Bags specially adapted for protective helmets; Boxes specially adapted for housing audio equipment; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Mounts and mounting brackets adapted for audio speakers with swiveling bases therefor; Portable sound reproducing apparatus; Protective carrying cases for portable music players; Protective carrying cases specially adapted for personal digital assistants (PDA); Protective cases for audio equipment in the nature of audio mixers; Protective covers and cases for cell phones, laptops and portable media players; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers