B08S6VCSBD Sennheiser IE 400 PRO in-Ear Headphones for Wireless Monitoring Systems with Mackie MP-BTA Bluetooth Adapter (Black)

Noticeable punch with transparent mid-range reproduction and clear high frequencies
Newly developed dynamic 7mm wideband transducer for punchy, high-resolution monitoring sound
TrueResponse driver system reduces acoustic stress factors through homogeneous and distortion-free reproduction
High level of wearing comfort and good fit thanks to ergonomic compact housing
Includes a Mackie MP-BTA Bluetooth Adapter to turn your wired earphones into Bluetooth Wireless earphones