Jo-Ral Bubble Mute TrumpetJo Ral Harmon Wah Wah (bubble) mute for trumpet model TPT 2A. This model is also available with a copper finish (model TPT 2C). Edgy and almost biting, the bubble mute offers and wonderfully distinctive sound. The acoustic design of Jo Ral TPT 2C Trumpet Aluminum Copper Bubble Mute gives it a near perfect intonation across all registers, resounding projection, and an almost meaty buzz unmatched by any other. The Jo Ral 2C Trumpet Aluminum Copper