Wireless Smart Speaker Powered by HEOS With Dolby Atmos Music

The Denon Home 400 wireless smart speaker delivers Dolby Atmos Music, enveloping you in rich, expansive sound that reveals every nuance. Built-in dual height speakers add a lifelike vertical dimension for a more immersive soundstage, while HEOS makes setup and streaming simple. Crafted with an elevated design aesthetic, the Denon Home 400 is the ultimate expression of performance and style.

• Standalone stereo speaker
• Dolby Atmos Music
• Six-driver array with height speakers
• Bluetooth, Wi-Fi, AirPlay 2
• Powered by HEOS
• Expandable system

Extraordinary sound in every room

The Denon Home 400 wireless smart speaker delivers Dolby Atmos Music, enveloping you in rich, expansive sound that reveals every nuance. Built-in dual height speakers add a lifelike vertical dimension for a more immersive soundstage, while HEOS makes setup and streaming simple. Crafted with an elevated design aesthetic, the Denon Home 400 is the ultimate expression of performance and style.

Immersive listening, seamless simplicity

Easy setup, instant enjoyment

Whether you’re cueing up your morning playlist or setting the mood for dinner, Denon Home makes great sound effortless. Denon Home wireless smart speakers connect instantly, letting you stream from your favorite services or through the HEOS app.

Hear the Denon difference

Each Denon Home product is precisely tuned in Japan by the Denon Sound Master. The result is full, detailed sound that fills your space and makes every song feel more alive and engaging.

Style that elevates your space

Designed to complement any space and engineered for extraordinary sound, Denon Home looks as good as it sounds.

Denon Home 400

Premium sound with wireless flexibility

Enjoy balanced, detailed sound with clear highs and full bass, delivered by a custom-engineered six-speaker array.

Connect and control everything

Powered by HEOS™

HEOS is the heart of the Denon ecosystem, uniting your music and devices in one easy-to-use app. Set-up takes minutes, and control is effortless — stream from your favourite services, adjust sound or add speakers when you’re ready.

Pair speakers for bigger sound

Stereo pairing

Each Denon Home speaker delivers stereo and Dolby Atmos Music on its own — but pairing two speakers creates an even wider and more immersive listening experience.

Start with one, expand anywhere

A system that grows with you

Group speakers or create zones for flexible listening throughout your home. Play a different song in every room or create a seamless whole-home soundtrack.

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.

Details & Specifications

Features

• Dolby Atmos PlaybackYes
• High Resolution Audio SupportYes
• Stereo PairingYes
• Use as wireless surround speakers for Denon Home Sound Bar 550Yes
• Supports Subwoofer Powered by HEOSYes
• Bass and Treble ControlYes
• Width ControlYes
• Height ControlYes
• MicrophoneYes
• Works with SiriYes

General

• Power Supply (Built-In)AC 100 – 240 V, 50/60 Hz
• Dimensions (W × D × H)300 × 150 × 219 mm
  11.8 × 5.9 × 8.6 in.
• Weight4.2 kg / 9.26 lbs
• ConstructionMulti-Channel
• Built-in Class-D Power Amplifiers6
• Drivers6
• Tweeter2× 19 mm / 0.75 in.
• Upfiring2× 25 mm / 0.95 in.
• Woofer2× 114 mm / 4.5 in.

Technical Information

• Microphone On/offYes
• Quick Select Buttons3
• Volume (+/-)Yes
• Play/PauseYes
• Action Button (O)Activate enabled voice assistant
• Powered by HEOSYes
• Wi-Fi2.4 GHz, 5 GHz, 6GHz; IEEE 802.11a/b/g/n/ac/ax
• AirPlay 2Yes
• BluetoothYes
• USB-C port for direct connection of stored music or ethernet adapterYes
• 3.5 mm AUX InputYes