BK-900M

▶ With four groups 8P-DIN sockets for system connection.
▶ With Silent Power (Turn on/off ) switch.
▶ With audio output port,balanced and unbalanced.
▶ Built-in volume adjustment processor can adjust bass and treble.
▶ System volume independently adjustable.
▶ With 1 AUX input,volume can be independently ajustable.
▶ Attendance unit automatic shutdown function is optional.
▶ Panel has four mode feature buttons for setting,and LCD screen display.
▶ With 3 conference modes : Limited mode , FIFO mode,Free discussion mode.
▶ With voice recording function.
▶ Frequency response :50-60KHz , SNR:90dB ,Distortion : <0.2% 1KHz 
▶ Output impedance :600Ω
▶ Power consumption :250W 
▶ With four groups connection ports ,each port support 15 conference units ,the total support 60 conference units.
▶ English or Chines menu is optional
▶ 2U standard design,suitable for the 19 inch rack cabinet.
▶ Dimension : 482×320×90 ,  L×W×H(mm)
▶ Net weight:   8.15KG