The Yamaha SB79 Silent Brass Trumpet Mute System lets you play as loud as you want without disturbing others. Aux in allows you to play along with CD or MP3 recordings. Echo-enhanced sound mode creates large-room ambience. Volume and input lo/hi controls. Basic system includes Silent Brass module, pickup mute, locking cable, belt loop/strap, button earphones, and 9V battery.
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