GRS6PT-8
£15.70 · 62% less, betterFs94 Hz +50%, worse
Qts0.72 +12%, worse
Vas9.5 L +172%, worse
BL6.4 T·m –
Xmax4.2 mm +5%
Sensitivity91.7 dB +8.9, better
6-inch LF driver · 40 W
Dayton Audio LW150-4 4Ω
4 Ω · 60–1800 Hz
£41.13
Steady9.9% below the average of 3 shops
Parts Express · 302 in stock · Ships from United States · All 3 offers
- Fs
- 63Hz
- Xmax
- 4mm
- SPL
- 83dB
- Pe
- 40W
- BL
- 6.5T·m
- Vd
- 37cm³
- Qts
- 0.64
- Vas
- 3L
Dayton Audio LW150-4 is a 6-inch 4 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 63 Hz, Qts 0.64, Vas 3.5 L, Xmax 4 mm, sensitivity 82.8 dB, plus 37 cm³ Vd and 87 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 £41.13.
The published T/S values agree with each other
Thiele/Small
- Fs
- 63Hz
- Qts
- 0.64
- Qes
- 0.72
- Qms
- 6.0
- Vas
- 3.5L
- Re
- 3.6Ω
- Le
- 0.86mH
Motor and cone
- BL
- 6.5T·m
- Sd
- 92cm²
- Mms
- 22g
- Xmax
- 4mm
- Vd †
- 37cm³
Power and response
- Sensitivity †
- 82.8dB
- Manufacturer sensitivity
- 86.1dB
- Power
- 40W
- Impedance
- 4Ω
- Range
- 60–1800Hz
- EBP †
- 87 · Sealed or vented
Size and mounting
- Diameter
- 152.4mm
- Cutout
- 127mm
- Depth
- 25.4mm
Other published values
- Cms
- 0.30mm/N
- Power Peak
- 80
Sensitivity shows 82.8 dB, calculated from the T/S values. Dayton Audio publishes 86.1 dB, 3.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 6″
- BL
- 6.5T·m
- Fs
- 63Hz
- Le
- 0.86mH
- Re
- 3.6Ω
- Sd
- 92cm²
- Cms
- 0.30mm/N
- Mms
- 22g
- Qes
- 0.72
- Qms
- 6.0
- Qts
- 0.64
- SPL
- 82.8dB
- Vas
- 3.5L
- Xmax
- 4mm
- Power
- 40W
- Impedance
- 4Ω
- Power Peak
- 80
- Sensitivity
- 86.1dB
- Low limit
- 60Hz
- Calculated sensitivity †
- 82.8dB
- High limit
- 1800Hz
- Manufacturer sensitivity
- 86.1dB
- Diameter
- 152.4mm
- Depth
- 25.4mm
- Cutout
- 127mm
02
Compare
Same-size drivers, compared with the LW150-4. Clear differences are green when better and red when worse.
This driverLW150-4
Best price
£41.13
Fs
63 Hz
Qts
0.64
Vas
3.5 L
BL
6.5 T·m
Xmax
4 mm
Sensitivity
82.8 dB
Power
40 W
REDCATT5FR
£15.83 · 62% less, betterFs92 Hz +47%, worse
Qts0.69 +8%
Vas3.8 L +9%
BL6.3 T·m −3%
Xmax2 mm −50%, worse
Sensitivity88.1 dB +5.3, better
Dayton AudioPA130-8
£17.94 · 56% less, betterFs83 Hz +33%, worse
Qts0.51 −20%, better
Vas4.0 L +13%, worse
BL6.4 T·m –
Xmax2 mm −50%, worse
Sensitivity87.8 dB +5, better
CIAREHW129
£23.44 · 43% less, betterFs75 Hz +20%, worse
Qts0.55 −14%, better
Vas6.1 L +75%, worse
BL5.2 T·m −20%, worse
Xmax3.9 mm –
Sensitivity87.3 dB +4.5, better
LavoceCSF051.21
£29.17 · 29% less, betterFs110 Hz +76%, worse
Qts0.64 –
Vas4.1 L +17%, worse
BL5.9 T·m −9%
Xmax3.4 mm −15%, worse
Sensitivity90.7 dB +7.9, better
FaitalPRO6FE200
£29.50 · 28% less, betterFs120 Hz +92%, worse
Qts0.67 +5%
Vas3.6 L +3%
BL8.2 T·m +26%, better
Xmax4.7 mm +17%, better
Sensitivity91.2 dB +8.4, better
Dayton AudioDA175-8
£29.91 · 27% less, betterFs39 Hz −38%, better
Qts0.58 −9%
Vas16.3 L +367%, worse
BL7.2 T·m +10%
Xmax4.3 mm +6%
Sensitivity83.4 dB +0.6
Dayton AudioND140-8
£32.15 · 22% less, betterFs57 Hz −10%
Qts0.68 +6%
Vas7.7 L +122%, worse
BL6.0 T·m −7%
Xmax4 mm –
Sensitivity84.5 dB +1.7
Dayton AudioND140-4
£32.15 · 22% less, betterFs59 Hz −5%
Qts0.63 –
Vas7.2 L +107%, worse
BL3.9 T·m −40%, worse
Xmax4 mm –
Sensitivity85.2 dB +2.4, better
Dayton AudioMB620-8
£33.65 · 18% less, betterFs104 Hz +66%, worse
Qts0.59 −8%
Vas6.8 L +94%, worse
BL6.7 T·m –
Xmax2 mm −50%, worse
Sensitivity92.5 dB +9.7, better
Sica6 D 1.5 CS
£37.26 · 9% less, betterFs109 Hz +73%, worse
Qts0.63 –
Vas4.4 L +26%, worse
BL7.4 T·m +13%, better
Xmax1.5 mm −63%, worse
Sensitivity90.6 dB +7.8, better
