CIAREHW162
£47.69 · 25% less, betterFs44 Hz +19%, worse
Qts0.33 +3%
Vas24.8 L −20%, better
BL7.5 T·m −7%
Xmax4.5 mm −22%, worse
Sensitivity89.4 dB +1.1
6.5-inch LF driver · E series · 25 mm voice coil · 60 W
HiVi E6.5 8Ω
8 Ω
£63.76
SteadyParts Express · 14 in stock · Ships from United States · All 1 offer
- Fs
- 37Hz
- Xmax
- 5.8mm
- SPL
- 88dB
- Pe
- 60W
- BL
- 8.1T·m
- Vd
- 80cm³
- Qts
- 0.32
- Vas
- 31L
HiVi E6.5 is a 6.5-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 37 Hz, Qts 0.32, Vas 31 L, Xmax 5.8 mm, sensitivity 88.3 dB, plus 80 cm³ Vd and 100 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 £63.76.
The published T/S values agree with each other
Thiele/Small
- Fs
- 37Hz
- Qts
- 0.32
- Qes
- 0.37
- Qms
- 2.4
- Vas
- 31L
- Re
- 6.8Ω
Motor and cone
- BL
- 8.1T·m
- Sd Derived
- 138cm²
- Mms
- 15g
- Xmax
- 5.8mm
- Vd †
- 80cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 88.3dB
- Manufacturer sensitivity
- 88dB
- Power
- 60W
- Impedance
- 8Ω
- EBP †
- 100 · Sealed or vented
Size and mounting
- Weight
- 2.2kg
Other published values
- Cms
- 1.17mm/N
- Power Peak
- 120
† Calculated by bits from the published values
What this validation status means
Everything else HiVi lists
LF · Primary · 6.5″
- BL
- 8.1T·m
- Fs
- 37Hz
- Re
- 6.8Ω
- Sd
- 138cm²
- Cms
- 1.17mm/N
- Mms
- 15g
- Qes
- 0.37
- Qms
- 2.4
- Qts
- 0.32
- SPL
- 88.3dB
- Vas
- 31L
- Xmax
- 5.8mm
- Power
- 60W
- Impedance
- 8Ω
- Power Peak
- 120
- Sensitivity
- 88dB
- Calculated sensitivity †
- 88.3dB
- Manufacturer sensitivity
- 88dB
- Voice coil
- 25mm
- Weight
- 2.2kg
02
Compare
Same-size drivers, compared with the E6.5. Clear differences are green when better and red when worse.
This driverE6.5
Best price
£63.76
Fs
37 Hz
Qts
0.32
Vas
31 L
BL
8.1 T·m
Xmax
5.8 mm
Sensitivity
88.3 dB
Power
60 W
Sica6 H 1.5 CP
£55.13 · 14% less, betterFs46 Hz +24%, worse
Qts0.35 +9%
Vas16.6 L −46%, better
BL8.4 T·m +4%
Xmax6 mm +4%
Sensitivity88.3 dB –
SB AcousticsSB17NRXC35-4
£58.14 · 9% less, betterFs35 Hz −5%
Qts0.32 –
Vas35.2 L +14%, worse
BL4.8 T·m −41%, worse
Xmax5.5 mm −4%
Sensitivity88.5 dB –
Dayton AudioRS180-8
£60.01 · 6% less, betterFs36 Hz −4%
Qts0.31 −3%
Vas24.4 L −21%, better
BL7.8 T·m −3%
Xmax6 mm +4%
Sensitivity86.3 dB −2, worse
SB AcousticsSB17NAC35-4
£71.07 · 11% more, worseFs32 Hz −14%, better
Qts0.32 –
Vas33 L +6%
BL5.2 T·m −36%, worse
Xmax5.5 mm −4%
Sensitivity87.1 dB −1.2
SB AcousticsSB17CRC35-4
£85.53 · 34% more, worseFs32 Hz −15%, better
Qts0.32 –
Vas35.5 L +15%, worse
BL5 T·m −38%, worse
Xmax5.5 mm −4%
Sensitivity87 dB −1.3
Dayton AudioPS180-8
£90.02 · 41% more, worseFs59 Hz +58%, worse
Qts0.33 +3%
Vas27.6 L −11%, better
BL6.8 T·m −16%, worse
Xmax4.6 mm −20%, worse
Sensitivity93.9 dB +5.6, better
SEASH1215-08 CA18RNX
£101.94 · 60% more, worseFs35 Hz −5%
Qts0.31 −3%
Vas33 L +6%
BL7.2 T·m −11%, worse
Xmax6 mm +4%
Sensitivity87.9 dB –
SEASH1456-08 ER18RNX
£113.94 · 79% more, worseFs37 Hz –
Qts0.32 –
Vas32 L +3%
BL7.2 T·m −11%, worse
Xmax6 mm +4%
Sensitivity88.2 dB –
WavecorWF182BD12
£118.55 · 86% more, worseFs30 Hz −20%, better
Qts0.37 +16%, worse
Vas32.4 L +5%
BL8.2 T·m –
Xmax5.5 mm −4%
