MB Series MB-1022 MB-1222 MB-1422 MB-1622 Features and specifications *6-12 line microphone or line input, 2-line stereo input. *There are indications of signal and peak value in input channel. *Input channel has a equalizer with 3 frequency bands. *Single channel has an inserting function. *4 groups of level indication that display main output and grouped output. *Main output with 2 modes of output, balancing output and non-balancing output. *Grouped output is a non-balancing output. *16 built-in optionally digital effects. *+48V phantom power is available in the unit. *With change-over switches of 115VAC and 230VCA. *Stereo earphone output can monitor the signals of main output and various channel input. *2 ways of auxiliary input. Frequency specifications *Frequency response: 20Hz-20KHz *Harmonic distortion < 0.1% (20Hz-20KHz) *Channel 3-band frequency equalizer controls High frequency: 10KHz ±15dB Middle frequency: 350Hz 8KHz ±15dB Low frequency: 100Hz ±15dB *Stereo channel 3-band frequency equalizer controls High frequency: 10KHz ±15dB Middle frequency: 1KHz 8KHz ±15dB Low frequency: 100Hz ±15dB