REDCATT30FF
£9.00 · 7% less, betterFs119 Hz +35%, worse
Qts0.78 –
Vas0.8 L −54%, better
BL3.3 T·m −10%
Xmax19 mm +591%, better
Sensitivity83.5 dB +0.9
4-inch LF driver · 20 W
Dayton Audio PCS115-4 4Ω
4 Ω · 60–5000 Hz
£9.71
SteadyParts Express · 160 in stock · Ships from United States · All 3 offers
- Fs
- 88Hz
- Xmax
- 2.8mm
- SPL
- 83dB
- Pe
- 20W
- BL
- 3.6T·m
- Vd
- 14cm³
- Qts
- 0.79
- Vas
- 2L
Dayton Audio PCS115-4 is a 4-inch 4 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 88 Hz, Qts 0.79, Vas 1.8 L, Xmax 2.8 mm, sensitivity 82.6 dB, plus 14 cm³ Vd and 84 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 £9.71.
The published T/S values agree with each other
Thiele/Small
- Fs
- 88Hz
- Qts
- 0.79
- Qes
- 1.05
- Qms
- 3.1
- Vas
- 1.8L
- Re
- 3.6Ω
- Le
- 0.37mH
Motor and cone
- BL
- 3.6T·m
- Sd
- 52cm²
- Mms
- 7g
- Xmax
- 2.8mm
- Vd †
- 14cm³
Power and response
- Sensitivity †
- 82.6dB
- Manufacturer sensitivity
- 86.1dB
- Power
- 20W
- Impedance
- 4Ω
- Range
- 60–5000Hz
- EBP †
- 84 · Sealed or vented
Size and mounting
- Diameter
- 114.3mm
- Cutout
- 94.0mm
- Depth
- 57.1mm
- Weight
- 0.45kg
Other published values
- Cms
- 0.47mm/N
- Power Peak
- 40
Sensitivity shows 82.6 dB, calculated from the T/S values. Dayton Audio publishes 86.1 dB, 3.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 4″
- BL
- 3.6T·m
- Fs
- 88Hz
- Le
- 0.37mH
- Re
- 3.6Ω
- Sd
- 52cm²
- Cms
- 0.47mm/N
- Mms
- 7g
- Qes
- 1.05
- Qms
- 3.1
- Qts
- 0.79
- SPL
- 82.6dB
- Vas
- 1.8L
- Xmax
- 2.8mm
- Power
- 20W
- Impedance
- 4Ω
- Power Peak
- 40
- Sensitivity
- 86.1dB
- Low limit
- 60Hz
- Calculated sensitivity †
- 82.6dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 86.1dB
- Weight
- 0.45kg
- Diameter
- 114.3mm
- Depth
- 57.1mm
- Cutout
- 94.0mm
02
Compare
Same-size drivers, compared with the PCS115-4. Clear differences are green when better and red when worse.
This driverPCS115-4
Best price
£9.71
Fs
88 Hz
Qts
0.79
Vas
1.8 L
BL
3.6 T·m
Xmax
2.8 mm
Sensitivity
82.6 dB
Power
20 W
LavoceFSF030.70
£10.04 · 3% moreFs123 Hz +40%, worse
Qts0.77 –
Vas1.2 L −34%, better
BL3.5 T·m −4%
Xmax2.1 mm −24%, worse
Sensitivity85.9 dB +3.3, better
Dayton AudioCE81PF-8
£12.52 · 29% more, worseFs97 Hz +10%, worse
Qts0.81 –
Vas1.0 L −44%, better
BL3.7 T·m +3%
Xmax2.7 mm –
Sensitivity82.1 dB −0.5
PeerlessPLS-P830986
£14.59 · 50% more, worseFs110 Hz +25%, worse
Qts0.80 –
Vas0.8 L −53%, better
BL3.5 T·m −4%
Xmax3.4 mm +23%, better
Sensitivity82.7 dB –
HiViB3N
£15.45 · 59% more, worseFs77 Hz −13%, better
Qts0.86 +9%
Vas1.7 L −4%
BL3.1 T·m −14%, worse
Xmax3 mm +9%
Sensitivity80.6 dB −2, worse
HiViB3S
£15.45 · 59% more, worseFs80 Hz −9%
Qts0.93 +18%, worse
Vas1.6 L −10%
BL2.9 T·m −19%, worse
Xmax3 mm +9%
Sensitivity80.4 dB −2.2, worse
FaitalPRO4FE35
£16.58 · 71% more, worseFs100 Hz +14%, worse
Qts0.83 +5%
Vas2.4 L +36%, worse
BL3.9 T·m +8%
Xmax2.7 mm –
Sensitivity85.7 dB +3.1, better
FaitalPRO3FE26
£18.83 · 94% more, worseFs150 Hz +70%, worse
Qts0.79 –
Vas0.9 L −49%, better
BL3.3 T·m −8%
Xmax2 mm −27%, worse
Sensitivity86.4 dB +3.8, better
MonacorSPX-30M
£20.10 · 107% more, worseFs100 Hz +14%, worse
Qts0.71 −10%, better
Vas1.8 L –
BL3.0 T·m −15%, worse
Xmax1.1 mm −60%, worse
Sensitivity85.1 dB +2.5, better
LavoceFSF041.00
£20.20 · 108% more, worseFs132 Hz +50%, worse
Qts0.85 +8%
Vas1.6 L −11%, better
BL4.3 T·m +19%, better
Xmax2.2 mm −20%, worse
Sensitivity87.3 dB +4.7, better
Dayton AudioPS95-8
£22.10 · 128% more, worseFs120 Hz +36%, worse
