Dayton AudioCE28N-4
£4.98 · 89% less, betterFs456 Hz +777%, worse
Qts0.85 −4%
Vas0.006 L −100%, better
BL1.6 T·m −63%, worse
Xmax0.35 mm −93%, worse
Sensitivity78.6 dB +2.9, better
2-inch LF driver · 35 W
Dayton Audio RC180-55 4Ω
4 Ω · 50–2500 Hz
£44.87
SteadyParts Express · 69 in stock · Ships from United States · All 1 offer
- Fs
- 52Hz
- Xmax
- 4.7mm
- SPL
- 76dB
- Pe
- 35W
- BL
- 4.2T·m
- Vd
- 27cm³
- Qts
- 0.89
- Vas
- 2L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
240 plotted pointsMedium confidence1,275 selected pixels of 1,324 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
240 plotted pointsMedium confidence2,678 selected pixels of 2,805
Dayton Audio RC180-55 is a 2-inch 4 ohm LF driver rated at 35 W RMS. The validated T/S data includes Fs 52 Hz, Qts 0.89, Vas 2.0 L, Xmax 4.7 mm, sensitivity 75.7 dB, plus 27 cm³ Vd and 42 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 £44.87.
The published T/S values agree with each other
Thiele/Small
- Fs
- 52Hz
- Qts
- 0.89
- Qes
- 1.23
- Qms
- 3.3
- Vas
- 2.0L
- Re
- 3.3Ω
- Le
- 0.10mH
Motor and cone
- BL
- 4.2T·m
- Sd
- 56cm²
- Mms
- 20g
- Xmax
- 4.7mm
- Vd †
- 27cm³
Power and response
- Sensitivity †
- 75.7dB
- Manufacturer sensitivity
- 79.6dB
- Power
- 35W
- Impedance
- 4Ω
- Range
- 50–2500Hz
- EBP †
- 42 · Leans sealed
Size and mounting
- Diameter
- 175.8mm
- Cutout
- 159mm
- Depth
- 77mm
Other published values
- Cms
- 0.46mm/N
- Power Peak
- 70
Sensitivity shows 75.7 dB, calculated from the T/S values. Dayton Audio publishes 79.6 dB, 3.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 2″
- BL
- 4.2T·m
- Fs
- 52Hz
- Le
- 0.10mH
- Re
- 3.3Ω
- Sd
- 56cm²
- Cms
- 0.46mm/N
- Mms
- 20g
- Qes
- 1.23
- Qms
- 3.3
- Qts
- 0.89
- SPL
- 75.7dB
- Vas
- 2.0L
- Xmax
- 4.7mm
- Power
- 35W
- Impedance
- 4Ω
- Power Peak
- 70
- Sensitivity
- 79.6dB
- Low limit
- 50Hz
- Calculated sensitivity †
- 75.7dB
- High limit
- 2500Hz
- Manufacturer sensitivity
- 79.6dB
- Diameter
- 175.8mm
- Depth
- 77mm
- Cutout
- 159mm
02
Compare
Same-size drivers, compared with the RC180-55. Clear differences are green when better and red when worse.
This driverRC180-55
Best price
£44.87
Fs
52 Hz
Qts
0.89
Vas
2.0 L
BL
4.2 T·m
Xmax
4.7 mm
Sensitivity
75.7 dB
Power
35 W
Dayton AudioCE45N-4
£6.24 · 86% less, betterFs178 Hz +242%, worse
Qts0.89 –
Vas0.084 L −96%, better
BL1.8 T·m −58%, worse
Xmax1.1 mm −77%, worse
Sensitivity78.3 dB +2.6, better
Dayton AudioCE140-30S-8
£11.59 · 74% less, betterFs105 Hz +102%, worse
Qts1.04 +17%, worse
Vas0.4 L −80%, better
BL4.3 T·m –
Xmax2 mm −57%, worse
Sensitivity77.5 dB +1.8
Dayton AudioCE81PF-8
£12.52 · 72% less, betterFs97 Hz +87%, worse
Qts0.81 −9%
Vas1.0 L −51%, better
BL3.7 T·m −12%, worse
Xmax2.7 mm −43%, worse
Sensitivity82.1 dB +6.4, better
REDCATT22NFR
£13.81 · 69% less, betterFs255 Hz +390%, worse
Qts0.85 −4%
Vas0.08 L −96%, better
BL3.9 T·m −8%
Xmax0.75 mm −84%, worse
Sensitivity83.3 dB +7.6, better
SB AcousticsSB10PGC21-4
£14.23 · 68% less, betterFs89 Hz +71%, worse
Qts0.92 +3%
Vas1.2 L −41%, better
BL2.3 T·m −46%, worse
Xmax2.3 mm −52%, worse
Sensitivity81.3 dB +5.6, better
HiViB3N
£15.45 · 66% less, betterFs77 Hz +48%, worse
Qts0.86 −3%
Vas1.7 L −17%, better
BL3.1 T·m −27%, worse
Xmax3 mm −36%, worse
Sensitivity80.6 dB +4.9, better
HiViB3S
£15.45 · 66% less, betterFs80 Hz +54%, worse
Qts0.93 +4%
Vas1.6 L −22%, better
BL2.9 T·m −31%, worse
Xmax3 mm −36%, worse
Sensitivity80.4 dB +4.7, better
REDCATT31NFR
£15.45 · 66% less, betterFs115 Hz +121%, worse
Qts0.88 –
Vas0.85 L −58%, better
BL3.5 T·m −17%, worse
Xmax1.7 mm −64%, worse
Sensitivity83.4 dB +7.7, better
Sica2.5 H 0.8 SL
£17.58 · 61% less, betterFs185 Hz +256%, worse
