... LA-210 /LA-215B dual 10 inch audio pro speakers, China pro audio, PA systemLA-210 is a two ... speaker, it can be used in different venues according to the different sound requirements, indoor or outdoor, middle or ... easy installation and connection.LA-215B is the subwoofer to match with LA-210 line array speaker. 4PCS top ... (Kg)63 dual 10 inch audio pro speakers, China pro audio, PA system (LA210/LA215B)