Dayton AudioPCS175-8
£11.21 · Same priceFs56 Hz –
Qts0.83 −15%, better
Vas0.5 L +8%
BL5.6 T·m +17%, better
Xmax2.3 mm +13%, better
Sensitivity71.1 dB −18.1, worse
6.5-inch LF driver · 30 W
Dayton Audio PCS175-4 4Ω
4 Ω · 50–5000 Hz
£11.21
SteadyParts Express · 142 in stock · Ships from United States · All 3 offers
- Fs
- 56Hz
- Xmax
- 2mm
- SPL
- 89dB
- Pe
- 30W
- BL
- 4.8T·m
- Vd
- 29cm³
- Qts
- 0.98
- Vas
- 0.48L
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
30 degrees
Frequency response
240 plotted pointsMedium confidence1,840 selected pixels of 1,971 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence5,550 selected pixels of 5,550
Dayton Audio PCS175-4 is a 6.5-inch 4 ohm LF driver rated at 30 W RMS. The validated T/S data includes Fs 56 Hz, Qts 0.98, Vas 0.5 L, Xmax 2 mm, sensitivity 89.2 dB, plus 29 cm³ Vd. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £11.21.
Partial source evidence
Automated T/S checks passed, but some material low-frequency parameters are not published for this record.
Material fields not published: Qes
- Manufacturer page linked
- Datasheet linked
- Canonical units normalized for comparison
- Vd can be derived from Sd and Xmax
Thiele/Small
- Fs
- 56Hz
- Qts
- 0.98
- Qms
- 2.9
- Vas
- 0.5L
- Re
- 3.7Ω
- Le
- 0.80mH
Motor and cone
- BL
- 4.8T·m
- Sd
- 143cm²
- Mms
- 17g
- Xmax
- 2mm
- Vd †
- 29cm³
Power and response
- Sensitivity
- 89.2dB
- Power
- 30W
- Impedance
- 4Ω
- Range
- 50–5000Hz
Size and mounting
- Diameter
- 177.8mm
- Cutout
- 146.1mm
- Depth
- 69.8mm
- Weight
- 0.7kg
Other published values
- Cms
- 0.47mm/N
- Power Peak
- 60
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 6.5″
- BL
- 4.8T·m
- Fs
- 56Hz
- Le
- 0.80mH
- Re
- 3.7Ω
- Sd
- 143cm²
- Cms
- 0.47mm/N
- Mms
- 17g
- Qms
- 2.9
- Qts
- 0.98
- SPL
- 89.2dB
- Vas
- 0.5L
- Xmax
- 2mm
- Power
- 30W
- Impedance
- 4Ω
- Power Peak
- 60
- Sensitivity
- 89.2dB
- Low limit
- 50Hz
- High limit
- 5000Hz
- Manufacturer sensitivity
- 89.2dB
- Weight
- 0.7kg
- Diameter
- 177.8mm
- Depth
- 69.8mm
- Cutout
- 146.1mm
02
Compare
Same-size drivers, compared with the PCS175-4. Clear differences are green when better and red when worse.
