GRS4SMP-8
£11.96 · 20% less, betterFs63 Hz −30%, better
Qts0.65 −4%
Vas4 L +23%, worse
BL4.2 T·m +23%, better
Xmax4 mm +39%, better
Sensitivity82.8 dB −4.2, worse
4-inch LF driver · 20 mm voice coil · 30 W
PRV Audio 4MR60-4 4Ω
4 Ω · 90–15000 Hz
£14.89
SteadyParts Express · 69 in stock · Ships from United States · All 2 offers
- Fs
- 90Hz
- Xmax
- 2.9mm
- SPL
- 87dB
- Pe
- 30W
- BL
- 3.4T·m
- Vd
- 16cm³
- Qts
- 0.68
- Vas
- 3L
PRV Audio 4MR60-4 is a 4-inch 4 ohm LF driver rated at 30 W RMS. The validated T/S data includes Fs 90 Hz, Qts 0.68, Vas 3.3 L, Xmax 2.9 mm, sensitivity 87 dB, plus 16 cm³ Vd and 120 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 £14.89.
The published T/S values agree with each other
Thiele/Small
- Fs
- 90Hz
- Qts
- 0.68
- Qes
- 0.75
- Qms
- 7.3
- Vas
- 3.3L
- Re
- 3.6Ω
- Le
- 0.20mH
Motor and cone
- BL
- 3.4T·m
- Sd
- 57cm²
- Mms
- 4g
- Xmax
- 2.9mm
- Vd †
- 16cm³
- Voice coil
- 20mm
Power and response
- Sensitivity †
- 87dB
- Manufacturer sensitivity
- 90dB
- Power
- 30W
- Impedance
- 4Ω
- Range
- 90–15000Hz
- Crossover
- 190Hz
- EBP †
- 120 · Leans vented
Size and mounting
- Diameter
- 126mm
- Cutout
- 102mm
- Depth
- 60mm
- Weight
- 0.5kg
Other published values
- Cms
- 0.72mm/N
Other dimensions
- Mounting Depth
- 56
Sensitivity shows 87.0 dB, calculated from the T/S values. PRV Audio publishes 90.0 dB, 3.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else PRV Audio lists
MF · Primary · 4″
- BL
- 3.4T·m
- Fs
- 90Hz
- Le
- 0.20mH
- Re
- 3.6Ω
- Sd
- 57cm²
- Cms
- 0.72mm/N
- Mms
- 4g
- Qes
- 0.75
- Qms
- 7.3
- Qts
- 0.68
- SPL
- 87dB
- Vas
- 3.3L
- Xmax
- 2.9mm
- Power
- 30W
- Impedance
- 4Ω
- Sensitivity
- 90dB
- Low limit
- 90Hz
- Calculated sensitivity †
- 87dB
- High limit
- 15000Hz
- Manufacturer sensitivity
- 90dB
- Voice coil
- 20mm
- Crossover
- 190Hz
- Weight
- 0.5kg
- Diameter
- 126mm
- Depth
- 60mm
- Mounting Depth
- 56
- Cutout
- 102mm
02
Compare
Same-size drivers, compared with the 4MR60-4. Clear differences are green when better and red when worse.
This driver4MR60-4
Best price
£14.89
Fs
90 Hz
Qts
0.68
Vas
3.3 L
BL
3.4 T·m
Xmax
2.9 mm
Sensitivity
87 dB
Power
30 W
Dayton AudioPC83-8
£13.10 · 12% less, betterFs82 Hz −9%
Qts0.63 −7%
Vas1.7 L −48%, better
BL3.5 T·m –
Xmax2 mm −30%, worse
Sensitivity83 dB −4, worse
PeerlessGBS-85N25PR07-04
£14.59 · 2% lessFs130 Hz +45%, worse
Qts0.70 –
Vas0.47 L −86%, better
BL4.5 T·m +31%, better
Xmax3.0 mm –
Sensitivity83.1 dB −3.9, worse
REDCATT5FR
£15.83 · 6% more, worseFs92 Hz –
Qts0.69 –
Vas3.8 L +17%, worse
BL6.3 T·m +84%, better
Xmax2 mm −30%, worse
Sensitivity88.1 dB +1.1
FaitalPRO4FE35
£16.09 · 8% more, worseFs100 Hz +11%, worse
Qts0.73 +7%
Vas2.4 L −26%, better
BL3 T·m −12%, worse
Xmax1.7 mm −40%, worse
Sensitivity86.3 dB −0.7
Dayton AudioPC105-8
£16.70 · 12% more, worseFs85 Hz −6%
Qts0.64 −6%
Vas3.4 L +4%
BL4.1 T·m +20%, better
Xmax2 mm −30%, worse
Sensitivity85.7 dB −1.3
Dayton AudioPS95-8
£22.10 · 48% more, worseFs120 Hz +33%, worse
Qts0.72 +6%
Vas0.9 L −71%, better
BL3.8 T·m +12%, better
Xmax2.5 mm −13%, worse
Sensitivity85.1 dB −1.9
Dayton AudioDMA105-8
£22.10 · 48% more, worseFs72 Hz −20%, better
Qts0.63 −7%
Vas4.2 L +30%, worse
BL4.5 T·m +32%, better
Xmax2.5 mm −13%, worse
Sensitivity84.8 dB −2.2, worse
CIAREPA087
£24.28 · 63% more, worseFs74 Hz −18%, better
Qts0.62 −9%
Vas2.2 L −33%, better
BL3.5 T·m –
Xmax2 mm −30%, worse
Sensitivity83 dB −4, worse
LavoceFSN030.71
£24.69 · 66% more, worseFs134 Hz +49%, worse
Qts0.67 –
Vas1.0 L −68%, better
BL3.8 T·m +12%, better
Xmax2.1 mm −27%, worse
Sensitivity87.3 dB –
