Dan Clark Audio Expanse

The reviewer finds the Dan Clark Audio Expanse to be a technically impressive open-back flagship that uses AMTS technology to reduce distortion and improve clarity. They note it requires powerful desktop amplification due to low sensitivity and impedance, but when properly driven, it delivers a highly accurate and detailed sound. The design is praised for comfort, repairability, and portability, though the reviewer implies it is not for portable use.

The reviewer finds the Dan Clark Audio Expanse to be a well-built, comfortable, and objectively excellent headphone with strong Harman target adherence, but subjectively disappointing due to a closed-back feel, congested sound, lack of dynamics, and some treble harshness. They prefer the cheaper Aeon Noir and recommend the Expanse mainly for those who value comfort and objective tuning over engaging technicalities.

The reviewer interviews Dan Clark about the new Expanse open-back flagship headphone, discussing its AMTS technology, design, and tuning. They provide initial impressions, noting its wide and airy soundstage that avoids the diffuse quality of some competitors, and highlight its unique ability to sound open while isolating more than typical open-backs. The overall impression is positive, with the reviewer praising its technical achievements and sound quality.