Mobile television earphone system of long-distance sleeper coach

The utility model relates to an audio frequency system with earphones, and especially relates to a mobile television earphone system of a long-distance sleeper coach. A mobile television on a long-distance sleeper coach is connected with an audio frequency interface expander via an audio signal wire. The audio frequency interface expander is connected with a plurality of earphones that are respectively arranged near each sleeping berths. The mobile television earphone system of a long-distance sleeper coach mainly aims to solve the technical problem of a conventional mobile television earphone system of a long-distance sleeper coach that passengers can not select to listen based on the needs of the passengers, and allows the value-added service of a long-distance sleeper coach to better accord with humanized demands of the passengers.