PORTABLE PUBLIC ADRESS (PPA) * 2 rechargeable batteries (Build-in) * Connect to unlimited slave unit (to big audience) * Echo design and voice priority function * 3 wired MIC input jacks and wireless microphone * Media player switch to save power * With type plastic enclosure, multi-function configuration built-in external connect. a. Specification : Output Power : 200W/4 Max, RMS 100W/4 Speaker : Treble speaker and 10” Speaker (100W) 2 PCS Rechargeable battery : 12V-7AH 2 PCS AF Frequency Respon : 50Hz-18KHz + 3dB Input Signal : Built-in Wired, Wireless MIC and Aux Working Time : 3-4 Hours b. Wireless Reciever : Modulation Mode : Frequency Modulation Frequency Range : UHF 400-900MHz Sencitivity : 40>dB AF Output : 450mV +50mV SNR : >85dB Power Source : 12V Current Consumption : 130mA + 20mA c. Wireless Transmitter Modulation Mode : Frequency Modulation Oscilation Mode : PLL Synthesized Channel Number : 1CH/16CH Frequency Range : UHF PLL 400 -900MHz Transmitting Power : 10dBm + 0,5dB SNR : >85dB Power Source : 3V & 9V Current Consumption : 150mA + 20mA & 50mA + 10mA