★ High-class injection-plastic panel, anti-scratched and anti-rusty; ★ Professional Hi-Fi amplifier circuit is adopted, so the quality of sound is excellent; ★ Fixed voltage/resistance output types; ★ 2 channels line inputs(1 channel input with EMC priority function);3 channels Mic inputs; the volume of each channel can be modulated individually; the bass and treble can also be modulated individually; ★ 3 channels zones outputs; ★ With clear and sweet Chime function; ★ Protection from over-loading, over-voltage and over-temperature; ★ Shining and dazzling signal indicator LEDs and zone indicator LEDS; ★ Audo-speed fan by temperature controlling; Type DBA-200H General Distortion ≤0.1%（at 1kHz） Output Power 200W Input Sensitivity ≤800mv Frequency Responsibility 50Hz-16kHz +0-3dB(70W,100W) ; 20Hz-20kHz ±0.5dB(4-16Ω) S/N Ration ≥80dB Power 245W Voltage 198V-242V 50-60Hz Size 483(W)*89(H)*305(D)mm Net Weight 7.8kg