No sound is produced.

Is the power on? If the speaker’s white LED is off, check that the main power switch on the speaker’s back panel is set to ON.
② Has the auto power off function been activated? When the auto power off function is turned on, the speaker’s white LED turns off and the standby mode is set if no audio signals are input for a specific amount of time. When audio signals are input, the white LED lights and the power turns on automatically. Check that audio signals are being properly input.
③ Is the volume control set to “MIN”? Adjust the volume control and set the volume to an appropriate level.