Sustain critical listening and confident mix decisions with focused monitoring built for studio workflows. The SRH840A pairs matched dynamic 40 mm neodymium drivers with a closed‑back over‑ear architecture to preserve low‑end integrity and control stage bleed during live tracking. Designed for extended sessions, these headphones provide dependable wired stereo connectivity and a fit that keeps reference balance steady across takes. Specified for professional environments, the SRH840A is tuned to emphasize accurate midrange detail so engineers can judge clarity, presence and instrument placement without guessing. Choose the SRH840A when you need a dependable monitoring tool that keeps performers isolated and delivers repeatable results from tracking to final mix.