Apparatus for OEM for processing, recording, reproducing, and mixing sound, for audio equalization of, normalizing and conditioning sound, for bass enhancement, bass virtualization, high frequency range extension, high frequency enhancement, and compressed audio quality improvement, namely, sound mixers with integrated sound recording apparatus for OEM; surround sound decoders for OEM; recorded software applications for OEM for enhancing, processing, amplifying, transmitting, compressing, rec...

Otoscopes; Ear plugs for medical purposes; Ear plugs for noise reduction; Ear plugs for sleeping; Ear plugs for soundproofing; Ear plugs for swimming; Electric hearing aids; Hearing aids for the deaf; Hearing protectors without the ability to reproduce or transmit sound; Parts of acoustic apparatus for the hearing-impaired, namely, cerumen protection systems