
Xmax5 mm −44%, worse
Sensitivity91.5 dB +4.5, better
Dayton AudioPS65LP-4
No current priceFs67 Hz +98%, worse
Qts0.24 +4%
Vas17.3 L −13%, better
BL6 T·m –
Xmax4 mm −56%, worse
Sensitivity95.1 dB +8.1, better
PurifiPTT5.25X04-NFA-01
No current priceFs29 Hz −15%, better
Qts0.24 +4%
Vas13 L −35%, better
BL7.9 T·m +32%, better
Xmax9.8 mm +9%
Sensitivity83.1 dB −3.9, worse
WavecorWF182BD14
No current priceFs36 Hz +6%
Qts0.25 +9%
Vas23 L +15%, worse
BL6.9 T·m +15%, better
Xmax5.5 mm −39%, worse
Sensitivity88.2 dB +1.2
Tang BandW6-1559S
No current priceFs45 Hz +32%, worse
Qts0.24 +4%
Vas13.3 L −33%, better
BL13.7 T·m +129%, better
Xmax5.5 mm −39%, worse
Sensitivity88.9 dB +1.9
WavecorWF182BD04
No current priceFs34 Hz –
Qts0.25 +9%
Vas32.4 L +62%, worse
BL6.8 T·m +13%, better
Xmax5.5 mm −39%, worse
Sensitivity88.9 dB +1.9
PeerlessSDS-160F25PR01-08
No current priceFs48 Hz +41%, worse
Qts0.58 +152%, worse
Vas21.8 L +9%
BL6.6 T·m +11%, better
Xmax8.1 mm −11%, worse
Sensitivity87.5 dB +0.5
PurifiPTT5.25X04-NAA-05
No current priceFs29 Hz −15%, better
Qts0.27 +17%, worse
Vas11.8 L −41%, better
BL7.9 T·m +32%, better
Xmax9.8 mm +9%
Sensitivity82.1 dB −4.9, worse
SB AcousticsMW19PF-4
No current priceFs29 Hz −15%, better
Qts0.27 +17%, worse
Vas62.7 L +214%, worse
BL6.1 T·m –
Xmax6.5 mm −28%, worse
Sensitivity89.4 dB +2.4, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 51 rating · Checked 26 Oct 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 |
|---|---|---|---|---|
Falcon Acoustics | £261.31, the lowest price | In stock | Visit shop at Falcon Acoustics | |
Falcon Acoustics | £326.34 | 25% above the lowest price | In stock | Visit shop at Falcon Acoustics |
Willys-Hifi | £336.76 | 29% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
Lautsprechershop Import VAT and duty may apply | £299.17 | 15% above the lowest price | Special order | Visit shop at Lautsprechershop |
SoundImports Import VAT and duty may apply | £309.76 | 19% above the lowest price | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£344.95 → £336.76Down 2.4% from £344.95
- 30 SepWillys-Hifi£343.95 → £344.95Up 0.3% from £343.95
- 29 SepWillys-Hifi£344.95 → £343.95Down 0.3% from £344.95