Tunable diaphragm allows the user to conveniently alternate between the low- and high-frequency sounds without turning over the chest piece
Patented tunable diaphragm conveniently alternated between the low and high frequency sounds without the need to turn over the chest piece
Handcrafted solid stainless steel chest piece for superior acoustics
Two-in-one tube design eliminates tube rubbing noise
Excellent acoustic seal and comfortable fit with the soft sealing ear tips
Overall length 27 inch