The Denon Home Sound Bar 550 is a compact smart sound bar measuring just 26 inches wide, built to deliver Dolby Atmos and DTS:X processing alongside full HEOS multi-room streaming in a single, tidy unit. Six active drivers, two 19mm soft dome tweeters, four 55mm full-range drivers, and three 50x90mm passive radiators work together to produce a sound stage that extends well beyond what the cabinet dimensions suggest. All of this is hand-tuned by Denon's Sound Master team to carry the same sonic character found across the wider Denon lineup.
The 550 is designed to sit at the centre of a Denon Home ecosystem. Pair it with Denon Home 150, 250, or 350 wireless speakers to create rear channels, or add the Denon Home Subwoofer for deeper bass, all managed wirelessly through the HEOS app. Two HDMI connections, one input with 4K HDR pass-through and one eARC output, mean it handles both source devices and TV audio from a single cable. Amazon Alexa is built in, Google Assistant and Apple Siri are supported via AirPlay 2, and a proximity-sensing touch panel on the top surface lights up when your hand approaches for quick physical control. For music, HEOS gives access to Spotify, Amazon Music, Tidal, Deezer, Qobuz, TuneIn, and more over Wi-Fi.
Key Features
- Dolby Atmos and DTS:X virtual 3D audio processing
- 6 active drivers: 2 tweeters, 4 full-range, 3 passive radiators
- HDMI input (4K HDR pass-through) and HDMI eARC output
- HEOS built-in for multi-room streaming
- AirPlay 2, Bluetooth, Spotify Connect, Qobuz
- Amazon Alexa built-in; Google Assistant and Siri compatible
- Pairs wirelessly with Denon Home speakers and subwoofer
- Optical, 3.5mm analogue, and USB inputs
- Proximity-sensing touch control panel on top
- Hi-res audio to 192kHz/24-bit; DSD 2.8 and 5.6MHz
- Wall-mountable; compact 26" footprint
Warranty:
1-year manufacturer's warranty
Why Consider the Denon Home Sound Bar 550
The Home Sound Bar 550 is a practical choice for anyone who wants to improve TV audio meaningfully while also having access to a capable whole-home streaming platform. The dual HDMI arrangement gives it more flexibility than most soundbars at this size, since you can connect a source device directly rather than routing everything through the TV. Dolby Atmos and DTS:X are handled via DSP rather than upward-firing speakers, so the soundstage relies on processing, but reviewers consistently note that it achieves genuine width and height for a compact bar. The real advantage is the HEOS ecosystem: the 550 integrates cleanly with other Denon Home speakers and the Denon Home Subwoofer, so it can grow from a simple stereo bar into a wireless surround system over time without replacing the soundbar itself.
Ideal for
- Living rooms and bedrooms where a large soundbar would look out of proportion
- TV audio upgrades that also need to work as a multi-room HEOS streaming hub
- Those planning to add Denon Home wireless speakers or a subwoofer later
- Alexa users who want voice control built into the soundbar itself
- Wall-mounted TV setups where a compact, mountable bar is preferred
- Listeners who want hi-res music streaming alongside home cinema capability
What's in the Box
- Denon Home Sound Bar 550
- IR Remote Control (with batteries)
- HDMI Cable
- Optical Cable
- Wall Mount Template
- Quick Start Guide
Technical Specifications
| Specification |
Detail |
| Drivers |
| Tweeters |
2 x 19mm soft dome |
| Full-Range Drivers |
4 x 55mm |
| Passive Radiators |
3 x 50x90mm |
| Amplifier Channels |
4-channel |
| Audio Formats |
| Dolby |
Dolby Atmos, Dolby TrueHD, Dolby Digital, Dolby Surround |
| DTS |
DTS:X, DTS HD Master Audio, DTS Neural:X, DTS Virtual:X |
| Hi-Res Audio |
FLAC, ALAC, WAV up to 192kHz/24-bit; DSD 2.8MHz and 5.6MHz |
| Inputs and Outputs |
| HDMI Input |
1 x HDMI (4K Ultra HD / HDR pass-through) |
| HDMI Output |
1 x HDMI eARC |
| Digital Optical Input |
1 x TOSLINK |
| Analogue Input |
1 x 3.5mm stereo |
| USB |
1 x USB-A (local storage playback) |
| Ethernet |
Yes |
| Video |
| 4K Pass-Through |
Yes |
| HDR Support |
HDR10, Dolby Vision, HLG |
| Network and Streaming |
| Wi-Fi |
Dual-band 2.4GHz (802.11b/g/n) and 5GHz (802.11a/n/ac) |
| Bluetooth |
Yes |
| HEOS Built-In |
Yes (multi-room) |
| AirPlay 2 |
Yes |
| Spotify Connect |
Yes |
| Music Services |
Spotify, Amazon Music, Tidal, Deezer, Qobuz, TuneIn, Pandora, iHeartRadio, SiriusXM, SoundCloud and others (subject to regional availability) |
| Voice Control |
| Amazon Alexa |
Built-in (onboard microphones) |
| Google Assistant |
Compatible |
| Apple Siri |
Compatible (via AirPlay 2) |
| Wireless Ecosystem |
| Compatible Wireless Speakers |
Denon Home 150, Home 250, Home 350 (as rear channels) |
| Compatible Subwoofer |
Denon Home Subwoofer |
| Control |
| Remote Control |
IR remote included |
| App Control |
HEOS app (iOS and Android) |
| Touch Control |
Proximity-sensing panel (top); volume, play/pause, Alexa mute, skip |
| Sound Modes |
Movie, Music, Night Mode, Dialogue Enhancer, Dolby Surround, DTS Virtual:X, Pure |
| General |
| Dimensions (W x H x D) |
659 x 75 x 120mm (25.95" x 2.95" x 4.72") |
| Weight |
3.3kg (7.3 lbs) |
| Wall Mountable |
Yes (template included) |
| Available Finish |
Black |