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Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespDayton Audio RS225P-4A 4Ω
LF DriverMedia
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Overview
LF Driver
Dayton Audio
Dayton Audio RS225P-4A
Dayton Audio RS225P-4A is a 8" 4 ohm LF driver rated at 80W RMS. The validated T/S data includes Fs 38Hz, Qts 0.38, Vas 45.8L, Xmax 6mm, sensitivity 89.1dB, plus 128cm³ Vd and 79 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £66.55.
Size
8"
Impedance
4Ω
RMS Power
80W
Sensitivity
89.1dB
92.9dBmanufacturer; using T/S-derived value (3.8dB delta).
EBP
79
Either alignment
Vd
128cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
30 degrees240 ptsp1medium
on-axis240 ptsp1medium
Curve provenanceInspect 2 tracesHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
240 plotted pointsMedium confidence3,189 selected pixels of 4,382 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence5,817 selected pixels of 5,817
T/S Parameters
Valid
Fs38Hz
Qts0.38
Qes0.48
Qms1.9
Vas45.8L
Re3.3Ω
Le0.51mH
BL6.4Tm
Sd214cm²
Mms25g
Xmax6.0mm
SPL89dB
Power80W
Impedance4Ω
F Low35Hz
F High5500Hz
Pricing & availability
Price definitionsPrice movement
Other offers
1 vendorsoundimports
Updated 11 Sept 2026
Source: inc VAT
£111.65
inc VAT
Out of stock
Best current price
Updated 11 Sept 2026
partsexpress
£66.55
inc VAT·134 in stock
Use this driver
Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.
Files use canonical values. Required mechanical fields are derived only where the target format needs them.
WinISD
.wdr · WinISD driver editor
Native WinISD driver record with the required SI conversions.
Download for WinISDBASTA!
.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
Download for BASTA!VituixCAD
.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
Download for VituixCAD00 Simulator
Direct import · Web app
Start a new enclosure simulation with this driver already loaded.
Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Diameter223.0mm
Overall Depth84.0mm
Cutout Diameter184.0mm
Similar Drivers
Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.
Reference
Dayton Audio
RS225P-4A
8"
Best current price
£66.55
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
53%
Similarity
39% cheaper£40.67
Dayton Audio
SIG180-4
7"
Lower price
Xmax5mm-17%
Qts0.380%
BL6.6Tm+3%
Vas23.2L-49%
Qes0.41-15%
34%
Similarity
13% cheaper£57.57
Scanspeak
18W/8434G00
7"
Lower price
Xmax4.2mm-30%
Qts0.43+13%
BL7.2Tm+12%
Vas19.5L-57%
Qes0.46-4%
57%
Similarity
11% cheaper£59.16
Dayton Audio
RS180P-4
7"
Lower price
Xmax6mm0%
Qts0.39+3%
BL4.7Tm-27%
Vas27.3L-40%
Qes0.480%
52%
Similarity
11% cheaper£59.16
Dayton Audio
RS180P-8
7"
Lower price
Xmax6mm0%
Qts0.34-11%
BL7.2Tm+12%
Vas22L-52%
Qes0.44-8%
41%
Similarity
11% cheaper£59.16
Dayton Audio
RS180-8
7"
Lower price
Xmax6mm0%
Qts0.31-18%
BL7.8Tm+22%
Vas24.4L-47%
Qes0.42-12%
31%
Similarity
11% cheaper£59.16
Dayton Audio
RS180-4
7"
Lower price
Xmax6mm0%
Qts0.46+21%
BL4.7Tm-26%
Vas21.2L-54%
Qes0.59+23%
90%
Similarity
£66.55
Dayton Audio
RS225-4
8"
Xmax6mm0%
Qts0.41+8%
BL6.4Tm0%
Vas46.4L+1%
Qes0.52+8%
34%
Similarity
31% more£86.95
Scanspeak
18W/4434G00
7"
Higher price
Xmax4.3mm-28%
Qts0.35-8%
BL6Tm-6%
Vas20.7L-55%
Qes0.37-23%
Image unavailable
46%
Similarity
76% more£116.86
Wavecor
WF182BD12
7"
Higher price
Xmax5.5mm-8%
Qts0.37-3%
BL8.2Tm+28%
Vas32.4L-29%
Qes0.38-21%
Image unavailable
50%
Similarity
81% more£120.56
Wavecor
WF182BD17
7"
Higher price
Xmax5.5mm-8%
Qts0.35-8%
BL6.5Tm+2%
Vas24.3L-47%
Qes0.37-23%
55%
Similarity
118% more£145.25
Scanspeak
18W/8535-01
7"
Higher price
Xmax5mm-17%
Qts0.380%
BL5.9Tm-8%
Vas68.9L+50%
Qes0.46-4%
54%
Similarity
136% more£157.04
Scanspeak
18W/8542-10
7"
Higher price
Xmax6.5mm+8%
Qts0.35-8%
BL6.9Tm+8%
Vas26L-43%
Qes0.44-8%