ESSENTIAL ELEMENTS BK 2 B FLAT TROMBONE TC 352587 There are two small trim

There are two small trim pots on the circuit board can be tweaked to preset the frequency contour EQ just the way you want

LED to signal phantom power for easy visual reference

Tow handle & wheels

dynamics and response

ESSENTIAL ELEMENTS BK 2 B FLAT TROMBONE TC 352587 There are two small trim"The second book in the Essential Elements for Band series includes an easy to teach sight reading system, logical sequence of skills, band arrangements, Dr. Tim parent letters, and more. Effective pedagogy, a logical sequence of skills, innovative parental communication tools, multicultural songs, duets and full ban arrangements, and much more, create a method designed to help kids succeed."