- Model Name
- Sennheiser CX Plus True Wireless Earbuds
- Article Number (SKU)
- 509188 (black), 509189 (white)
- Wearing Style
- True Wireless Stereo Earphones
- Ear Coupling
- Ear Canal
- Frequency Response (Speaker)
- 5 Hz to 21 kHz
- Transducer Principle
- Dynamic, Closed-Back
- Transducer Size
- 7 mm, TrueResponse™
- Sound Pressure Level (SPL)
- 114 dB (1kHz/0 dBFS)
- Total Harmonic Distortion (THD)
- < 0,08 % (1 kHz, 94 dB SPL)
- Frequency Response (Microphone)
- 100 Hz to 10 kHz
- Microphone Pick-up Pattern
- 2-microphone Beamforming Array
- Battery Supply
- Built-in Lithium Rechargeable Batteries, 3.7 V
- Battery Supply (Earbuds)
- 55mAh
- Battery Supply (Charging Case)
- 400-420 mAh
- Charging Port
- USB charging via USB-C socket of the charging case
- Operating Time (Earbuds)
- 8 hrs
- Operating Time (Charging Case)
- 24 hrs
- Charging Time
- approx. 1.5 hrs for full charge, after 10 min charging 1 hrs music playtime
- Bluetooth Version
- Bluetooth 5.2
- Bluetooth Profiles
- HFP, AVRCP, A2DP
- Bluetooth Audio Codec
- aptX®, aptX adaptive®, AAC, SBC
- Bluetooth Output Power
- 10 mW (max)
- Active Noise Cancellation
- True
- IPX Rating
- IPX4
- Weight (Earbuds)
- 6 g
- Weight (Charging Case)
- 37 g
- Temperature Range (Operation)
- 0 to +40°C
- Relative Humidity (Operation)
- 10 to 80%, non condensing
- What's included
- CX Plus True Wireless Earbuds | Silicon ear adapter sets (XS, S, M, L) | Charging Case | USB-C Cable | Guide & Safety Guide