iEMatch Headphone Optimizer (2.5mm Headphones)

Diminish hiss, crackles, and other sounds with headphones being sensitive audio playback like in-ear monitors, earbuds, or in-ear earbuds. Restore lost resolution when adjusting down digital volume, increasing dynamic range, and still listening at ease, and saving your eardrums. Choose high or very sensitivity with a switch for the highly sensitive IEMs. Intended for use with Digital Audio Players that have a 2.5mm connection. Provided are accessories like cushioned earplugs and a fabric case. Perfect for domestic use, work, travel, or anywhere music leads you. Reminder: Airplane adapter not included.