How do you connect non-powered mixer to power mixer?

To connect a non-powered mixer to a powered mixer, use a balanced audio cable (like XLR or TRS) to link the output of the non-powered mixer to one of the line inputs on the powered mixer. Ensure that the output levels are appropriately set to avoid distortion. Additionally, check that the powered mixer's input gain is adjusted to accommodate the signal from the non-powered mixer for optimal sound quality.