dati palakasan ang labanan..lately, kasama na sound quality kaya kanya kanya sila ng research at experiment sa mga enclosure designs nila..almost every occasions like fiestas, may battle of the sound...sound systems from zarraga, leganes and sta. barbara, iloilo are top contenders...most of these guys are not after for the price money...karangalan lang talaga...always a serious competition...hehehe