True Wireless
Denon AH-C840NCW
Not yet scored
Price n/a
Full review dataDenon AH-C840NCW vs Sony WF-1000XM6: which should you buy?
Specs, scores and condensed review verdicts for the Denon AH-C840NCW vs Sony WF-1000XM6, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
True Wireless
Sony WF-1000XM6
88Outstanding
$300
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Sony WF-1000XM6 leads on 7 of 7 measures.
- Denon AH-C840NCW
- Sony WF-1000XM6
HearWiki score
-
88
Sound
-
9.0
Noise cancelling
-
9.0
Battery
-
8.0
Calls
-
8.0
Value
-
7.0
Price (USD)
-
$300
Generation & platform
The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?
Half a step newer
Sony WF-1000XM6 (2026) against Denon AH-C840NCW (2025). The Denon AH-C840NCW edges ahead on platform, but only just: LE Audio (LC3).
- AH-C840NCW2025
- WF-1000XM620261 yr newer
What differsAH-C840NCWWF-1000XM6
- LE Audio (LC3)
- Yes
- No
Platform
Level on: Top codec, ANC type, Multipoint pairing, Wireless charging, Transparency mode, Custom EQ, Companion app, Water resistance.
Specifications
AH-C840NCWWF-1000XM6
- Type
- True Wireless
- True Wireless
- Price (USD)
- -
- $300
- HearWiki score
- Not scored
- 88
- Released
- 2025
- 2026
- Driver
- 12 mm dynamic
- 8.4 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 12 mm
- 8.4 mm
- Drivers per side
- -
- 1
- Frequency response
- -
- 20 Hz - 40 kHz
- Bluetooth
- 5.3
- -
- Codecs
- SBC, AAC, LC3
- LDAC
- Multipoint pairing
- Yes
- Yes
- Wireless range
- -
- 10 m
- Battery life
- 10 h
- 12 h
- Battery life (ANC on)
- 7 h
- 8 h
- Battery incl. case
- 35 h
- -
- Full charge time
- 120 min
- 90 min
- Quick charge
- 5 min → 1 h
- 3 min → 1 h
- Wireless charging
- Yes
- Yes
- Active noise cancelling
- Yes
- Yes
- ANC type
- adaptive
- adaptive
- Transparency mode
- Yes
- Yes
- Companion app
- Yes
- Yes
- Custom EQ
- Yes
- Yes
- Wear detection
- -
- Yes
- Controls
- touch
- touch
- Voice assistant
- -
- Google Assistant
- Weight
- 5.1 g
- 6.4 g
- Case weight
- 54 g
- 47 g
- Water resistance
- IPX4
- IPX4
- USB-C
- -
- Yes
- Microphones
- 2
- 8
What reviewers said
Denon AH-C840NCW
No summary yet - we haven't aggregated enough reviews.
Sony WF-1000XM6
The Sony WF-1000XM6 true wireless earbuds deliver a top-tier audio experience with adaptive noise cancellation and robust sound quality, making them a strong all-around choice for daily use and workouts. They feature a long battery life, LDAC support, and multipoint connectivity, though their premium price and slightly bulky case are minor trade-offs. Overall, they excel in most areas, with call clarity and customization options further boosting their appeal.
- Pro:Excellent adaptive noise cancellation
- Pro:Rich, detailed sound with LDAC support
- Pro:Long battery life even with ANC on
- Con:Premium price point may deter budget buyers
- Con:Charging case is somewhat larger than rivals
- Con:Stock ear tips might not fit all ear shapes
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
Compare something else
Swap either side out, or start again from the picker.