The Hi-X15 closed-back headphones are the workhorse of Austrian Audio's award-winning Hi-X series, bringing the crystal-clear, precise listening experience of High Excursion technology to everyday use at an unbeatable price. Their sophisticated folding design, unusual in this price range, makes them easy to store and transport, and their durable all-metal hinge and arch make them extremely durable. The closed construction and good isolation of the Hi-X15 headphones open up many fields of application. They are perfect for the studio, stage, rehearsal room, tours or practicing at home. The Hi-X15 uses the award-winning Hi-X series transducers. Thanks to their low impedance of 25 ohms, they deliver precise sound even with weak amplifiers and mobile devices.