FEATURES Asseble with advanced VHF210-270MHz wireless receiving module High efficiency of rated power 70W output,make your broadcast clear and strong Function of connecting to outer speaker Built-in source equipment:DVD,Cassette type and FM receiver Built-in AC-DC serving dual purposes power supply system with intelligence:auto check the capacity of the battery,auto charge the battery,AC auto change to DC,it makes you more convenient. The system match 1 VHF handheld transmitter ,1beltpack transmitter and 1 lavalier microphone. Built 杋n 16 kinds of DSP delay effect. Portable amplifier is more suitable for moving inside or outside the door. SPECIFICATION Speaker Driver LF:10inch HF:2.5inch Rated power 70W Max SPL 108db Frequency response 80HZ-14KHZ receiving module VHF 210-270MHz dual channel S/N 80db Distance 35M Effects 16 kinds of DSP delay Power Supply AC100~120V/200~240V 50/60Hz