Electrical discharge surge: Listen & Download Electrical discharge surge .mp3 Error! Change your browser, please! ⇓ Download Low frequency rumble ⚠ Small electric motor ⚠ Wall switch ⚠ Multichannel switch ⚠ Low Frequency Electric Drone ⚠ Electric sparks ⚠ Electric transformer ⚠ Toggle switch, Small switch ⚠ Shoots an electric arc indoors ⚠ Start up, Electronic energy, shutdown, ⚠ Switch ⚠ Electric discharges, Tesla coil ⚠ ★★★★★