The new models incorporate a series of design upgrades, ensuring Shure’s iconic sound quality with an exceptional look to match. Both headphones are optimized for critical listening and studio monitoring, featuring nuanced improvements including lower harmonic distortion and more precise left-right driver matching. The SRH840Aoffers a precisely tailored frequency response powered by 40mm neodymium dynamic drivers to deliver rich bass, a clear mid-range, and extended highs, while the wide, padded headband and collapsible design combine to create the ultimate listening experience. The SRH440A delivers detailed frequency response with accurate audio designed for podcasting, home recording, and critical editing and mixing. The consistent and uncolored sound response provides an appropriate representation of the sound, making it an ideal fit for talent in a recording session.