The Yamaha SB1X Silent Brass System comes with some new improvements including the disassembled body a great advantage for travelling musicians. The mute can be halved and then stacked together to produce a compact size. The mute is now much smaller and lighter improving balance when playing. An adjustable rod allows players to reposition the mute head so they can achieve their desired pitch resonance and playing feel. Thanks to this new feature the mute can be used with Bb C Eb and F horns. The Yamaha SB1X silent brass pickup mute comes equipped with a cable owners manual stereo earphones and belt.