(5) Amplification: Amplification of instruments or voice may be used with the following restrictions:
(A) All equipment must be operated by eligible students.
(B) AC power cords and AC supplied amplification units must be located outside the sidelines and endlines.
(C) A power generator or DC power source may be placed on the field, provided there is a protective barrier between the power unit and the turf and all cords are contained safely within close proximity to the equipment that is being supplied with power.
(D) Wind instruments may be amplified only for solo and/or small ensemble features.
Notice Section (D).