The world of home sound has taken a giant leap with the latest releases of Sonos, which has just introduced its most advanced sound bar to date: the Sonos Arc Ultra, along with the renewed Under 4These devices are designed to create an unprecedented audio experience in homes, especially with the integration of transducer technology. Sound Motion, which promises to improve the quality of both bass and the overall surround sound experience.
Arc Ultra: Sonos's sonic jewel

La Sonos Arc Ultra It is presented as an improved evolution of the original Arc sound bar. With its new technology Sound Motion, Sonos has taken a step forward in sound engineering. This innovation achieves an optimization of the transducers, reducing their size without losing power in the bass. What's more, the bass has been increased, since doubles the power compared to its predecessor.
This device is equipped with 14 speakers, organized in a unique system that includes seven tweeters, six midwoofers and an integrated woofer that employs Sound Motion technology. This configuration allows the Arc Ultra to deliver immersive sound 9.1.4 Dolby Atmos compatible, something that is very rare in a sound bar without the need for additional speakers, making it a very interesting solution for all types of living rooms.
Furthermore, the Arc Ultra offers the possibility of perfecting the sound experience thanks to technology true play, which adjusts the sound based on the acoustics and characteristics of the location. As a novelty, for the first time Android users will also be able to enjoy this feature.
Easy setup and elegant design
Despite its advanced technology, Sonos has designed the Arc Ultra to be as easy to set up and operate as the previous model. All you need is a port HDMI and ARC To connect the bar to the TV, use the TV remote control to operate it or use the app directly Sonos. Also, you can use voice commands through Alexa or Sonos Voice Control to control the device, and it also has Bluetooth (one of the great new features), which allows playback from different devices, something that was not in the original Sonos Arc and that many users demanded.
The design of the bar follows Sonos' minimalist approach, with a curved profile and matte finish, available in both white as in black. Plus, its wraparound grille ensures that sound travels in all directions, creating an even more immersive experience.
Sub 4: Deeper bass for a complete experience

El Under 4 perfectly complements the bar Arc Ultra, contributing Powerful and deep bass that enhance the home cinema experience. Its design has been refined, with a new matte finish also available in black or white, and it can be placed standing, lying down or even hidden under a piece of furniture, as its profile is more adaptable.
El Under 4 is equipped with two woofers facing each other that generate intense bass frequencies and, best of all, without distortion thanks to its force-cancelling technology. In addition, the Sub 4 not only improves the listening experience in movies, but also offers excellent performance for music, especially in larger spaces.
As if that weren't enough, Sonos has improved the connectivity of the Sub 4 by adding increased processing power and new Wi-Fi technology to ensure constant connectivity throughout the home. Plus, you can sync two subwoofers for an even richer sound experience with twice the bass – although be warned, you’ll need a generous budget for that.
Sonos App Improvements
Sonos has made it clear that it is not only looking to innovate in hardware, but also in software. Along with these releases, they have improved their aplicación móvil, which now allows for easier setup and offers new features that optimize the user experience. As part of the update, the 90% of missing features in the previous application, something that has been a cause of complaints in the past.
In addition, integration with other Sonos devices remains one of the strong points, as both the Arc Ultra such as Under 4 are compatible with popular auriculares Sonos Ace, allowing you to enjoy a high-level private experience if at any time you cannot use the full speaker system or simply do not want to disturb the rest of the house.
Official price

Both products also have broad compatibility with other Sonos devices, including sound bars. Arc y Beam original, as well as other speakers in the ecosystem. If you already have a Sonos system in your home, the Arc Ultra and the Under 4 They will integrate perfectly, allowing a personalized and immersive sound experience, offering the manufacturer a pack of two Era 300 speakers, a Sub 4 subwoofer and the Arc Ultra soundbar to enjoy the full experience.
Both products will be available from October 29, with a price of 999 Euros for the Arc Ultra and 899 Euros for the Sub 4 subwoofer, while the set of two Era 300 speakers and the star pair goes up to 2.896 euros.