This driverPCS175-4
Best price
£11.21
Fs
56 Hz
Qts
0.98
Vas
0.5 L
BL
4.8 T·m
Xmax
2 mm
Sensitivity
89.2 dB
Power
30 W
VisatonW 170
£19.63 · 75% more, worseFs57 Hz –
Qts0.69 −30%, better
Vas24 L +4859%, worse
BL5 T·m +5%
Xmax2 mm –
Sensitivity89 dB –
PRV Audio6MR200A-4
£20.13 · 80% more, worseFs138 Hz +147%, worse
Qts0.97 –
Vas3.9 L +704%, worse
BL4.9 T·m –
Xmax2.6 mm +31%, better
Sensitivity91.8 dB +2.6, better
GRS6LPSW-4
£20.89 · 86% more, worseFs48 Hz −14%, better
Qts1.07 +9%
Vas7.6 L +1470%, worse
BL5.4 T·m +13%, better
Xmax4 mm +100%, better
Sensitivity80 dB −9.2, worse
PRV Audio6MB200-4
£22.37 · 100% more, worseFs124 Hz +121%, worse
Qts0.97 –
Vas4.0 L +720%, worse
BL5.8 T·m +21%, better
Xmax4.8 mm +140%, better
Sensitivity90.7 dB +1.5
Dayton AudioMB620-8
£33.65 · 200% more, worseFs104 Hz +86%, worse
Qts0.59 −40%, better
Vas6.8 L +1299%, worse
BL6.7 T·m +40%, better
Xmax2 mm –
Sensitivity92.5 dB +3.3, better
PRV Audio6MR250SEAL
£36.80 · 228% more, worseFs387 Hz +592%, worse
Qts2.50 +155%, worse
Vas0.46 L −5%
BL6.8 T·m +43%, better
Xmax2.5 mm +25%, better
Sensitivity91.8 dB +2.6, better
SB AcousticsSB17MFC35-4
£54.89 · 390% more, worseFs30 Hz −46%, better
Qts0.28 −71%, better
Vas45 L +9198%, worse
BL4.9 T·m –
Xmax5.5 mm +175%, better
Sensitivity88.1 dB −1.1
SB AcousticsSB17NRX2C35-4
£55.41 · 394% more, worseFs36 Hz −36%, better
Qts0.37 −62%, better
Vas27.6 L +5602%, worse
BL4.9 T·m –
Xmax5.5 mm +175%, better
Sensitivity87 dB −2.2, worse
SB AcousticsSB17NRXC35-4
£58.18 · 419% more, worseFs35 Hz −38%, better
Qts0.32 −67%, better
Vas35.2 L +7173%, worse
BL4.8 T·m –
Xmax5.5 mm +175%, better
Sensitivity88.5 dB −0.7
Dayton AudioRS180P-4
£59.83 · 434% more, worseFs38 Hz −33%, better
Qts0.39 −60%, better
Vas27.3 L +5540%, worse
BL4.7 T·m –
Xmax6 mm +200%, better
Sensitivity86.9 dB −2.3, worse
B&C6MD38
£61.88 · 452% more, worseFs130 Hz +132%, worse
Qts0.44 −55%, better
Vas3 L +520%, worse
BL10.5 T·m +120%, better
Xmax2 mm –
Sensitivity93.3 dB +4.1, better
SB AcousticsSB17NBAC35-4
£65.93 · 488% more, worseFs30 Hz −46%, better
Qts0.29 −70%, better
Vas42.6 L +8702%, worse
BL4.9 T·m –
Xmax5.5 mm +175%, better
Sensitivity87.7 dB −1.5
Dayton AudioRS180-4
£69.58 · 521% more, worseFs38 Hz −31%, better
Qts0.46 −53%, better
Vas21.2 L +4280%, worse
BL4.7 T·m –
Xmax6 mm +200%, better
Sensitivity85.1 dB −4.1, worse
EminenceLA6-CBMR
£81.52 · 627% more, worseFs460 Hz +721%, worse
Qts0.89 −9%
Vas0.4 L −17%, better
BL11.1 T·m +132%, better
Xmax0.2 mm −90%, worse
Sensitivity97 dB +7.8, better
B&C6CXN36
£116.15 · 936% more, worseFs90 Hz +61%, worse
Qts0.95 −3%
Vas7.5 L +1450%, worse
BL5.3 T·m +12%, better
Xmax5 mm +150%, better
Sensitivity88.7 dB −0.5
No photo
PHL Audio1660NDM-SQ2
No current priceFs360 Hz +543%, worse
