Using these QSC KW153 loudspeakers is easy. First, connect them to a proper power supply. Make sure the power switch is turned off before connecting. Then, connect your audio source to the speakers. You can start using them by turning on the power switch. When using, keep them away from water and high - temperature areas. For maintenance, clean the speakers regularly with a dry and soft cloth. Don't use harsh chemicals to clean them. Also, check the connections from time to time to ensure they are secure.