PRV Audio6MR400-4
£48.52 · 18% more, worseFs144 Hz +130%, worse
Qts0.60 −6%
Vas4.4 L +26%, worse
BL6.4 T·m –
Xmax3.3 mm −19%, worse
Sensitivity95.2 dB +12.4, better
EminenceBETA-6A
£64.09 · 56% more, worseFs123 Hz +96%, worse
Qts0.56 −12%, better
Vas3.5 L –
BL8.1 T·m +25%, better
Xmax4.5 mm +13%, better
Sensitivity92 dB +9.2, better
Sica5 N 1.5 PL
£65.31 · 59% more, worseFs111 Hz +77%, worse
Qts0.56 −12%, better
Vas3 L −14%, better
BL6.2 T·m −5%
Xmax3 mm −25%, worse
Sensitivity89.5 dB +6.7, better
VisatonW 165 A
£72.80 · 77% more, worseFs60 Hz −4%
Qts0.63 –
Vas7.8 L +125%, worse
BL5.0 T·m −23%, worse
Xmax4.7 mm +16%, better
Sensitivity85.6 dB +2.8, better
LavoceCSF061.70K
£86.22 · 110% more, worseFs97 Hz +55%, worse
Qts0.69 +8%
Vas6.5 L +86%, worse
BL6.9 T·m +6%
Xmax3.9 mm –
Sensitivity90.5 dB +7.7, better
FaitalPRO5HX220
£184.17 · 348% more, worseFs135 Hz +116%, worse
Qts0.59 −8%
Vas2.2 L −37%, better
BL7.7 T·m +18%, better
Xmax4.6 mm +14%, better
Sensitivity91.4 dB +8.6, better
AccutonC90-6-724
£527.46 · 1182% more, worseFs83 Hz +32%, worse
Qts0.60 −6%
Vas5.1 L +46%, worse
BL6.0 T·m −9%
Xmax3 mm −25%, worse
Sensitivity88.4 dB +5.6, better
PeerlessFSL-0512R01-08
No current priceFs120 Hz +92%, worse
Qts0.58 −9%
Vas3.5 L –
BL6.4 T·m –
Xmax4.3 mm +8%
Sensitivity91 dB +8.2, better
PRV Audio6MR360-4
No current priceFs143 Hz +128%, worse
Qts0.57 −11%, better
Vas3.8 L +8%
BL6.7 T·m –
Xmax4 mm –
Sensitivity94.7 dB +11.9, better
LavoceWSF051.02
No current priceFs106 Hz +69%, worse
Qts0.60 −6%
Vas3.3 L −7%
BL6.4 T·m –
Xmax3.1 mm −22%, worse
Sensitivity89.7 dB +6.9, better
PRV Audio6MR400CF-4
No current priceFs131 Hz +109%, worse
Qts0.76 +19%, worse
Vas4.1 L +18%, worse
BL6.3 T·m −3%
Xmax3.5 mm −13%, worse
Sensitivity92.8 dB +10, better
CelestionTF0512HE
No current priceFs85 Hz +35%, worse
Qts0.54 −16%, better
Vas3.5 L –
BL6.7 T·m –
Xmax4.8 mm +19%, better
Sensitivity87.7 dB +4.9, better
Lii AudioST-5
No current priceFs56 Hz −11%, better
Qts0.66 +3%
Vas14.3 L +310%, worse
BL5.8 T·m −11%, worse
Xmax4 mm –
Sensitivity86.7 dB +3.9, better
PRV Audio6MR360
No current priceFs128 Hz +104%, worse
Qts0.60 −6%
Vas4.9 L +41%, worse
BL8.3 T·m +27%, better
Xmax4 mm –
Sensitivity94.2 dB +11.4, better
PRV Audio69FR250-4
No current priceFs82 Hz +31%, worse
Qts0.70 +9%
Vas13.9 L +298%, worse
BL6.1 T·m −6%
Xmax3.5 mm −13%, worse
Sensitivity92.2 dB +9.4, better
No photo
LavoceCSF061.21
No current priceFs90 Hz +44%, worse
Qts0.67 +5%
Vas8.5 L +143%, worse
BL6.1 T·m −7%
Xmax3.2 mm −20%, worse
Sensitivity91 dB +8.2, better
PRV Audio6MB400
No current priceFs117 Hz +88%, worse
Qts0.60 −6%
Vas5.7 L +63%, worse
BL8.3 T·m +27%, better
Xmax4 mm –
Sensitivity93.6 dB +10.8, better
Dayton AudioCFC150-4
No current priceFs77 Hz +23%, worse
Qts0.70 +9%
Vas4.2 L +20%, worse
BL4.7 T·m −28%, worse
Xmax3.5 mm −13%, worse
Sensitivity85.6 dB +2.8, better
HiViW6
No current priceFs40 Hz −36%, better
Qts0.52 −19%, better
Vas25.1 L +619%, worse
BL6.7 T·m –
Xmax4.3 mm +7%
Sensitivity86 dB +3.2, 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 Express4.4 out of 517 ratings · Checked 26 Oct 2026Read reviews on Parts Express
- SoundImports4.2 out of 56 ratings · 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 | £41.13, the lowest price | 302 in stock | Visit shop at Parts Express | |
Audiophonics Import VAT and duty may apply | £43.46 | 5.7% above the lowest price | In stock | Visit shop at Audiophonics |
SoundImports Import VAT and duty may apply | £52.29 | 27% above the lowest price | 15 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr