Electric wind instrument

The invention relates to an electric wind instrument, which is a playing musical instrument. The electric wind instrument comprises a compressed air source apparatus, a pressure regulating valve, a playing pedal, M playing keys and N sounder groups. Each of the sound groups includes a main switching valve and M sounder branches that are in parallel connection and are respectively connected with the main switching valve; each sounder branch circuit includes a switching valve and a sounder, wherein the switching vale and the sounder are connected in series. An output terminal of the compressed air source apparatus is connected with one input terminal of the pressure regulating valve; the other input terminal of the pressure regulating valve is connected with the playing pedal; an output terminal of the pressure regulating valve is respectively connected with input terminals of all main switching valves; output terminals of all main switching valves are respectively connected with the switching valves of all the