With custom password engineering lock

Product introduction >>>
DSP digital processing technology
● CNC analog audio processing circuit
● music, microphone tone using seven-band equalizer adjustment, low cut-frequency point adjustable
Professional anti-howling technology
● music, microphone, the effect of boot volume settings and maximum volume lock function
● engineering lock function, can be set independently
● music, microphone effect mode setting
● front and rear USB interactive tuning software control interface
● SMT chip production process, product performance and stability
● The bass output volume can be controlled by the microphone switch

Technical parameters >>>
◆ Frequency response range (1dB): (MUSIC MIC) 20Hz ~ 20KHz
Input sensitivity: (MIC) 11MV (MUSIC) 210MV
◆ Center tone (± 10dB): 100Hz \ 2.5K \ 10KHz
◆ Microphone Tone (± 10dB): 57Hz \ 134Hz \ 400Hz \ 1KHz \ 2.5KHz \ 6.3KHz \ 10KHz
◆ Music Tone (± 10dB): 57Hz \ 134Hz \ 400Hz \ 1KHz \ 2.5KHz \ 6.3KHz \ 16KHz
◆ Microphone low cut: 30Hz \ 50Hz \ 80Hz \ 100Hz
◆ signal to noise ratio (A weighted): ≥ 95dB