MASS-Kobo Model 433

Outstanding for the price, performance and size

This is one of my more satisfiying blind purchasing ever. If you are looking for the absolute pinnacle of Japanese engineering in a compact size headphone amplifier, the Mass-Kobo 433 is it. This amp provides a level of transparency and black background that is rare even in high-end desktop setups. It offers a completely uncolored, neutral signature that reveals every micro-detail in your recordings without ever sounding clinical or harsh. Despite its compact size, it drives demanding full-sized headphones with incredible grip and dynamic headroom. It feels like a precision instrument. Whether using IEMs or power-hungry planars, the noise floor is non-existent. This is a "buy it once, keep it forever" piece of gear, unless this masterpiece awakes your cravings for taste the next level (485)