Component feature of a wireless transmitter, namely, a power management mode that automatically adjusts the wireless transmitter output power based on various wireless transmitter settings; portable apparatus and systems, namely, wireless transmitters for broadcasting, recording, transmission and reproduction of sound for motion picture use; automatic power adjustment system, namely, a feature of a wireless transmitter for use with portable apparatus and systems for broadcasting, recording, transmission and reproduction of sound for motion picture use; circuit boards, integrated circuits, semiconductors, and computer software for automatically adjusting output power for use with portable apparatus and systems for broadcasting, recording, transmission and reproduction of sound for motion picture use; computer hardware and software for automatically adjusting output power for use with portable apparatus and systems for broadcasting, recording, transmission and reproduction of sound for motion picture use