... /230V 4)Power: RMS: 75W*2, EIAJ: 100W*2 Portable Sound System with USB/SD/LCD PPS4400This PA system is compact ... is functional and powerful enough to be used as a professional sound system for small venues, such as wedding,business presention, choir ... Ningbo Central Star Electronic Technology Co., Ltd. A full line professional audio manufacturer located in Ningbo City, China, we provide our ...