2-channels of soft knee, variable-ratio compressionBalanced mic and line level inputsBalanced line outputs, switchable for -10dB or +4dB operationUnbalanced jack I/O connectionsStereo front panel instrument inputs with gain control and sensitivity switch (for guitar or keyboards etc.)Sidechain insert points for frequency conscious compression48V phantom power90Hz high-pass filter switch (12dB / octave), applies to all inputsContinuously variable Input Gain, Threshold, Attack/Release times, Compr