About this gear
The GMR-540-ISO is a closed-back over-ear headphone that prioritizes isolation and bass response, making it ideal for commuting, portable use, and tracking in loud environments. The sealed design contains sound and boosts low-frequency presence compared to its open-back sibling. A practical, affordable Koss offering for everyday listening and sound isolation needs.
About Koss
American headphone pioneer founded in 1958 by John C. Koss in Milwaukee — credited with inventing the first stereo headphone (the SP/3). Koss's Porta Pro, introduced in 1984, remains in production and is one of the most beloved headphones ever made, offering remarkable sound quality and musicality a...
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