... woofer,horn tweeter 4.RMS power: 300W pa system TV-15DBuilt-in MP3 player and DVD playerUSB,SD ... -media supported ,compact ,portable ,clear and loud sound reproduction ,well suited for any PA application,in ... Dual channels UHF or VHF fix frequency wireless system optional (UHF have 50 to 70 wireless ... card,MP3,MP47.Built-in advanced receiver modular system with two wireless mics (handheld ,lavalier ,and ...