教学功放

◇DSP数字处理技术，可通过中控，电脑，面板按键设置

     DSP digital processing technology, can be set through the control, computer, control panel .

◇4路音乐、4路麦克风音调采用多段参量均衡器调节，两路立体声输出，一路录音输出

    4 channels of music, 4 channels of microphone tone with multi-parameter equalizer adjustment,  2 stereo output, 1 channel recording output.

◇专业自动防啸叫技术,4路编程输出

     Professional anti-howling technology, 4-way programming output.

◇工程锁机功能，可自主设定，开机一键恢复

     Project lock function, can be set independently, one key recovery is in place.

◇开机音乐、麦克风效果模式设定

     Background music, microphone effect mode settings.

◇具有USB/232互动调音软件控制接口

     USB/232 interactive tuning software control interface.

◇内置数字录音放音功能，插入U盘可直接一键录音，带彩色TFT功能显示屏

     Built-in digital recording playback function, insert U disk can realize one-key recording, with color TFT display.

◇可直接配合数字2.4G无线讲解话筒，内置可自动频率管理的接收系统

     Can directly connect with digital 2.4G wireless microphone, built-in automatic frequency management receiving system.

◇具有USB充电功能，多功能卡侬话筒插口，可选择6.5或卡侬，带三路48V幻象供电

     With USB charging function, multi-function cannon microphone jack, optional 6.5”or cannon, with three channel 48V phantom power supply.

◇宽电压数字功放，静音风扇自动散热，4X300W大功率输出

     Wide voltage digital amplifier, silent fan automatic cooling, 4X300W high power output .

◇远程检测管理功能，可在电脑端检测全部功放机的使用电流电压及温度状态，可设置定时巡检功能，节电环保，温度阀值可自由设定，自动报警，避免事故发生

     Remote detection management function can detect the current voltage and temperature status of all amplifiers on the computer side, set the regular inspection function, save electricity and environmental protection, set the temperature threshold freely, and automatically alarm to avoid accidents. 

功率输出                Power                 ≥4*300W

频率响应                 Frequency response     20HZ-20KHZ（+0.5，-0.5dB）

信噪比                    SNR                 86dB

输入灵敏度             Input sensitivity           0.24V

总谐波失真             Total harmonic distortion   ≤0.05%