audio service waxguards Thickness:Blue with a gain of 45

with a gain of 45 dB

It is a reciver-in-channel device with an external receiver

Phonak Roger X (universal receiver)

Signia Pure Charge & Go X (Xperience)

Acoustic frequency filter

audio service waxguards Thickness:Blue with a gain of 45Audio Service HF3 and HF4 Wax Guards for hearing aids HF Black Wax Guard is the premium Wax Guard system with self cleaning effect for hearing aids. Whether you're playing sports or walking on the beach, you don't want to miss out on good hearing. Actually, hearing aids are already quite outdoor specialists, but they also need a little care. The HF Wax Guards sit directly in front of the receiver outlet and prevent dust or moisture from getting into