The invention discloses an interior energy-saving sound playing device for a
new energy vehicle. The sound playing device comprises a main broadcast device and a group of secondary broadcast devices; the main broadcast device is provided with a main
loudspeaker, and is provided with a
power switching button, a broadcast switch and an electric quantity display lamp on one side of the main
loudspeaker; the main broadcast device is connected with a
solar cell panel and the secondary broadcast devices; each secondary broadcast device is provided with a secondary
loudspeaker and a secondary broadcast switch, an earphone groove is formed at the lower part of the secondary broadcast device, an earphone hole is formed in the earphone groove, and a cover plate is arranged on the earphone groove; and a broadcast storage battery, a
voltage stabilizer and a single-pole double-throw
relay are arranged inside the main broadcast device. The interior energy-saving sound playing device for the
new energy vehicle, which is provided with an independent power supply
system and collects power by using
solar energy, is energy-saving and environment-friendly; meanwhile, the power supply can be switched, so that normal operation of the device is guaranteed; and the device is reliable and convenient to use, and does not influence communication between passengers and a driver.