Sierra Reference Connectivity technology:3.5mm Termination Non-Standard colors must be requested

Non-Standard colors must be requested via email

780 B2) Linear Extension system

all while keeping weight to a minimum

Available in 3

Thank you for coming along in this journey

Sierra Reference Connectivity technology:3.5mm Termination Non-Standard colors must be requestedTrue to life accuracy and impact, all day comfort. Enjoy a spacious, detailed sound contrasted by the intense impact of subwoofer like bass thanks in part to the Patented (Pat. 12,395,780 B2) Linear Extension system. Sierra is a new take on the possibilities of open back, dynamic driver headphones for audiophiles and studios alike. The 2025 Revision includes an improved headband with a smooth swivel mechanism, along with an optimized driver enclosure