... 2.Built-in recharge battery 3.High sensitive wireless microphone Pa system PF-28DUBuilt-in DVD player,can play DVD ... ,portable ,clear and loud sound reproduction ,well suited for any PA application,in cluding home Karaoke ,education ,seminas ,business conferences , ... functons ,wedding ceremonies ,paties and any occasion requiring a PA amplifierKey Features:1.Huge output power around the range of ...