Features:
◆ DSP digital processing technology
◆ NC 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
◆ boot music, microphone effect mode setting
◆ front and back USB interactive tuning software control interface
◆ SMT chip production process, product performance and stability
◆ bass output volume with the microphone switch control

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

◆ AK720 per channel output power: 250W +250 W (main channel) (8Ω, EIAJ)
Size (length × width × height): 430x425x120mm
Net weight: 12.6Kg
Gross weight: 15Kg
◆ AK730 per channel output power: 300W +300 W (main channel) (8Ω, EIAJ)
Size (length × width × height): 430x425x120mm
Net weight: 14.2Kg
Gross weight: 16.6Kg
◆ AK750 per channel output power: 350W +350 W (main channel) (8Ω, EIAJ)
Size (length × width × height): 430x425x120mm
Net weight: 15.5Kg
Gross weight: 18Kg