Denon AH-C840NCW Noise Cancelling Wireless Earbuds


Product Details:


Audio

  • True wireless in-ear earbuds

  • Adaptive Hybrid Active Noise Cancellation (ANC) for reducing external noise

  • Transparency / Ambient mode to hear surroundings when needed

  • Balanced tuning with Denon audio signature

  • Supported Bluetooth audio codecs: AAC, SBC, LC3 (LE Audio)

Bluetooth & Connectivity

  • Bluetooth 5.3

  • Bluetooth LE Audio (Low Energy Audio) support

  • Auracast-ready wireless audio broadcast support

  • Multipoint connectivity (pair to two devices simultaneously)

Battery & Charging

  • Approx 10 hours playback per charge with ANC off

  • Approx 7 hours playback per charge with ANC on

  • Up to 35 hours total with charging case (ANC off)

  • Fast charge: ~5 minutes ≈ ~1 hour playback

  • USB-C charging on case

  • Wireless (Qi) charging supported

Microphones & Calls

  • Dual microphones per earbud

  • Improved voice pickup and background noise reduction during calls

Controls

  • Touch controls on each earbud

  • Allows playback control, call handling, and ANC/ambient mode switching

Comfort & Fit

  • True in-ear design with multiple silicone ear-tip sizes

  • Comfortable and secure fit for prolonged listening

Durability

  • IPX4 water and sweat resistant (suitable for workouts and light rain)

Size & Weight

  • Earbud weight: approx 5 g each

  • Charging case weight: approx 44 g

Extra Features

  • Compatible with Denon Headphones app for EQ and settings customization

  • Denon audio tuning options via app




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