Qts0.92 +3%
Vas0.2 L −90%, better
BL2.8 T·m −34%, worse
Xmax1.3 mm −72%, worse
Sensitivity82.6 dB +6.9, better
FaitalPRO3FE26
£18.83 · 58% less, betterFs150 Hz +188%, worse
Qts0.79 −11%, better
Vas0.9 L −56%, better
BL3.3 T·m −22%, worse
Xmax2 mm −57%, worse
Sensitivity86.4 dB +10.7, better
Tang BandW2-2355S
£29.47 · 34% less, betterFs80 Hz +54%, worse
Qts0.56 −37%, better
Vas0.14 L −93%, better
BL4.3 T·m –
Xmax5 mm +6%
Sensitivity72.3 dB −3.4, worse
Tang BandW3-881SJF
£30.14 · 33% less, betterFs100 Hz +92%, worse
Qts0.39 −56%, better
Vas1.9 L −7%
BL4.5 T·m +6%
Xmax0.5 mm −89%, worse
Sensitivity88.7 dB +13, better
CelestionAN2075
£33.66 · 25% less, betterFs153 Hz +195%, worse
Qts0.84 −6%
Vas1.5 L −26%, better
BL2.7 T·m −36%, worse
Xmax2.3 mm −52%, worse
Sensitivity89.4 dB +13.7, better
CelestionAN2775
£35.00 · 22% less, betterFs123 Hz +137%, worse
Qts0.96 +8%
Vas3.6 L +75%, worse
BL3.1 T·m −28%, worse
Xmax2.3 mm −52%, worse
Sensitivity89.6 dB +13.9, better
MarkaudioCHR-70
£37.64 · 16% less, betterFs65 Hz +26%, worse
Qts0.55 −38%, better
Vas5.2 L +153%, worse
BL4.2 T·m –
Xmax4.3 mm −9%
Sensitivity85.2 dB +9.5, better
Dayton AudioRS52AN-8
£52.67 · 17% more, worseFs341 Hz +556%, worse
Qts0.86 −3%
Vas0.13 L −94%, better
BL4.3 T·m –
Xmax1 mm −79%, worse
Sensitivity88.4 dB +12.7, better
WavecorSW084OM02
No current priceFs77 Hz +48%, worse
Qts0.53 −40%, better
Vas1.7 L −17%, better
BL4.6 T·m +8%
Xmax4.5 mm −4%
Sensitivity83.4 dB +7.7, better
WavecorSW084OM01
No current priceFs74 Hz +42%, worse
Qts0.44 −51%, better
Vas1.7 L −17%, better
BL3.6 T·m −16%, worse
Xmax4.5 mm −4%
Sensitivity83.8 dB +8.1, better
LavoceFSN020.72
No current priceFs210 Hz +304%, worse
Qts0.92 +3%
Vas0.18 L −91%, better
BL3.2 T·m −25%, worse
Xmax2.3 mm −51%, worse
Sensitivity83.6 dB +7.9, better
Dayton AudioCE67PR-4
No current priceFs218 Hz +319%, worse
Qts0.92 +3%
Vas0.11 L −95%, better
BL3.2 T·m −24%, worse
Xmax2.2 mm −53%, worse
Sensitivity82.1 dB +6.4, better
HiViM3N
No current priceFs91 Hz +75%, worse
Qts0.80 −10%, better
Vas1.5 L −26%, better
BL3 T·m −29%, worse
Xmax3 mm −36%, worse
Sensitivity82.4 dB +6.7, better
MorelINTEGRA 424
No current priceFs120 Hz +131%, worse
Qts0.48 −46%, better
Vas2 L –
BL4.3 T·m –
Xmax3 mm −36%, worse
Sensitivity89.6 dB +13.9, better
No current price
Fs75 Hz +44%, worse
Qts0.75 −16%, better
Vas6.3 L +207%, worse
BL4.2 T·m –
Xmax6.5 mm +38%, better
Sensitivity86.3 dB +10.6, better
WavecorFR084OM02
No current priceFs117 Hz +125%, worse
Qts1.06 +19%, worse
Vas1.1 L −47%, better
BL3.4 T·m −20%, worse
Xmax2.3 mm −52%, worse
Sensitivity83.6 dB +7.9, better
WavecorFR084WA02
No current priceFs109 Hz +110%, worse
Qts0.79 −11%, better
Vas1.1 L −44%, better
BL3.6 T·m −14%, worse
Xmax2.5 mm −47%, worse
Sensitivity84 dB +8.3, better
Tang BandW3-316B
No current priceFs100 Hz +92%, worse
Qts0.44 −51%, better
Vas1.9 L −7%
BL4.1 T·m –
Xmax1.2 mm −74%, worse
Sensitivity88 dB +12.3, better
PeerlessTC8FD00-04
No current priceFs140 Hz +169%, worse
Qts0.94 +6%
Vas0.7 L −66%, better
BL2.4 T·m −43%, worse
Xmax3.7 mm −21%, worse
Sensitivity83.4 dB +7.7, better
WavecorFR084OM01
No current priceFs115 Hz +121%, worse
Qts0.92 +3%
Vas1.1 L −47%, better
BL2.8 T·m −35%, worse
Xmax2.3 mm −52%, worse
Sensitivity84.1 dB +8.4, better
MarkaudioCHP-70 GENERATION 2
No current priceFs72 Hz +39%, worse
Qts0.52 −42%, better
Vas4.7 L +130%, worse
BL4.2 T·m –
Xmax4.2 mm −11%, worse
Sensitivity86.3 dB +10.6, 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 Express4.9 out of 57 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 | £44.87, the lowest price | 69 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 22 Jul