Dayton AudioDS115-8
£20.18 · 75% less, betterFs55 Hz +6%
Qts0.38 −12%, better
Vas4.3 L −18%, better
BL5.9 T·m +43%, better
Xmax4.1 mm –
Sensitivity84 dB –
4.5-inch LF driver · WF120BD series · 32 mm voice coil
Wavecor WF120BD05 4Ω
4 Ω
£81.54
SteadyParts Express · 18 in stock · Ships from United States · All 2 offers
- Fs
- 52Hz
- Xmax
- 4mm
- SPL
- 84dB
- Pe
- –
- BL
- 4.1T·m
- Vd
- 22cm³
- Qts
- 0.43
- Vas
- 5L
Wavecor WF120BD05 is a 4.5-inch 4 ohm LF driver. The validated T/S data includes Fs 52 Hz, Qts 0.43, Vas 5.3 L, Xmax 4 mm, sensitivity 84.2 dB, plus 22 cm³ Vd and 116 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 £81.54.
The published T/S values agree with each other
Thiele/Small
- Fs
- 52Hz
- Qts
- 0.43
- Qes
- 0.45
- Qms
- 7.9
- Vas
- 5.3L
- Re
- 3.2Ω
Motor and cone
- BL
- 4.1T·m
- Sd
- 54cm²
- Mms
- 7g
- Xmax
- 4mm
- Vd †
- 22cm³
- Voice coil
- 32mm
Power and response
- Sensitivity †
- 84.2dB
- Impedance
- 4Ω
- EBP †
- 116 · Leans vented
Size and mounting
- Diameter
- 120.7mm
Other published values
- Cms
- 1.29mm/N
- Rms
- 0.30kg/s
† Calculated by bits from the published values
What this validation status means
Everything else Wavecor lists
LF · Primary · 4.5″
- BL
- 4.1T·m
- Fs
- 52Hz
- Re
- 3.2Ω
- Sd
- 54cm²
- Cms
- 1.29mm/N
- Mms
- 7g
- Qes
- 0.45
- Qms
- 7.9
- Qts
- 0.43
- Rms
- 0.30kg/s
- SPL
- 84.2dB
- Vas
- 5.3L
- Xmax
- 4mm
- Impedance
- 4Ω
- Calculated sensitivity †
- 84.2dB
- Voice coil
- 32mm
- Diameter
- 120.7mm
02
Compare
Same-size drivers, compared with the WF120BD05. Clear differences are green when better and red when worse.
This driverWF120BD05
Best price
£81.54
Fs
52 Hz
Qts
0.43
Vas
5.3 L
BL
4.1 T·m
Xmax
4 mm
Sensitivity
84.2 dB
Power
–
Dayton AudioND91-4
£20.93 · 74% less, betterFs74 Hz +42%, worse
Qts0.41 −5%
Vas1.4 L −74%, better
BL4.6 T·m +12%, better
Xmax4.6 mm +15%, better
Sensitivity83 dB −1.2
SB AcousticsSB12PFCR25-4
£21.73 · 73% less, betterFs58 Hz +12%, worse
Qts0.43 –
Vas5.2 L –
BL3.5 T·m −15%, worse
Xmax4.9 mm +23%, better
Sensitivity85.2 dB +1
SB AcousticsSB12PFC25-4
£21.98 · 73% less, betterFs58 Hz +12%, worse
Qts0.43 –
Vas5.2 L –
BL3.5 T·m −15%, worse
Xmax5 mm +25%, better
Sensitivity85.2 dB +1
Dayton AudioSIG120-4
£24.67 · 70% less, betterFs75 Hz +43%, worse
Qts0.43 –
Vas3.1 L −42%, better
BL5 T·m +22%, better
Xmax4 mm –
Sensitivity86.4 dB +2.2, better
Dayton AudioDSA115-8
£30.07 · 63% less, betterFs63 Hz +22%, worse
Qts0.42 –
Vas4.0 L −25%, better
BL5.4 T·m +33%, better
Xmax4.1 mm –
Sensitivity84.8 dB +0.6
CIAREHW131
£30.98 · 62% less, betterFs68 Hz +31%, worse
Qts0.39 −9%
Vas5.6 L +6%
BL7.0 T·m +71%, better
Xmax4.4 mm +10%, better
Sensitivity87.9 dB +3.7, better
Dayton AudioRS125-4
£37.39 · 54% less, betterFs57 Hz +10%, worse
Qts0.37 −14%, better
Vas5.3 L –
BL3.6 T·m −11%, worse
Xmax4 mm –
Sensitivity85.5 dB +1.3
Dayton AudioRS125P-8
£37.39 · 54% less, betterFs70 Hz +35%, worse
Qts0.44 –
Vas4.0 L −25%, better
BL5.1 T·m +24%, better
Xmax4 mm –
Sensitivity86.1 dB +1.9
Dayton AudioRS125P-4
£37.39 · 54% less, betterFs70 Hz +35%, worse
Qts0.48 +12%, worse
Vas4.0 L −25%, better
BL3.5 T·m −15%, worse
Xmax4 mm –
Sensitivity85.8 dB +1.6
SB AcousticsSB12NRX25-4
£46.34 · 43% less, betterFs55 Hz +6%
Qts0.40 −7%
Vas5.6 L +6%
BL3.6 T·m −12%, worse
