KRV

Earphones; Headphones; Loudspeakers; Megaphones; Microphones; Subwoofers; Audio interfaces; Cabinets for loudspeakers; Car video recorders; Dictation machines; Electronic educational apparatus, namely, communication blocks that manipulate and convey information electronically based on their arrangement and are used for cognitive development in disciplines such as counting, spelling or quantitative; Horns for loudspeakers; Personal stereos; Portable media players; Radio sets; Record players; Sound mixers; Sound recording apparatus; Tape recorders; TV cameras