Denon Home Sound Bar 550 (SB-550E2) – Compact Dolby Atmos & DTS:X Smart Soundbar with HEOS® Built-in The Denon Home Sound Bar 550 is a compact premium smart soundbar designed to upgrade television, movie and music playback without requiring a large speaker system. It combines Dolby Atmos® and DTS:X® immersive audio processing with a six-driver acoustic system, three passive radiators, four-channel amplification and Denon's sound tuning. HEOS® Built-in, Wi-Fi, Bluetooth and AirPlay 2 provide extensive wireless music streaming, while HDMI eARC, a 4K-capable HDMI input, optical digital, AUX, USB and Ethernet connections make it easy to integrate into a modern entertainment system. Key Features Dolby Atmos®: Supports immersive Dolby Atmos soundtracks for a more spacious and three-dimensional home cinema experience. DTS:X®: Supports object-based DTS:X audio for compatible movies and entertainment content. Compact 26-Inch Design: Delivers powerful television and music sound from a cabinet approximately 660mm wide. Six Active Drivers: Uses two 19mm soft-dome tweeters and four 55mm full-range drivers for detailed high frequencies, dialogue and dynamic playback. Three Passive Radiators: Three 50 × 90mm passive radiators reinforce low-frequency performance without requiring a large enclosure. Four-Channel Amplification: Integrated amplification is matched to the internal driver system for a complete self-powered design. HDMI eARC: Connects to a compatible television through a single HDMI cable and supports high-quality formats including Dolby TrueHD, DTS-HD Master Audio and Dolby Atmos. 4K HDMI Pass-Through: One HDMI input allows a compatible 4K source device to connect through the soundbar to the television. HEOS® Built-in: Provides network music streaming and multi-room playback with compatible Denon Home and HEOS Built-in products. Wi-Fi & Ethernet: Supports both wireless dual-band networking and wired network connectivity. Bluetooth: Allows direct wireless audio playback from compatible smartphones, tablets and computers. AirPlay 2: Supports wireless playback and compatible Apple multi-room audio systems. Alexa Built-in: Provides compatible Amazon Alexa voice-control functionality. Siri Compatibility: AirPlay 2 integration enables compatible Siri-based control from Apple devices. Wireless Surround Expansion: Compatible Denon Home speakers can be added wirelessly as surround speakers. Denon Home Subwoofer Compatible: A compatible Denon Home Subwoofer can be added wirelessly for deeper low-frequency reproduction. Proximity Control Panel: The top controls illuminate when a hand approaches for convenient operation. Dialogue Enhancer: Provides adjustable dialogue and vocal emphasis for clearer speech. Night Mode: Reduces dynamic-range differences for more comfortable low-volume listening. Wall Mountable: Integrated mounting provisions allow the soundbar to be installed beneath a wall-mounted television. Acoustic Design Product Type Powered Smart Soundbar Active Drivers 6 Tweeters 2 × 19mm Full-Range Drivers 4 × 55mm Passive Radiators 3 × 50 × 90mm Power Amplifier 4-Channel Built-in Amplification External Subwoofer Required No – Optional Denon Home Subwoofer Can Be Added Wireless Surround Expansion Yes – Compatible Denon Home Speakers Surround & Cinema Audio Dolby Atmos® Yes Dolby TrueHD Yes – Via Compatible eARC Connection Dolby Digital Plus Yes Dolby Digital Yes DTS:X® Yes DTS-HD Master Audio Supported via Compatible HDMI/eARC Source Immersive Audio Processing Dolby Atmos / DTS:X Dialogue Enhancement Yes Night Mode Yes Movie Playback Yes Music Playback Yes HDMI & TV Connectivity HDMI Inputs 1 HDMI Outputs 1 HDMI Output Function eARC / ARC 4K HDMI Pass-Through Yes eARC Yes ARC Yes Optical Digital Input 1 Analogue AUX Input 1 × 3.5mm Stereo Maximum Analogue Input 2Vrms TV Remote Operation Supported Network & Wireless Connectivity HEOS® Built-in Yes Wi-Fi Yes – Dual Band Wi-Fi Standards IEEE 802.11a/b/g/n/ac Wi-Fi Frequency Bands 2.4GHz / 5GHz Ethernet Yes – RJ-45 Bluetooth Yes Bluetooth Profiles A2DP / AVRCP Bluetooth Audio Codec SBC Bluetooth Frequency Response 20Hz – 20kHz AirPlay 2 Yes Network Multi-Room Yes – HEOS® Music Streaming Spotify Supported via HEOS Amazon Music Supported via HEOS TIDAL Supported via HEOS Deezer Supported via HEOS TuneIn Internet Radio Supported Qobuz Supported AirPlay 2 Streaming Yes Bluetooth Streaming Yes Network Music Playback Yes High-Resolution Music Supported USB & Additional Connections USB Port Yes USB Storage Playback Yes Network Port 1 × Ethernet Optical Input 1 3.5mm AUX Input 1 HDMI Input 1 HDMI eARC / ARC Output 1 Voice & App Control Amazon Alexa Alexa Built-in Apple Siri Compatible via AirPlay 2 Google Assistant Control via Compatible Google Assistant Devices HEOS App Yes Remote Control Included TV Remote Learning / Control Supported Top Control Panel Proximity-Activated Volume Controls Yes Play / Pause Yes Alexa Microphone Mute Yes Expandable Home Cinema Wireless Surround Speakers Supported with Compatible Denon Home Speakers Wireless Subwoofer Compatible with Denon Home Subwoofer HEOS Multi-Room Expansion Yes Stereo / Multi-Room Music Integration Yes Standalone Operation Yes Physical Specifications Dimensions (W × H × D) Approximately 650 × 75 × 120mm Official Imperial Dimensions 25.95 × 2.95 × 4.72 inches Weight Approximately 3.5kg Installation Tabletop / Wall Mount Wall Mount Provision Yes Finish Black Power Specifications Power Supply AC 100–240V, 50/60Hz – Europe Model Power Consumption 50W Deep Standby Power Consumption 0.4W Operating Temperature 5°C – 35°C What's in the Box Soundbar Denon Home Sound Bar 550 × 1 Remote Control Included with Batteries HDMI Cable Included Optical Cable Included Quick Start Guide Included Wall Mount Template Included System Integration The Denon Home Sound Bar 550 can operate as a compact standalone television sound system or form the centre of an expandable wireless Denon Home cinema setup. A compatible television can connect through HDMI eARC/ARC, while an additional 4K HDMI source can connect directly to the soundbar. Optical and 3.5mm analogue inputs provide alternatives for other televisions and source equipment. Compatible Denon Home speakers can be configured as wireless surrounds, and a Denon Home Subwoofer can be added for deeper bass. HEOS® Built-in also allows the soundbar to operate as part of a whole-home multi-room music system.