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1. It adopts dual DSP design, with built-in 24 segment A.B dual channel high-precision digital notch filter, which can accurately find the frequency point of the whistle and eliminate it. At the same time, it has the function of automatic phase-shifting and frequency shifting, and has strong whistle suppression ability.

2. Equipped with double 24 segment parameter equalization and high-low pass frequency division, so as to correct different environmental acoustic defects.

3. Line input and output. The default is 0dB input and 0dB output. It can also be set as low-level output or high-voltage output.

4. It is equipped with the function of saving and calling 10 scenes, which can save and call the parameters of 24 segment equalization, whistle suppression and notch filter of 10 scenes, and will be saved automatically after the next boot.

5. The machine supports computer software control, which can be connected to the machine through USB and adjusted on the computer.

6. Equipped with 48V phantom power supply, the switch can be set in the software or the machine, which is compatible with dynamic coil and capacitor microphone.