Dayton AudioDSA90-8
£20.18 · 42% less, betterFs67 Hz −42%, better
Qts0.37 –
Vas2.3 L +23%, worse
BL4.6 T·m −33%, worse
Xmax2.5 mm +14%, better
Sensitivity83.8 dB −6.2, worse
4-inch LF driver · FSN041 series · 25 mm voice coil · 40 W
Lavoce FSN041.00 8Ω
8 Ω · 110–18000 Hz
£34.72
SteadyBlue Aran · 15 in stock · All 2 offers
- Fs
- 114Hz
- Xmax
- 2.2mm
- SPL
- 90dB
- Pe
- 40W
- BL
- 6.9T·m
- Vd
- 12cm³
- Qts
- 0.38
- Vas
- 2L
Lavoce FSN041.00 is a 4-inch 8 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 114 Hz, Qts 0.38, Vas 1.8 L, Xmax 2.2 mm, sensitivity 90 dB, plus 12 cm³ Vd and 265 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 £34.72.
The published T/S values agree with each other
Thiele/Small
- Fs
- 114Hz
- Qts
- 0.38
- Qes
- 0.43
- Qms
- 3.6
- Vas
- 1.8L
- Re
- 6Ω
- Le
- 0.06mH
Motor and cone
- BL
- 6.9T·m
- Sd
- 56cm²
- Mms
- 5g
- Xmax
- 2.2mm
- Vd †
- 12cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 90dB
- Manufacturer sensitivity
- 91.5dB
- Power
- 40W
- Impedance
- 8Ω
- Min. impedance
- 7Ω
- Range
- 110–18000Hz
- EBP †
- 265 · Leans vented
Size and mounting
- Weight
- 0.4kg
Other published values
- Cms
- 0.41mm/N
- Xmech
- 3.2
- Power Program
- 80
Sensitivity shows 90.0 dB, calculated from the T/S values. Lavoce publishes 91.5 dB, 1.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Lavoce lists
LF · Primary · 4″
- BL
- 6.9T·m
- Fs
- 114Hz
- Le
- 0.06mH
- Re
- 6Ω
- Sd
- 56cm²
- Cms
- 0.41mm/N
- Mms
- 5g
- Qes
- 0.43
- Qms
- 3.6
- Qts
- 0.38
- SPL
- 90dB
- Vas
- 1.8L
- Xmax
- 2.2mm
- Xmech
- 3.2
- Power
- 40W
- Impedance
- 8Ω
- Sensitivity
- 91.5dB
- Low limit
- 110Hz
- Power Program
- 80
- Calculated sensitivity †
- 90dB
- High limit
- 18000Hz
- Manufacturer sensitivity
- 91.5dB
- Min. impedance
- 7Ω
- Voice coil
- 25mm
- Weight
- 0.4kg
02
Compare
Same-size drivers, compared with the FSN041.00. Clear differences are green when better and red when worse.
This driverFSN041.00
Best price
£34.72
Fs
114 Hz
Qts
0.38
Vas
1.8 L
BL
6.9 T·m
Xmax
2.2 mm
Sensitivity
90 dB
Power
40 W
Sica4 E 1 CS
£23.86 · 31% less, betterFs118 Hz +4%
Qts0.39 –
Vas1.3 L −29%, better
BL5.8 T·m −16%, worse
Xmax2.2 mm –
Sensitivity88.4 dB −1.6
REDCATT41NFR
£29.89 · 14% less, betterFs98 Hz −14%, better
Qts0.37 –
Vas2.1 L +14%, worse
BL10 T·m +46%, better
Xmax3.1 mm +43%, better
Sensitivity89 dB −1
Dayton AudioDSA135-8
£29.91 · 14% less, betterFs52 Hz −55%, better
Qts0.38 –
Vas7.9 L +331%, worse
BL6.2 T·m −9%
Xmax4.9 mm +123%, better
Sensitivity85.7 dB −4.3, worse
Tang BandW3-881SJF
£30.14 · 13% less, betterFs100 Hz −12%, better
Qts0.39 –
Vas1.9 L –
BL4.5 T·m −35%, worse
Xmax0.5 mm −77%, worse
Sensitivity88.7 dB −1.3
LavoceFSN030.72
£30.67 · 12% less, betterFs127 Hz +11%, worse
Qts0.41 +8%
Vas1.1 L −39%, better
BL5.0 T·m −27%, worse
Xmax2.1 mm −5%
Sensitivity89.3 dB −0.7
CIAREHW131
£30.98 · 11% less, betterFs68 Hz −40%, better
Qts0.39 –
Vas5.6 L +204%, worse
BL7.0 T·m –
Xmax4.4 mm +100%, better
Sensitivity87.9 dB −2.1, worse
MonacorSP-100/8
£31.15 · 10% less, betterFs61 Hz −46%, better
Qts0.37 –
Vas4.7 L +155%, worse
BL5.5 T·m −20%, worse
Xmax2.5 mm +14%, better
Sensitivity85.9 dB −4.1, worse
Sica4 L1 1 SL
£38.93 · 12% more, worseFs120 Hz +5%
Qts0.36 −5%
Vas1.2 L −35%, better
BL6.2 T·m −10%, worse
Xmax2.5 mm +14%, better
Sensitivity88.8 dB −1.2
SB AcousticsSB12MNRX25-4
£52.29 · 51% more, worseFs58 Hz −49%, better
Qts0.37 –
Vas5.5 L +199%, worse
BL3.7 T·m −46%, worse
Xmax2.3 mm –
Sensitivity86.1 dB −3.9, worse
Tang BandW4-2414
