Item #1015017 Model #TRB4A

Jo-Ral TRB-4A Aluminum Bass Trombone Straight Mute Standard


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World-class performance.

The Jo-Ral 4A Bass Trombone Straight Mute has an exceptional acoustical design and all-aluminum construction that gives it a smooth, distinct tone quality. It allows a free-blowing sound throughout the instrument's natural range, encompassing even the pedal tones.


  • All aluminum construction
  • Acoustical design
  • Smooth, distinct tone