Will a decrease in the electrical capacity of the square dance audio battery cause a decrease in playback volume? According to reason the electric capacity is related to the playback length, and relat

Will a decrease in the electrical capacity of the square dance audio battery cause a decrease in playback volume? According to reason the electric capacity is related to the playback length, and related to the power consumption. Square player itself is a multi-functional power amplifier, so that it will turn the small signal into a large signal to play out the final power is the power supply, voltage, current, so when the power supply, voltage, current, enough when it can enjoy the cheerful work, the volume is very large, when the power supply, voltage, current, when the weakening of the work of the it will be insipid, so the volume decreases. So the size of the volume and the power supply, voltage, current strength has a direct relationship.