Description
Denon AH-C840NCW ANC True Wireless Earbuds
The Denon AH-C840NCW ANC True Wireless Earbuds bring 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.
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Features
- 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
True wireless earbuds with ANC
Tune out distractions with adaptive active noise cancellation or choose Transparency mode to stay aware of your surroundings.
- Up to 35 hours of listening* – Enjoy 10 hours of playback on a single charge with ANC off, or 7 hours with ANC on*. The case charges the earbuds on-the-go for additional listening time*.
- Dual microphones for clear voice calls – Two strategically placed microphones in each earbud focus on your voice while minimizing background noise so both callers experience crystal-clear, distraction-free sound.
- IPX4-rated water protection – Whether you’re powering through a workout or dashing through a downpour, your earbuds stay in place and keep performing. They’re built tough with IPX4-rated protection to resist sweat and splashes, keeping up with your every move.
- Bluetooth LE Audio and Auracast ready – State-of-the-art Bluetooth technology provides superior audio and power performance and seamless sharing.
- Five-minute quick charge and wireless charging – Power up fast and keep momentum going with 5 minutes of charging to fuel an hour of continuous listening. Wireless charging lets you charge without the clutter.
- Denon Headphones app – Unlock the full potential of your experience with the Denon Headphones app. Adjust sound settings and enjoy automatic updates for the best performance.
Unrivaled sound, all-day focus
These sleek, sweatproof earbuds with active noise cancellation provide unparalleled audio anywhere life takes you.
Stay focused, stay connected
- Quiet your world, sharpen your focus – With adaptive active noise cancelling, whether you’re focusing on work, a workout, or just diving into your favorite playlist, stay connected with the right balance of sound isolation and ambient awareness.
- All-day listening for life on the go – With 10 hours of playback on a single charge* with ANC off, 7 hours with ANC on, and 5-minute quick charging, you’ll never have to worry about your playlist dropping out mid-workout or drained earbuds during an important call. And with IPX4-rated sweat and splash protection, the beat goes on, no matter where your adventures take you.
- Feel the comfort, hear the difference – You don’t have to sacrifice comfort for great sound on the go. Reveal the detail in your favorite songs with high-performance earbuds with a fit that’s so comfortable you’ll forget they’re there.
Sonic Innovation For the Past 110 Years
For more than a century, we’ve crafted cutting-edge audio products that deliver the ultimate detail. Our Japanese heritage inspires us, and each product is hand-tuned by our sound master. Prepare to hear sound differently.
FAQ’s
- What makes the Denon AH-C840NCW earbuds stand out? The Denon AH-C840NCW ANC True Wireless Earbuds deliver premium hi-fi sound, active noise cancellation, and Bluetooth 5.3 connectivity for an exceptional wireless listening experience.
- How long does the battery last on the Denon AH-C840NCW? Enjoy up to approx. 10 hours of playback per charge and up to 35 hours total with the charging case, keeping your music going all day.
- Are the Denon AH-C840NCW earbuds water-resistant? Yes, these earbuds are rated IPX4, making them resistant to sweat and light rain—ideal for workouts or daily commutes.
- Do the Denon AH-C840NCW support voice assistants? Absolutely. The AH-C840NCW earbuds work seamlessly with Google Assistant and Siri, allowing effortless hands-free control of music, calls, and more.
- Can I customize sound and controls on the Denon AH-C840NCW? Yes, through the Denon Headphones App, you can personalize EQ settings, manage ANC modes, and customize touch controls for a tailored audio experience.
Specifications
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)*
- *Testing performed by Denon in January 2025 using a production AH-C840NCW unit and software paired with a smartphone. Playback track was a stereo AAC-encoded file. Volume was set to 50% with active noise cancellation disabled, and then tested again at the same volume level with active noise cancellation enabled. Actual battery life varies based on device settings, environment, usage, and additional factors.
- Battery Life with Case: 35 hours (ANC off); 24 hours (ANC On)**
- **Testing performed by Denon in January 2025 using a production AH-C840NCW unit and software paired with a smartphone. Playback track was a stereo AAC-encoded file. Volume was set to 50% with active noise cancellation disabled, and then tested again at the same volume level with active noise cancellation enabled. Actual battery life varies based on device settings, environment, usage, and additional factors.
- 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
- 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
