Wireless Portable PA Amplifier #PA669

Description: MP5/MP3/FM socket USB/SD Record sound/playback 2.4″LCD Manifestation hold Built-in two pleces of 12V/2.2Ah rechargeable battery with charger＆ 220V AC switching power supply.(automatic charging man agement) Wired/Wreless Microphone can be use at the same time Power source:AC220V/50Hz Dc±12V(Built-in erchargeable battery 12V/2.2Ah) Frequency Response:VHF180-278MHz Oscillating Mode:±0.005% quartz control phase locked Wireless effecfive rang:50 meters Channel:Sin gle