Acoustic baffles sold as a component of loudspeakers; Acoustic conduits; Acoustic couplers; Acoustic coupling devices; Acoustic membranes; Acoustic meters; Acoustic separation units; Acoustic sound alarms; Apparatus for wireless transmission of acoustic information; Audio-receivers and video-receivers; Bags adapted for laptops; Bags for cameras and photographic equipment; Bar code readers; Batteries; Batteries, electric; Cabinets for loudspeakers; Cameras; Card readers for credit cards; Card ...