The utility model discloses an intelligent microphone of scalable tuning, including the microphone device, turn to the device, words barrel holder telescopic link and base, the microphone device is articulated with the transfer, turn to device below and fixed linking to each other of words barrel holder telescopic link, install on the base words barrel holder telescopic link bottom, still be equipped with the sleeve on the words barrel holder telescopic link, be equipped with in the sleeve and talk about gyro wheel and the transmission band that the barrel holder telescopic link links to each other, still be equipped with the controller in the words barrel holder telescopic link, a motor and a brake, the motor module, quick sensor of sound and power module, the signal of controller end respectively with the stopper, the motor module, the signal end of quick sensor of sound and microphone device links to each other, the controller still is connected with the power module electricity. The utility model discloses can acquire speaker's acoustic intensity to people according to different height reciprocates the microphone device, thereby makes the microphone device reach suitable height, convenient to use, simple structure.