1. DIY KitThis electronic mini coil plasma speaker kit is a DIY kit that allows you to assemble the components yourself. It offers a handson experience and the satisfaction of building your own speaker. 2. Resonance PrincipleThe coil in this speaker kit is a transformer that operates on the principle of resonance. It was invented in 1891 by the Serbian scientist Nikola Tesla. It generates ultra voltage but lowcurrent frequency alternating current. It has been used in various experiments and applications such as electric lighting, fluorescence spectroscopy, Xray radiation, electrotherapy, and wireless power transmission. 3. FunctionThe rear end of the coil produces a spark at full power. This can be used for ignition purposes, adding a visually stunning effect to your speaker. 4. Fluorescent Lamp FeatureWhen the coil is powered, it can light up a fluorescent lamp, adding an extra visual element to your speaker setup.