Turns off by iself. - Model SC-GNW10

When connected wirelessly, if there is no sound for 5 minutes or more, SC-GNW10 automatically turns off. (Auto off function) Turn on the power of SC-GNW10 again.
When no battery charge remains, SC-GNW10 automatically turns off.
If there is an excessive input signal, the function of the SC-GNW10 may stop automatically and the power may be turned off for safety.
If SC-GNW10 is used in an environment with high temperatures, it may automatically turn off for safety reasons.