Xmax5 mm +25%, better
Sensitivity85.1 dB +0.9
WavecorWF118WA08
£47.13 · 42% less, betterFs58 Hz +12%, worse
Qts0.42 –
Vas4.9 L −8%
BL5.8 T·m +41%, better
Xmax4 mm –
Sensitivity85.3 dB +1.1
WavecorWF118WA07
£47.13 · 42% less, betterFs56 Hz +8%
Qts0.36 −16%, better
Vas4.9 L −8%
BL4.5 T·m +10%
Xmax4 mm –
Sensitivity85.6 dB +1.4
Tang BandW4-1052SDF
£47.37 · 42% less, betterFs70 Hz +35%, worse
Qts0.42 –
Vas5.2 L –
BL4.1 T·m –
Xmax2.6 mm −35%, worse
Sensitivity87.9 dB +3.7, better
Tang BandW4-1720
£82.28 · Same priceFs60 Hz +15%, worse
Qts0.42 –
Vas5.9 L +12%, worse
BL3.8 T·m −7%
Xmax5 mm +25%, better
Sensitivity86 dB +1.8
WavecorSW118WA01
£84.74 · 4% moreFs58 Hz +12%, worse
Qts0.39 −9%
Vas3.3 L −38%, better
BL4.7 T·m +15%, better
Xmax4 mm –
Sensitivity84 dB –
WavecorWF120BD11
£87.52 · 7% more, worseFs58 Hz +12%, worse
Qts0.39 −9%
Vas3.8 L −28%, better
BL4.2 T·m –
Xmax3 mm −25%, worse
Sensitivity84.7 dB +0.5
RS SpeakersMW 140.38 FIBONACCI
£118.90 · 46% more, worseFs56 Hz +7%
Qts0.44 –
Vas6.9 L +30%, worse
BL6.2 T·m +50%, better
Xmax4 mm –
Sensitivity85.9 dB +1.7
WavecorWF120BD03
£120.66 · 48% more, worseFs70 Hz +35%, worse
Qts0.42 –
Vas3.3 L −39%, better
BL4.5 T·m +10%
Xmax4 mm –
Sensitivity85.9 dB +1.7
WavecorWF120BD08
£120.66 · 48% more, worseFs63 Hz +21%, worse
Qts0.45 +5%
Vas4.3 L −20%, better
BL5.5 T·m +34%, better
Xmax4 mm –
Sensitivity85.4 dB +1.2
WavecorWF120BD10
£125.26 · 54% more, worseFs50 Hz −4%
Qts0.47 +9%
Vas6.2 L +17%, worse
BL5.2 T·m +27%, better
Xmax4 mm –
Sensitivity83.9 dB –
VisatonTI 100
£154.93 · 90% more, worseFs62 Hz +19%, worse
Qts0.41 −5%
Vas5.7 L +7%
BL5.0 T·m +21%, better
Xmax2.3 mm −44%, worse
Sensitivity86.9 dB +2.7, better
WavecorWF120BD06
No current priceFs48 Hz −8%
Qts0.40 −7%
Vas6.2 L +17%, worse
BL4.1 T·m –
Xmax4 mm –
Sensitivity84.2 dB –
CIARECW131
No current priceFs65 Hz +25%, worse
Qts0.39 −9%
Vas5.3 L –
BL5.7 T·m +39%, better
Xmax4 mm –
Sensitivity87.1 dB +2.9, better
WavecorWF120BD04
No current priceFs62 Hz +18%, worse
Qts0.37 −14%, better
Vas4.3 L −20%, better
BL4.5 T·m +10%
Xmax4 mm –
Sensitivity86 dB +1.8
CIARECX131
No current priceFs83 Hz +60%, worse
Qts0.43 –
Vas6.8 L +28%, worse
BL4.6 T·m +12%, better
Xmax3.5 mm −13%, worse
Sensitivity91 dB +6.8, better
CIARENDI3.25
No current priceFs77 Hz +48%, worse
Qts0.40 −7%
Vas1.7 L −68%, better
BL4.2 T·m –
Xmax3.9 mm –
Sensitivity84.1 dB –
WavecorMR120BD02
No current priceFs70 Hz +35%, worse
Qts0.44 –
Vas3.2 L −40%, better
BL4.2 T·m –
Xmax1.5 mm −63%, worse
Sensitivity85.8 dB +1.6
WavecorWF120BD09
No current priceFs54 Hz +4%
Qts0.50 +16%, worse
Vas5.3 L –
BL5.2 T·m +27%, better
Xmax4 mm –
Sensitivity83.9 dB –
Tang BandW4-1052SD
No current priceFs70 Hz +35%, worse
Qts0.44 –
Vas7.6 L +43%, worse
BL3.4 T·m −16%, worse
Xmax3.4 mm −15%, worse
Sensitivity89.3 dB +5.1, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.0 out of 53 ratings · Checked 26 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 |
|---|---|---|---|---|
Parts Express Import VAT and duty may apply | £81.54, the lowest price | 18 in stock | Visit shop at Parts Express | |
Lautsprechershop Import VAT and duty may apply | £125.26 | 54% above the lowest price | Stock not listed | Visit shop at Lautsprechershop |
Best price over time
Tracked since 22 Jul