Distraction Off. Open sound on.

The new HD 620S breaks from the pack with contemporary tuning and soundstage that defy the closed headphone category.

Marlow, United Kingdom, May 8th, 2024 – The Sennheiser brand today unveiled the freshest member of the acclaimed HD 600 series, offering audiophiles a compelling take on closed headphones for private, reference listening without compromise.
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​“The hi-fi community has clamoured for a headphone with the best traits from our 600 series, yet isolates them from distractions at work, home, or in-between,” said Audiophile Product Manager Jermo Koehnke. “Not only does the HD 620S deliver on that promise, its immersive imaging and brilliant impulse response make it an exceptional listening experience for every situation where a higher level of performance matters.”
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The family tree
​At the heart of the HD 620S is a custom-tuned 42mm dynamic transducer made at the brand’s state-of-the-art Tullamore, Ireland transducer plant. It carries forward the smooth and effortless sound found in the open-back 600 family with a modern, airy signature that balances honesty with deep and articulate bass. Thanks to a high damping factor, the 150-ohm aluminium voice coil excels at speedy transients and well-defined instrument tails for punchy dynamics across the entire frequency spectrum—a boon for audiophiles and passionate gamers trying to consume as much detail as possible in a given moment.

Situated in an iconic chassis beloved by audiophiles, gamers and streamers alike for its long-term wearing comfort, the HD 620S elicits a sense of confidence while providing an instant sweet spot. Metal appointments not only feel great to the touch but serve an acoustic purpose as well–the steel plate closing off the back volume is an efficient isolator that manages the internal reflections that cloud the purity of an acoustic signal within. The angled baffle is remarkably open to encourage the free movement of air, modelling the behaviour of open-back transducers while recreating the triangular imaging of a great loudspeaker setup in an expertly tuned room. This immersive presentation drops the listener into the centre of the action with impressive cue location, whether it is a rare live concert recording or massive online multiplayer showdown.

Case closed
​Open headphones are an audio purists’ favourite, however closed headphones are invaluable for listening when isolation from the world around the listener is essential. Audiophiles are accustomed to trading the natural response and wide imaging of open headphones in order to keep distractions at bay, or from disturbing roommates, spouses and co-workers. No doubt, the ​ HD 620S is a breakthrough in real-world performance, offering the dramatic soundstage they want absent the fatiguing, boxy sound associated with sealed cans.

You have new connections
​The HD 620S was built to last with a metal-reinforced headband and earcup housings. An included storage pouch keeps dust at bay with ample space for the detachable cable too, for tidy keeping. The 1.8 meter / 6 foot cable terminates to a single-ended 3.5mm stereo plug with an integrated locking screw for the included 6.3mm adapter. Available this summer, an optional balanced 4.4mm cable will let audiophiles tap into a growing range of hi-fi devices supporting the popular connector. The HD 620S shares the twist-and-lock single-sided cable design with other Sennheiser headphones, giving the user plenty of aftermarket options including different lengths and an in-line microphone.

Pricing and availability
​The HD 620S is currently available for pre-order, and begins shipping on June 6^th 2024, and will be available from select retailers and at sennheiser-hearing.com with an RRP of £299.99 / €349.90.

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