The pre-tensioned ERKA. the convex membrane provides excellent resonance and sound transmission.
The reversible double chest piece has an open bell side for the low frequencies and a membrane side for the entire frequency spectrum. The aluminum chest piece is simple and can be cleaned quickly.
The soft ear tips fit ideally into the ear canal and thus minimize the influx of external noise.
The standard 15° inclined binaural can be individually adapted to the ear canal characteristics of the user. The ergonomically shaped and individually adjustable headset guarantees an optimal fit.