Sensitivity85.4 dB −2.9, worse
WavecorWF182BD17
£122.30 · 92% more, worseFs33 Hz −11%, better
Qts0.35 +9%
Vas24.3 L −22%, better
BL6.5 T·m −20%, worse
Xmax5.5 mm −4%
Sensitivity85.8 dB −2.5, worse
WavecorWF182BD20
£188.24 · 195% more, worseFs30 Hz −20%, better
Qts0.37 +16%, worse
Vas32.4 L +5%
BL8.2 T·m –
Xmax5.5 mm −4%
Sensitivity85.4 dB −2.9, worse
WavecorWF182BD08
£190.50 · 199% more, worseFs33 Hz −10%
Qts0.29 −9%
Vas32.4 L +5%
BL8.5 T·m +5%
Xmax5.5 mm −4%
Sensitivity88.1 dB –
WavecorWF182BD16
£191.58 · 200% more, worseFs37 Hz –
Qts0.30 −6%
Vas23 L −26%, better
BL8.5 T·m +5%
Xmax5.5 mm −4%
Sensitivity87.8 dB −0.5
AccutonC173-6-191
£325.80 · 411% more, worseFs39 Hz +4%
Qts0.34 +6%
Vas21.6 L −30%, better
BL8.8 T·m +9%
Xmax5 mm −13%, worse
Sensitivity87.3 dB −1
AccutonC158-8-085
£326.24 · 412% more, worseFs37 Hz –
Qts0.36 +12%, worse
Vas27.3 L −12%, better
BL7.7 T·m −5%
Xmax5 mm −13%, worse
Sensitivity87.5 dB −0.8
WavecorWF182BD07
No current priceFs40 Hz +8%
Qts0.34 +6%
Vas24.4 L −21%, better
BL8.5 T·m +5%
Xmax5.5 mm −4%
Sensitivity88.5 dB –
WavecorWF182BD15
No current priceFs39 Hz +5%
Qts0.32 –
Vas20.8 L −33%, better
BL8.5 T·m +5%
Xmax5.5 mm −4%
Sensitivity87.8 dB −0.5
PurifiPTT6.5W08-NFA-06
No current priceFs38 Hz –
Qts0.33 +3%
Vas22.5 L −27%, better
BL9.5 T·m +17%, better
Xmax5.9 mm –
Sensitivity87.4 dB −0.9
WavecorWF182BD10
No current priceFs29 Hz −23%, better
Qts0.31 −3%
Vas32.4 L +5%
BL6.5 T·m −20%, worse
Xmax5.5 mm −4%
Sensitivity85.7 dB −2.6, worse
WavecorWF182BD18
No current priceFs29 Hz −23%, better
Qts0.31 −3%
Vas32.4 L +5%
BL6.5 T·m −20%, worse
Xmax5.5 mm −4%
Sensitivity85.7 dB −2.6, worse
No current price
Fs32 Hz −14%, better
Qts0.30 −6%
Vas29 L −6%
BL8.5 T·m +5%
Xmax5 mm −13%, worse
Sensitivity86.8 dB −1.5
No current price
Fs35 Hz −5%
Qts0.34 +6%
Vas31 L –
BL7.4 T·m −9%
Xmax7 mm +22%, better
Sensitivity87.5 dB −0.8
PurifiPTT6.5W04-NAA-08
No current priceFs33 Hz −11%, better
Qts0.30 −6%
Vas23.3 L −25%, better
BL7.7 T·m −5%
Xmax5.9 mm –
Sensitivity86.3 dB −2, worse
PurifiPTT6.5W08-NAA-08
No current priceFs35 Hz −5%
Qts0.35 +9%
Vas23.8 L −23%, better
BL9.4 T·m +16%, better
Xmax5.9 mm –
Sensitivity86.4 dB −1.9
VoltBM165.4
No current priceFs32 Hz −14%, better
Qts0.30 −6%
Vas32.3 L +4%
BL9.6 T·m +19%, better
Xmax6 mm +4%
Sensitivity87.2 dB −1.1
WavecorWF182BD09
No current priceFs33 Hz −11%, better
Qts0.35 +9%
Vas24.3 L −22%, better
BL6.5 T·m −20%, worse
Xmax5.5 mm −4%
Sensitivity85.8 dB −2.5, worse
VoltCX160.1
No current priceFs40 Hz +8%
Qts0.35 +9%
Vas22.6 L −27%, better
BL9.5 T·m +17%, better
Xmax6 mm +4%
Sensitivity88.1 dB –
No photo
PHL Audio1343
No current priceFs40 Hz +8%
Qts0.28 −12%, better
Vas29.9 L −4%
BL8.1 T·m –
Xmax5 mm −13%, worse
Sensitivity90.2 dB +1.9
No photo
PHL Audio1343NDU
No current priceFs40 Hz +8%
Qts0.28 −12%, better
Vas29.9 L −4%
BL8.1 T·m –
Xmax5 mm −13%, worse
Sensitivity90.2 dB +1.9
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express5.0 out of 52 ratings · Checked 28 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 | £63.76, the lowest price | 14 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 22 Jul