Visaton 4800 fr 13 shallow round speaker 4 ohm visaton 4800 p a 13cm 5in full range loudspeaker from viston with an inverted cone offering uniform frequency response and powerful low frequency output while simple to install for example in vehicles with mounts for 13cm loudspeakers other applications include cars buses trains or electronic musical instruments p visaton 4800 fr 13 shallow round speaker 4 ohm