Qts0.90 −8%
Vas0.5 L +3%
BL12.5 T·m +162%, better
Xmax2.5 mm +25%, better
Sensitivity95.8 dB +6.6, better
CIARECXE174
No current priceFs65 Hz +16%, worse
Qts0.93 −5%
Vas15 L +2999%, worse
BL3.3 T·m −30%, worse
Xmax2.1 mm +5%
Sensitivity87.5 dB −1.7
CIARECXE184
No current priceFs113 Hz +102%, worse
Qts1.08 +10%, worse
Vas3.4 L +602%, worse
BL3.3 T·m −31%, worse
Xmax2.1 mm +5%
Sensitivity87.5 dB −1.7
JensenC6V-8
No current priceFs106 Hz +90%, worse
Qts1.08 +10%, worse
Vas7 L +1346%, worse
BL5 T·m +5%
Xmax0.5 mm −75%, worse
Sensitivity91.3 dB +2.1, better
JensenC6V-4
No current priceFs110 Hz +96%, worse
Qts0.91 −7%
Vas6.1 L +1160%, worse
BL4.1 T·m −14%, worse
Xmax0.5 mm −75%, worse
Sensitivity90.3 dB +1.1
JensenP6V-4
No current priceFs114 Hz +103%, worse
Qts1.07 +9%
Vas5.5 L +1036%, worse
BL4.0 T·m −17%, worse
Xmax0.5 mm −75%, worse
Sensitivity90.7 dB +1.5
Supravox165 LB
No current priceFs74 Hz +32%, worse
Qts0.79 −19%, better
Vas26 L +5272%, worse
BL4.2 T·m −13%, worse
Xmax2.5 mm +25%, better
Sensitivity92.4 dB +3.2, better
No photo
PHL Audio1120
No current priceFs135 Hz +141%, worse
Qts0.56 −43%, better
Vas4.4 L +809%, worse
BL8.5 T·m +78%, better
Xmax2 mm –
Sensitivity94.4 dB +5.2, better
No photo
PHL Audio1120NDU
No current priceFs135 Hz +141%, worse
Qts0.56 −43%, better
Vas4.4 L +809%, worse
BL8.5 T·m +78%, better
Xmax2 mm –
Sensitivity94.4 dB +5.2, better
Eighteen Sound6ND410
No current priceFs149 Hz +166%, worse
Qts0.48 −51%, better
Vas6.2 L +1181%, worse
BL13 T·m +172%, better
Xmax2 mm –
Sensitivity97.7 dB +8.5, better
REDCATT61XR
No current priceFs64 Hz +14%, worse
Qts0.72 −27%, better
Vas8.6 L +1677%, worse
BL4.8 T·m –
Xmax8.1 mm +305%, better
Sensitivity85.7 dB −3.5, worse
WavecorWF168OM01
No current priceFs39 Hz −30%, better
Qts0.45 −54%, better
Vas29.5 L +5995%, worse
BL4.8 T·m –
Xmax4.2 mm +110%, better
Sensitivity87.7 dB −1.5
SB AcousticsMW16PF-4
No current priceFs28 Hz −50%, better
Qts0.33 −66%, better
Vas49 L +10024%, worse
BL4.7 T·m –
Xmax5.5 mm +175%, better
Sensitivity86.9 dB −2.3, worse
Dayton AudioE150MR-4
No current priceFs75 Hz +34%, worse
Qts0.52 −47%, better
Vas7.4 L +1429%, worse
BL4.9 T·m –
Xmax2.7 mm +35%, better
Sensitivity89.1 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 51 rating · Checked 26 Oct 2026Read reviews on SoundImports
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 | £11.21, the lowest price | 142 in stock | Visit shop at Parts Express | |
SoundImports Import VAT and duty may apply | £16.70 | 49% above the lowest price | 20 in stock | Visit shop at SoundImports |
Audiophonics Import VAT and duty may apply | £25.04 | 124% above the lowest price | Available on order | Visit shop at Audiophonics |
Best price over time
Tracked since 4 Apr