Dayton AudioND90-4
£25.04 · 68% more, worseFs90 Hz –
Qts0.63 −7%
Vas1.1 L −67%, better
BL3.5 T·m –
Xmax4 mm +39%, better
Sensitivity82.4 dB −4.6, worse
LavoceCSF051.21
£29.17 · 96% more, worseFs110 Hz +22%, worse
Qts0.64 −6%
Vas4.1 L +25%, worse
BL5.9 T·m +73%, better
Xmax3.4 mm +18%, better
Sensitivity90.7 dB +3.7, better
Dayton AudioDMA105-4
£30.10 · 102% more, worseFs73 Hz −19%, better
Qts0.51 −25%, better
Vas4.2 L +30%, worse
BL3.4 T·m –
Xmax2.5 mm −13%, worse
Sensitivity86.2 dB −0.8
Dayton AudioND105-8
£30.48 · 105% more, worseFs67 Hz −26%, better
Qts0.66 –
Vas3.0 L −9%
BL5.4 T·m +59%, better
Xmax4 mm +39%, better
Sensitivity82.8 dB −4.2, worse
Tang BandW3-871SC
£30.90 · 107% more, worseFs110 Hz +22%, worse
Qts0.59 −13%, better
Vas1.6 L −49%, better
BL3.5 T·m –
Xmax0.5 mm −83%, worse
Sensitivity86.9 dB –
CIAREPA100
£30.98 · 108% more, worseFs100 Hz +11%, worse
Qts0.59 −13%, better
Vas2.5 L −23%, better
BL4.4 T·m +28%, better
Xmax2.5 mm −13%, worse
Sensitivity87.6 dB +0.6
WavecorWF095WA02
£41.14 · 176% more, worseFs86 Hz −4%
Qts0.62 −9%
Vas1.6 L −51%, better
BL3.6 T·m +5%
Xmax2.7 mm −6%
Sensitivity83.7 dB −3.3, worse
WavecorWF095WA01
£41.14 · 176% more, worseFs89 Hz –
Qts0.64 −6%
Vas1.5 L −54%, better
BL3 T·m −12%, worse
Xmax2.7 mm −6%
Sensitivity83.8 dB −3.2, worse
Tang BandW3-1364SA
£50.24 · 237% more, worseFs105 Hz +17%, worse
Qts0.59 −13%, better
Vas1.9 L −42%, better
BL3.1 T·m −8%
Xmax0.5 mm −83%, worse
Sensitivity86.5 dB −0.5
WavecorWF090WA02
£57.10 · 283% more, worseFs109 Hz +21%, worse
Qts0.76 +12%, worse
Vas1.1 L −65%, better
BL3.5 T·m –
Xmax2.8 mm −4%
Sensitivity84.3 dB −2.7, worse
Sica5 N 1.5 PL
£65.31 · 339% more, worseFs111 Hz +23%, worse
Qts0.56 −18%, better
Vas3 L −8%
BL6.2 T·m +82%, better
Xmax3 mm +5%
Sensitivity89.5 dB +2.5, better
WavecorWF118WA06
£82.89 · 457% more, worseFs66 Hz −27%, better
Qts0.55 −19%, better
Vas3.5 L +7%
BL5.6 T·m +64%, better
Xmax3 mm +5%
Sensitivity84.3 dB −2.7, worse
PeerlessTC10FG00-04
No current priceFs160 Hz +78%, worse
Qts0.65 −4%
Vas1.7 L −48%, better
BL3.4 T·m –
Xmax2.7 mm −6%
Sensitivity90.9 dB +3.9, better
LavoceWSF051.02
No current priceFs106 Hz +18%, worse
Qts0.60 −12%, better
Vas3.3 L –
BL6.4 T·m +87%, better
Xmax3.1 mm +8%
Sensitivity89.7 dB +2.7, better
Dayton AudioCFC100-4
No current priceFs94 Hz +5%
Qts0.60 −12%, better
Vas0.8 L −74%, better
BL3.1 T·m −8%
Xmax2.5 mm −13%, worse
Sensitivity81.7 dB −5.3, worse
EminenceALPHA 4-4
No current priceFs120 Hz +34%, worse
Qts0.63 −7%
Vas1.8 L −46%, better
BL4.1 T·m +20%, better
Xmax2.6 mm −9%
Sensitivity88.4 dB +1.4
Tang BandW4-2099
No current priceFs60 Hz −33%, better
Qts0.47 −31%, better
Vas2.8 L −15%, better
BL3.7 T·m +8%
Xmax3 mm +5%
Sensitivity82.5 dB −4.5, worse
PeerlessPLS-75F25AL02-08
No current priceFs100 Hz +11%, worse
Qts0.74 +9%
Vas1.1 L −67%, better
BL3.6 T·m +5%
Xmax3.4 mm +18%, better
Sensitivity83.1 dB −3.9, worse
Tang BandW3-532SQ
No current priceFs100 Hz +11%, worse
Qts0.61 −10%, better
Vas1.7 L −48%, better
BL3.5 T·m +3%
Xmax0.2 mm −93%, worse
Sensitivity85.9 dB −1.1
MonacorSP-4/60PRO
No current priceFs92 Hz –
Qts0.60 −12%, better
Vas3 L −8%
BL5.8 T·m +71%, better
Xmax2.3 mm −20%, worse
Sensitivity87.5 dB +0.5
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.8 out of 530 ratings · Checked 25 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 | £14.89, the lowest price | 69 in stock | Visit shop at Parts Express | |
SoundImports Import VAT and duty may apply | £20.89 | 40% above the lowest price | Back order | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr