KGU brass KGU Brass Booster RADIATOR Raw Brass for Trumpet Cases and Gig Bags there may be some rattling

there may be some rattling due to compatibility with the instrument or mouthpiece or individual differences

the speaker enclosure tends to move backward

especially when delicate touch and nuance are required

the long neck and slightly wider fret spacing make it suitable for a wide range of playing styles

KGU brass KGU Brass Booster RADIATOR Raw Brass for Trumpet Cases and Gig Bags there may be some rattlingKGU Brass (KGU MUSIC) Trumpet Mouthpiece Booster Model: RADIATOR Finish: Low brass Weight: Approximately 90g The RADIATOR Trumpet Mouthpiece Booster is a golden mean in terms of weight, shape and design, allowing you to get the benefits of MEGATONE in your favorite standard mouthpiece. This booster will meet the expectations of both experienced trumpeters looking to accentuate their style and those just taking their musical steps. Bestselling booster.