Classé Audio was founded in 1979 by Mike Viglas (a Greek immigrant to Montreal) and David Reich (a talented engineer) after Viglas's expensive tube amplifier failed during a party. The company introduced their first amplifier, the DR-2, in 1980 - a 25W stereo amplifier operating in class A that inspired the company name. Classé specializes in high-end audio amplification including amplifiers, pre-amplifier processors, and integrated amplifiers for audiophiles, musicians, and recording professionals. Originally part of Bowers & Wilkins Group from 2001, Classé was acquired by Sound United in January 2018 and now operates alongside brands like Denon, Marantz, and Polk Audio.
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Denon, Marantz, and Classé have rebranded their wireless audio technology platform as "Powered by HEOS," emphasizing its enhanced multi-room audio capabilities and user-friendly design.
HEOS has expanded significantly since its launch in 2014, now supporting over 5 million devices with features like hi-res streaming, Roon Ready certification, and multi-zone audio configurations.
Recent updates to the HEOS platform include a redesigned app, home screen customization, room grouping presets, and support for Qobuz streaming and future Spotify Lossless audio.

Mark Levinson debuted the 600 Series at HIGH END Munich 2025, showcasing high-end audio components with meticulous engineering and superior usability, fully designed and assembled in the USA.
The series includes the № 626 Preamplifier, № 632 Dual-Mono Amplifier, and № 631 Monoblock Amplifier, featuring the proprietary Pure Path architecture for exceptional signal integrity and dynamic range.
Precision craftsmanship includes solid aluminum enclosures, vibration isolation, and cutting-edge DAC capability in the № 626, supporting 32-bit/384kHz PCM and native DSD formats with extensive connectivity options.

Precision volume control in 0.25dB steps for tailored sound adjustments.
Advanced features include 5-band parametric EQ, mono/stereo subwoofer support, and frequency control.
Integrated HEOS for seamless high-resolution music streaming.
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