£66.90 · 93% more, worseFs65 Hz −43%, better
Qts0.40 +5%
Vas3.9 L +110%, worse
BL5.5 T·m −20%, worse
Xmax2.5 mm +14%, better
Sensitivity85.6 dB −4.4, worse
ETON5-612/C8/25 RP
£75.32 · 117% more, worseFs55 Hz −52%, better
Qts0.36 −5%
Vas9.8 L +433%, worse
BL5.9 T·m −14%, worse
Xmax2 mm −9%
Sensitivity88.4 dB −1.6
Scanspeak10F/8424G00
£83.73 · 141% more, worseFs90 Hz −21%, better
Qts0.37 –
Vas2.1 L +14%, worse
BL4.8 T·m −30%, worse
Xmax2.6 mm +18%, better
Sensitivity87.8 dB −2.2, worse
Sica4 C 1.5 CP
£104.62 · 201% more, worseFs102 Hz −11%, better
Qts0.32 −16%, better
Vas1.5 L −18%, better
BL7.3 T·m +6%
Xmax2 mm −9%
Sensitivity89.7 dB –
Tang BandW5-2143
£113.04 · 226% more, worseFs55 Hz −52%, better
Qts0.38 –
Vas19 L +933%, worse
BL5.4 T·m −21%, worse
Xmax2.5 mm +14%, better
Sensitivity90.7 dB +0.7
MorelCAW 538
£149.94 · 332% more, worseFs49 Hz −57%, better
Qts0.38 –
Vas8.2 L +346%, worse
BL6.9 T·m –
Xmax3 mm +36%, better
Sensitivity85.1 dB −4.9, worse
VisatonTI 100
£154.93 · 346% more, worseFs62 Hz −46%, better
Qts0.41 +8%
Vas5.7 L +209%, worse
BL5.0 T·m −28%, worse
Xmax2.3 mm –
Sensitivity86.9 dB −3.1, worse
PurifiPTT4.0X08-NAC-03
£251.15 · 623% more, worseFs43 Hz −62%, better
Qts0.39 –
Vas5.3 L +188%, worse
BL7 T·m –
Xmax8.8 mm +300%, better
Sensitivity81.9 dB −8.1, worse
£376.75 · 985% more, worse
Fs48 Hz −58%, better
Qts0.38 –
Vas4.6 L +150%, worse
BL5.9 T·m −14%, worse
Xmax3 mm +36%, better
Sensitivity83 dB −7, worse
CIARENDI3.21
No current priceFs90 Hz −21%, better
Qts0.38 –
Vas1.8 L –
BL4 T·m −42%, worse
Xmax2 mm −9%
Sensitivity86.8 dB −3.2, worse
FaneSTUDIO 5FRK
No current priceFs58 Hz −49%, better
Qts0.36 −5%
Vas10.9 L +492%, worse
BL6.8 T·m –
Xmax2.4 mm +10%
Sensitivity89.5 dB −0.5
HiViF5N
No current priceFs52 Hz −54%, better
Qts0.40 +5%
Vas7.7 L +318%, worse
BL7 T·m –
Xmax2.5 mm +14%, better
Sensitivity85.7 dB −4.3, worse
Tang BandW3-1750SB
No current priceFs50 Hz −56%, better
Qts0.37 –
Vas1.7 L −10%
BL8.0 T·m +17%, better
Xmax5 mm +127%, better
Sensitivity79.3 dB −10.7, worse
Tang BandW4-1129E
No current priceFs120 Hz +5%
Qts0.44 +16%, worse
Vas1.7 L −7%
BL5.2 T·m −25%, worse
Xmax1.8 mm −18%, worse
Sensitivity90.1 dB –
PurifiPTT4.0X08-NFC-01
No current priceFs41 Hz −64%, better
Qts0.37 –
Vas5.7 L +210%, worse
BL6.9 T·m –
Xmax8.8 mm +300%, better
Sensitivity81.8 dB −8.2, worse
HiViBG5N
No current priceFs60 Hz −47%, better
Qts0.33 −13%, better
Vas7.1 L +286%, worse
BL7.4 T·m +8%
Xmax2.5 mm +14%, better
Sensitivity87.8 dB −2.2, worse
CIAREFXI3.21
No current priceFs90 Hz −21%, better
Qts0.44 +16%, worse
Vas1.8 L –
BL3.7 T·m −46%, worse
Xmax2 mm −9%
Sensitivity86.3 dB −3.7, worse
No photo
PHL Audio973ND
No current priceFs67 Hz −41%, better
Qts0.39 –
Vas6.3 L +242%, worse
BL7.7 T·m +12%, better
Xmax6.5 mm +195%, better
Sensitivity88.5 dB −1.5
Tang BandW5-704D
No current priceFs55 Hz −52%, better
Qts0.38 –
Vas11.6 L +529%, worse
BL6.2 T·m −10%, worse
Xmax3.3 mm +50%, better
Sensitivity88.2 dB −1.8
Tang BandW4-1320SMF
No current priceFs70 Hz −39%, better
Qts0.36 −5%
Vas7.4 L +302%, worse
BL3.5 T·m −48%, worse
Xmax2.4 mm +9%
Sensitivity89.7 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express5.0 out of 53 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 |
|---|---|---|---|---|
Blue Aran | £34.72, the lowest price | 15 in stock | Visit shop at Blue Aran | |
Parts Express Import VAT and duty may apply | £38.90 | 12% above the lowest price | 3 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr