Audio-receivers and video-receivers; Cabinets for loudspeakers; CD players; Echo sounders; Electronic sound mixing, processing and synthesizing apparatus; Horns for loudspeakers; Loudspeakers; Megaphones; Portable media players; Sound mixers; Sound transmitting apparatus; Transponders; Acoustic membranes; Blank compact discs; Charging appliances for rechargeable equipment; Electric navigational instruments; Electric and electronic video surveillance installations