[Class : 9] Acoustic [Sound] Alarms/Sound Alarms; Audio And Video Receivers; Audiovisual Teaching Apparatus; Cabinets For Loudspeakers; Cassette Players; Diaphragms [Acoustics]; Headphones; Intercommunication Apparatus; Measuring Instruments; Megaphones; Radios; Record Players; Sound Transmitting Apparatus; Sound Recording Apparatus; Sound Reproduction Apparatus; Speaking Tubes; Transformers [Electricity]; Transmitters Of Electronic Signals; Transmitters [Telecommunication]; Transmitting Sets [Telecommunication]; Usb Flash Drives; Vehicle Radios; Walkie Talkies; Transmission Apparatus Incorporating Reception Apparatus; Wireless Receivers And Transmitters; Audio Mixers; Electronic Teaching And Learning Machines; Speaker Systems; Microphone Cables; Conference Systems; Digital Players And Recorders; Paging Systems; Portable Amplifier Systems; Lectern Systems; Counter Communication System; Speaker Stands; Accessories, Parts, Sub Assemblies Of Public Address Equipments And Systems; Ac/Dc Adopters; Hardware Electrical Accessories.