ULE (Ultra Low Emission) – the MU metal shield for the ears

Most current headphones generate so-called low-frequency fields when converting electrical signals to acoustic signals. ULTRASONE has developed Ultra Low Emission technology, or ULE, specifically to minimize low-frequency fields. For this purpose, an MU metal shield is used as a partition (or buffer board) between the air volume at the ear and the headphone capsule.

This shielding reduces magnetic radiation by up to 98% compared to standard headphones. Especially professional users who regularly work with their headphones for many hours at a stretch appreciate this feature. But ULE technology also benefits home users, especially during long listening sessions.

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