Kelly Mouthpieces 7C Plastic Trumpet Mouthpiece - Crystal Green Phoenix Audio You’ll also find a side-mounted

You’ll also find a side-mounted frequency switch to dictate how much low-end content is shelved

which means you get an industry-leading 2-year warranty and friendly

lighter gauge steel tubing and a low mass tube joint for optimal portability

Freq Response: +/-0

Kelly Mouthpieces 7C Plastic Trumpet Mouthpiece - Crystal Green Phoenix Audio You’ll also find a side-mountedThe cup sizes are patterned after the Bach series, sampled by Kelly Mouthpieces' professional staff and are adjusted to produce their final, comfortable, easy blowing mouthpieces. Kelly's standard trumpet mouthpieces all have a larger throat diameter than their Bach counterparts.