Arc Ultra

Featuring breakthrough Sound Motion™ technology for a more expansive soundstage, Arc Ultra brings your entertainment to life like no other soundbar.

Specifications and Features:

• Dimensions: 3.4″ H × 45.1″ W × 4.3″ D

• Weight: 13.8 lb (6.27 kg)

• Finish: Matte

Audio System

• 19 Neodymium™ drivers including:

  • Center speaker for dialogue clarity

  • Up-firing drivers for immersive height effects

  • Side-firing drivers for wide stereo sound

• Dolby Atmos, Dolby Digital, and Dolby Digital Plus decoding

Sound & Tuning

• Trueplay tuning for room-adaptive sound optimization

• Adjustable bass, treble, and loudness via Sonos app

• Dialogue Enhancement mode for clear speech

• Night Sound mode for balanced playback at low volume

Connectivity

• HDMI eARC for high-bandwidth audio from TV

• Optical audio input via included adapter

• Dual-band Wi-Fi (2.4 GHz / 5 GHz)

• AirPlay 2 support for seamless Apple streaming

• Ethernet port for wired network connection

Smart Features & Control

• Voice control via Sonos Voice Control and Amazon Alexa

• Supports Google Assistant via separate device

• Touch controls for volume, playback, and mic mute

• Works with TV remote, Sonos app, and voice commands

Performance & Integration

• Ideal for home theater setups in medium to large rooms

• Compatible with Sonos Gen 2 Sub and Sonos Era 100/300 for full surround

• Auto power on/off and low-energy standby mode

• Wall-mountable with included hardware