1, the left and right channel speaker speaker sensitivity is not consistent, can be adjusted by adjusting the left and right channel output level of each way, so that the speaker sound close to the same.

2, the left and right channel output power signal imbalance, you can left and right channel on the input and output gain of various devices tuned to approximately the same indicator value.

3, often the average volume level of the sound source left and right channel is different, the speaker sound when the two channels of sound imbalance, you can adjust the mixer input channel gain knob or channel fader to give a solution, so that the average volume of dual-way speaker sound is roughly the same.