Sonos Unveils Arc Ultra Soundbar and Sub 4: Premium Wireless Home Cinema

Sonos has launched the Arc Ultra, a premium soundbar. It debuts the company's new Sound Motion transducer technology. This innovation reduces the transducer size and boosts bass to create powerful sound from a more compact form. The Arc Ultra has up to twice the bass output of its predecessor, it offers a 9.1.4 spatial audio in a stylish design.

Designed to integrate smoothly into modern living spaces, the Arc Ultra follows the minimalist aesthetic typical of most Sonos hardware. Its micro-perforated wrap-around grille allows sound to emit in every direction, thus creating an immersive listening experience.

Along with the Arc Ultra, Sonos introduced the Sub 4, the latest version of its iconic subwoofer. The Sub 4 is an updated design featuring internal enhancements for deeper, more powerful bass. "We've always aimed to revolutionize home audio with products that are both aesthetically pleasing and high-performing," said Patrick Spence, CEO of Sonos. "Sound Motion™ breaks new ground by delivering extraordinary sound from a smaller footprint. The Arc Ultra is a reimagined soundbar that leverages this technology to offer an unparalleled listening experience."

Arc Ultra: A New Standard
The Arc Ultra is built with 14 custom-engineered drivers, including the Sound Motion woofer and tweeters equipped with waveguides. This configuration offers a 9.1.4 spatial audio experience that immerses listeners in their content. Trueplay tuning technology—now available for both iOS and Android—optimizes sound for any room.

An enhanced center channel design maximizes vocal clarity, making dialogue easier to follow. Users can also adjust dialogue levels with the new Advanced Speech Enhancement feature in the Sonos app.

Setup is straightforward with an HDMI eARC connection. Control options include the TV remote, the Sonos app, Sonos Voice Control, or Amazon Alexa. Touch controls are discreetly placed on a ledge behind the soundbar to minimize distractions. Bluetooth line-in offers additional streaming flexibility.

Sonos emphasizes its dedication to sustainability with the Arc Ultra, which uses fewer adhesives and more screws, making it easier to service. The device incorporates halogen-free PCB materials and reduces silicon content. Additionally, its packaging is 18% smaller in volume, fully recyclable, and designed to enhance shipping efficiency.

Sub 4: Enhanced Bass Performance
Dual custom woofers generate deep, dynamic low frequencies without buzz or rattle, thanks to a force-canceling design that neutralizes distortion.

Internally, the Sub 4 boasts increased processing power, memory, and upgraded Wi-Fi for reliable wireless connectivity. The design maintains the sculptural shape of its predecessor with an updated matte finish. Sustainability efforts have led to reduced material use and nearly 50% lower idle power consumption.

When paired with the Arc Ultra, Arc, or Beam soundbars, the Sub 4 enhances the audio experience with deeper lows. Users can also pair two subwoofers for maximum bass impact. The Sub 4 also works with previous generations of the Sonos Sub.

Sonos App Updates
Coinciding with the product launches, Sonos is updating its app to improve performance and reintroduce legacy features. The update aims to surpass the previous app in key metrics like system identification, device setup, and grouping. For existing customers, 90% of missing features will return, with more enhancements planned.

"We've worked diligently to address critical app issues and bring back the most requested features," said Spence. "We are committed to making the Sonos experience better than ever."

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