Move prescaler

The main characteristics of moving the prescaler: (1) can increase the amount of sound reinforcement gain. General improves 6dB, in reflection sound serious indoor improves 10dB. (2) to improve the frequency characteristic. Rated frequency response range 300Hz---7000Hz, fully satisfy the General language and sound reinforcement needs and frequency characteristics correction adjustment, you can enable frequency characteristics of uniform, thereby reducing the frequency distortion, reduce the distortion. (3) to improve the clarity of language. According to the interior space is different, adjust the shift count, avoid regeneration reverberation interfere, greatly improving the language definition. (4) with automatic language controller (AAC). Strong signal input, automatic adjustment of stability, improve PA average power.