Devialet is a French acoustics engineering company founded in 2007 by engineer Pierre-Emmanuel Calmel, entrepreneur Quentin Sannie, and designer Emmanuel Nardin in Paris. The company is known for developing patented amplification and sound processing technologies, most notably its Analog Digital Hybrid (ADH) amplification, which combines the warmth of analog Class A amplification with the power and efficiency of digital Class D technology in a single system.

Devialet's flagship product is the Phantom, a wireless speaker introduced in 2015 that delivers high-fidelity sound from a compact, sculptural enclosure. The Phantom range includes the Phantom I and Phantom II models in various configurations, featuring the brand's proprietary Speaker Active Matching (SAM) technology, which optimizes speaker driver performance in real time. The Phantom's distinctive spherical design, developed by the brand's in-house team, has won multiple design awards and is held in the permanent collection of several design museums.

Beyond wireless speakers, Devialet produces the Expert Pro amplifier, a high-end integrated amplifier and streaming device designed for dedicated audio systems. The company holds over 160 patents related to acoustic engineering, signal processing, and amplifier design.

Devialet has established partnerships with several luxury and hospitality brands, providing custom audio installations for venues, hotels, and retail spaces. The company also entered a technology licensing partnership with a major consumer electronics manufacturer. Devialet products are sold through the brand's own boutiques in Paris, New York, London, Hong Kong, and other cities, as well as through select luxury retailers, premium electronics dealers, and its e-commerce platform. The company has received investment from notable backers including Foxconn, Jay-Z, and several venture capital firms.

Luxury Electronics

Devialet is a French acoustics engineering company producing premium wireless speakers and high-end amplifiers built on patented Analog Digital Hybrid (ADH) technology. The Phantom speaker range delivers high-fidelity sound from sculptural enclosures and has won multiple design awards. The Expert Pro amplifier serves dedicated audiophile systems. The company holds over 160 patents and operates boutiques in Paris, New York, London, and Hong Kong.

Luxury Home Technology

Devialet provides premium audio solutions for luxury homes through its Phantom wireless speaker system and Expert Pro amplifiers. The brand's Speaker Active Matching (SAM) technology optimizes sound performance in real time. Devialet also designs custom audio installations for high-end residential spaces, hospitality venues, and luxury retail environments.