Plasma Speaker - Tesla Coil Music Box

This plasma speaker is a perfect teaching tool to spark students' interest of science, also a great gift. Teachers use it to demonstrate the principle of boosting and high-frequency skinning to students. Effect etc. This music tesla has circuit protection design, will not damage the input device, can play music in better quality than normal arc plasma loudspeaker. Specifications: Power voltage: 110-240vac 50 / 60Hz Host size: 186 * 106 * 58mm package weight:950g package size:21x15x13cm