Qts0.72 −9%
Vas0.9 L −47%, better
BL3.8 T·m +6%
Xmax2.5 mm −9%
Sensitivity85.1 dB +2.5, better
CelestionAF4010
£30.13 · 210% more, worseFs105 Hz +19%, worse
Qts0.81 –
Vas2.1 L +20%, worse
BL6.0 T·m +66%, better
Xmax2.8 mm –
Sensitivity86.1 dB +3.5, better
WavecorWF090WA01
£41.14 · 324% more, worseFs115 Hz +31%, worse
Qts0.81 –
Vas1.0 L −42%, better
BL2.9 T·m −19%, worse
Xmax2.8 mm –
Sensitivity84.3 dB +1.7
WavecorWF095WA02
£41.14 · 324% more, worseFs86 Hz –
Qts0.62 −22%, better
Vas1.6 L −10%
BL3.6 T·m –
Xmax2.7 mm –
Sensitivity83.7 dB +1.1
WavecorWF095WA01
£41.14 · 324% more, worseFs89 Hz –
Qts0.64 −19%, better
Vas1.5 L −15%, better
BL3 T·m −17%, worse
Xmax2.7 mm –
Sensitivity83.8 dB +1.2
WavecorWF090WA02
£57.10 · 488% more, worseFs109 Hz +24%, worse
Qts0.76 −4%
Vas1.1 L −36%, better
BL3.5 T·m –
Xmax2.8 mm –
Sensitivity84.3 dB +1.7
VisatonFRS 10 WP
£57.67 · 494% more, worseFs190 Hz +116%, worse
Qts0.91 +15%, worse
Vas2 L +13%, worse
BL3.8 T·m +6%
Xmax1 mm −64%, worse
Sensitivity93.3 dB +10.7, better
WavecorFR090WA02
£61.12 · 530% more, worseFs109 Hz +24%, worse
Qts0.85 +8%
Vas1.1 L −36%, better
BL3.4 T·m −6%
Xmax2.3 mm −18%, worse
Sensitivity83.7 dB +1.1
WavecorFR090WA01
£61.12 · 530% more, worseFs113 Hz +28%, worse
Qts0.88 +11%, worse
Vas1.1 L −40%, better
BL2.8 T·m −24%, worse
Xmax2.3 mm −18%, worse
Sensitivity83.8 dB +1.2
WavecorFR084WA01
£61.71 · 536% more, worseFs113 Hz +28%, worse
Qts0.82 +4%
Vas1.1 L −40%, better
BL2.9 T·m −19%, worse
Xmax2 mm −27%, worse
Sensitivity84.1 dB +1.5
HiViM3N
No current priceFs91 Hz +3%
Qts0.80 –
Vas1.5 L −15%, better
BL3 T·m −17%, worse
Xmax3 mm +9%
Sensitivity82.4 dB –
WavecorFR084WA02
No current priceFs109 Hz +24%, worse
Qts0.79 –
Vas1.1 L −36%, better
BL3.6 T·m –
Xmax2.5 mm −9%
Sensitivity84 dB +1.4
PeerlessTC10FG00-04
No current priceFs160 Hz +82%, worse
Qts0.65 −18%, better
Vas1.7 L −4%
BL3.4 T·m −6%
Xmax2.7 mm –
Sensitivity90.9 dB +8.3, better
CIARECW100Z
No current priceFs107 Hz +22%, worse
Qts0.78 –
Vas1.9 L +7%
BL3.0 T·m −17%, worse
Xmax2.1 mm −24%, worse
Sensitivity85.3 dB +2.7, better
Dayton AudioCFC100-8
No current priceFs107 Hz +22%, worse
Qts0.78 –
Vas0.75 L −58%, better
BL3.9 T·m +8%
Xmax2.5 mm −9%
Sensitivity81.6 dB −1
EminenceALPHA 4-8
No current priceFs123 Hz +40%, worse
Qts0.75 −5%
Vas1.9 L +10%
BL4.9 T·m +37%, better
Xmax2.6 mm −5%
Sensitivity88.4 dB +5.8, better
PeerlessPLS-75F25AL02-08
No current priceFs100 Hz +14%, worse
Qts0.74 −6%
Vas1.1 L −39%, better
BL3.6 T·m –
Xmax3.4 mm +23%, better
Sensitivity83.1 dB +0.5
CIARECXE134
No current priceFs84 Hz −5%
Qts0.78 –
Vas5.2 L +194%, worse
BL3.3 T·m −8%
Xmax2.1 mm −24%, worse
Sensitivity87 dB +4.4, better
EminenceALPHA 4-4
No current priceFs120 Hz +36%, worse
Qts0.63 −20%, better
Vas1.8 L –
BL4.1 T·m +14%, better
Xmax2.6 mm −5%
Sensitivity88.4 dB +5.8, better
Tang BandW3-532SQF
No current priceFs100 Hz +14%, worse
Qts0.72 −9%
Vas1.5 L −13%, better
BL3.2 T·m −10%, worse
Xmax0.5 mm −82%, worse
Sensitivity84.5 dB +1.9
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 52 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 | £9.71, the lowest price | 160 in stock | Visit shop at Parts Express | |
SoundImports Import VAT and duty may apply | £14.19 | 46% above the lowest price | 21 in stock | Visit shop at SoundImports |
Audiophonics Import VAT and duty may apply | £16.66 | 72% above the lowest price | Available on order | Visit shop at Audiophonics |
Best price over time
Tracked since 4 Apr