Yamaha Silent Brass SB7J Trumpet/Cornet System – Lightweight & Compact
The SB7J combines Yamaha’s ultra-light PM7X puck-up mute (82 × 139 mm, 70 g) with the STJ. Pickup Mute (PM7X). • I/O: Mute In, AUX In, PHONES (w/ mic), USB (micro-B). ・PM7X mute (for trumpet/cornet).