The Sonos Arc Ultra Smart Soundbar redefines cinematic audio with advanced Dolby Atmos surround sound and proprietary Sound Motion™ bass technology, delivering a 9.1.4 spatial audio experience that fills your space with rich, multidimensional sound. Designed for home theater enthusiasts, the Arc Ultra ensures deeper bass, clearer dialogue, and precise acoustic positioning. Whether streaming your favorite shows or enjoying music from all major platforms, this soundbar offers unmatched versatility with built-in WiFi, Bluetooth 5.3, Apple AirPlay 2, and hands-free voice control.

A refined design with a matte finish and low profile ensures that the Arc Ultra seamlessly blends into your home. Fast and intuitive setup is enabled through HDMI eARC, while capacitive touch controls provide effortless daily interaction. Sound personalization is made easy with features like Speech Enhancement, Night Sound, and Trueplay™ Tuning, ensuring your entertainment is optimized for every moment. When paired with the Sonos Sub and Era 300 speakers, the Arc Ultra becomes the centerpiece of a complete Dolby Atmos surround system.

Key Features:

• Dolby Atmos 9.1.4 Spatial Audio:
  Multi-directional audio surrounds the listener with exceptional realism using upward-firing tweeters and dedicated channels, offering theater-quality immersion.

• Sound Motion™ Bass Technology:
  An innovative dual-membrane woofer system delivers powerful, punchy bass in a compact, flat design—freeing space for midrange and tweeter drivers to produce expansive sound.

• Speech Enhancement & Night Sound Modes:
  Dialogue clarity can be adjusted for different content types and listener needs, while loud effects are balanced in Night Sound mode to avoid disruptions.

• Trueplay™ Room Calibration:
  This automatic room-tuning software adapts the soundbar’s output to the unique acoustics of your space for optimal performance on both iOS and Android.

• Flexible Connectivity:
  HDMI eARC, Bluetooth 5.3, WiFi 6, and Apple AirPlay 2 compatibility allow easy pairing with modern TVs, smartphones, and smart home systems.

• Voice Control & App Integration:
  Compatible with Sonos Voice Control and Amazon Alexa, with capacitive touch controls and Sonos app for fine-tuned command and customization.

• Expandable Surround Setup:
  Pairs effortlessly with Sonos Sub and Era 300 speakers for a full home theater system, or swap to Sonos Ace headphones for private listening via TV Audio Swap.

Specifications:

• Audio Components:

  • 15x Class-D amplifiers

  • 7x silk-dome tweeters (2 upward-firing)

  • 6x midwoofers

  • 1x Sound Motion™ woofer (4-motor, dual-membrane)

• Microphones:

  • Far-field array with beamforming & echo cancellation

  • Mic switch for manual deactivation

• Sound Modes & Features:

  • Adjustable EQ (via Sonos app)

  • Speech Enhancement

  • Night Sound

  • Trueplay™ tuning

• Supported Audio Formats:

  • Stereo PCM, Dolby Digital, Dolby Digital Plus

  • Dolby Atmos (including TrueHD), DTS Digital Surround

  • Multichannel PCM

• Connectivity:

  • HDMI eARC (HDMI cable included)

  • Bluetooth 5.3

  • WiFi 6 (802.11a/b/g/n/ac/ax)

  • Apple AirPlay 2

  • Optional Optical adapter

• Voice & App Control:

  • Sonos Voice Control, Amazon Alexa

  • Sonos app, TV remote, capacitive touch controls

• TV Compatibility:

  • Not compatible with CCFL-backlit TVs (2004–2012)

• Physical Details:

  • Dimensions: 75 mm (H) × 1178 mm (W) × 110.6 mm (D)

  • Weight: 5.9 kg

  • Colors: Black, White

  • Finish: Matte

  • Mounting: M5 x 0.8mm thread pitch L6.5mm

• In the Box:

  • Arc Ultra Soundbar

  • Power Cable I (2 m)

  • HDMI Cable (1.5 m)

  • Quickstart Guide + Warranty Info

• Power & Processing:

  • Voltage: 100–240V, 50/60Hz

  • CPU: Quad Core 4xA55 1.9GHz

  • Memory: 2GB SDRAM / 8GB NV

• Indicators:

  • LEDs for connection, mute status, mic activity, and errors

Conclusion:
Crafted to deliver high-fidelity home theater sound, the Sonos Arc Ultra offers premium audio performance in a sleek, future-ready package. Enhanced with cutting-edge features like Dolby Atmos, Sound Motion™ bass, and voice-enabled controls, it has been purpose-built for immersive entertainment and effortless connectivity. Designed to fit into any modern home, it provides flexibility, expandability, and intelligent sound tuning—making it a standout choice for discerning audio enthusiasts.