Denon AH-C840NCW Black
True wireless earbuds with active noise cancellation
The AH-C840NCW brings Denon’s legendary high-performance sound to sleek, sweatproof earbuds for dynamic lifestyles. Active noise cancellation, seamless connectivity, and up to 35 hours of total battery time* mean effortless listening anywhere life takes you.
• Active noise cancelling
• Up to 35 hours of listening*
• Premium drivers adapted from flagship headphones
• IPX4-rated water protection
• Bluetooth LE Audio and Auracast ready
• Dual microphones for crystal clear calls
Audio & ANC
Noise Cancelling: Adaptive Hybrid Noise Cancelling
Transparency Mode: Yes
Driver Size: 12 mm
Driver Type: Free-Edge bio cellulose
Adjustable EQ: Yes
Bluetooth
Quick Pair: Google Fast Pair, Windows Swift Pair
Bluetooth Version: 5.3
Bluetooth Codecs: AAC, SBC, LC3
Auracast: Yes
Multipoint: Yes
Battery & Charging
Battery Life–Buds: 10 hours (ANC off);7 hours (ANC On)*
Battery Life with Case: 35 hours (ANC off); 24 hours (ANC On)**
Charging Cable Type: USB-C to USB-C
Wireless Charging (Case): Yes
Quick Charge: 5 min for 1 hr playback
Case Charge Time: 2 hr
Voice Calls
Number of Microphones: 2
Comfort & Fit
Tips: S, LONG S, M, L
Controls
Touch Controls: Yes, customizable
App: Yes, Denon Headphones App
General
Colors Available: Black, White
Water Resistance: IPX4
Earbud Dimensions, mm: 35.0 × 21.3 × 25.4
Earbud Weight, g: 5.1 g
Case Dimensions, mm: 58 × 48 × 288 mm
Case Weight, g: 54 g
