Feature: 1:BCD series is co-broadcasting power amplifier with Pre-amplifying, suitable for public broadcasting in various places and used for backgroud broadcasting. 2:There are 3 ways of microphone input, one of them is priority microphone wiith mutu function.2line inputs, 1 line output, all microphone, line volume, high and low sounds can be regulated independently 3:Level indicator in 5 LED 4:With functions of CD player, AM and FM radio, a ringing prompt button is set up on the front panel and its volume is adjustable 5:3 power output Mode:100V, 70V, 4 to 16ohm 6:Reted output:100w/150w/200w/250w/300w Introducin: The funtion of voltage-fixed amplifier BCD series Type BCD100 BCD150 BCD200 BCD250 BCD300 Reted output power:100W 150W 200W 250W 300W Output form:4 - 16Ω,70V,120V Voltage of supply:AC220+/-5% 50HZ+/-2HZ Accessional function:Two subarea Size(mm) :480*435*88 Weight(kg):11 11.5 12 12.5 13 Technical Parameter: BCD Series Power Amplifier Take to accept,playback function Rated load impedance:4~16Ω Frequency response:80Hz~8KHz+/-2dB Signal noise tatio:Input Microphone ≥65dB Input circuitry≥75dB Input sensitivity:Mike:-60dB circuitry:-20dB Total harmonic distortion:80Hz~8KHz≤2% Output level modulatin:≤2dB