TRS or XLR differentially balanced input and output Choose stereo or left right channel synthesis of ultra-low sound x10 range switch on both channels 40Hz high pass (low cut) filter both channels Phase reverse switch on all outputs Individual level controls on all band outputs 24dB per octave Linkwitz-Riley filters (the professional standard) Stereo/Mono status LEDs indicate the selected mode Technical Specification • Bandwidth: 20Hz-20kHz,+0/-0.5dB • Frequency Response:<3Hz-90kHz,+0/-3dB • S/N Ratio: reference value +4dBu,22kHz measure bandwidth • Stereo mode, mono mode: • Low frequency output: >94dB >94dB • Mid frequency output: >93dB • High frequency output: >92dB >92dB • Dynamic range: >114dB • THD + Noise: <0.004%+4dBu,1kHz <0.04%+20dBu,1kHz • Crosstalk between each channels: <-80dB,20Hz-20kHz • Packing: Color Box 5pcs/ctn L*W*H: 57*33.5*31