
QCY Crossky C50 vs Sennheiser Accentum Open: which should you buy?
On aggregated review scores the QCY Crossky C50 comes out ahead with a HearWiki score of 81. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
QCY Crossky C50 leads on 6 of 6 measures.
- QCY Crossky C50
- Sennheiser Accentum Open
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?
Both shipped in 2025. The QCY Crossky C50 edges ahead on platform, but only just: Bluetooth 6.0 against 5.3. It also adds Wireless charging and Water resistance IPX5 against IPX4.
- Crossky C502025
- Accentum Open2025
- Bluetooth
- 6.0
- 5.3
- Wireless charging
- Yes
- No
- Water resistance
- IPX5
- IPX4
Platform
Everyday features
Level on: Top codec, Multipoint pairing, USB-C.
Specifications
- Type
- Open-Ear
- Open-Ear
- Price (USD)
- $40
- $50
- HearWiki score
- 81
- 62
- Released
- 2025
- 2025
- Availability
- Sold new
- Sold new
- Driver
- 10.8 mm dynamic
- 11 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 10.8 mm
- 11 mm
- Drivers per side
- 1
- 1
- Frequency response
- 20 Hz - 20 kHz
- -
- Sound signature
- neutral
- -
- Impedance
- -
- 150 Ω
- Sensitivity
- -
- 109 dB/mW
- Bluetooth
- 6.0
- 5.3
- Codecs
- SBC, AAC
- SBC, AAC
- Multipoint pairing
- Yes
- Yes
- Wireless range
- 10 m
- -
- Battery life
- 7.5 h
- 6.5 h
- Battery incl. case
- 35 h
- 24 h
- Full charge time
- 90 min
- 60 min
- Quick charge
- 10 min → 2 h
- 10 min → 1 h
- Wireless charging
- Yes
- No
- Active noise cancelling
- No
- Yes
- Companion app
- Yes
- -
- Custom EQ
- Yes
- -
- Controls
- touch
- -
- Weight
- 5.2 g
- -
- Case weight
- -
- 29.3 g
- Water resistance
- IPX5
- IPX4
- USB-C
- Yes
- Yes
- Microphones
- 4
- 4
- Call noise reduction
- Yes
- Yes
- Call NR technology
- AI ENC
- beamforming
What reviewers said
QCY Crossky C50
The QCY Crossky C50 are open-ear clip-on earbuds that deliver solid everyday performance for a modest price. They combine a bass-leaning, practical sound with long battery life, multipoint connectivity, and a comfortable, secure fit that keeps you aware of your surroundings. While not aimed at audiophiles, they're a well-rounded, feature-packed option for budget-conscious listeners.
- Pro:Comfortable, secure open-ear clip design
- Pro:Long battery life with charging case
- Pro:Multipoint pairing and Bluetooth 6.0
- Con:No active noise cancellation
- Con:Sound is more practical than premium
- Con:Touch controls may be sensitive
Sennheiser Accentum Open
The Sennheiser Accentum Open offers open-ear listening with decent sound quality, but it’s held back by a tricky fit and a build that feels less premium than its price suggests. It includes active noise cancellation and multipoint Bluetooth, though battery life is on the shorter side for a wireless model.
- Pro:Good sound quality for music and voice
- Pro:Open design keeps you aware of surroundings
- Pro:Supports multipoint Bluetooth for easy switching
- Con:Fit can be unreliable for some users
- Con:Build quality feels flimsy for the price
- Con:Battery life is modest at 6.5 hours
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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