All Si Performer consoles have busses and output processing to match the versatility of the inputs, the 14 aux/group mixes can be configured as 14 mono mixes or 8 mono plus 6 stereo mixes, whilst the matrix mixes can be mono or stereo as needed. The bus and matrix mixes are complemented with four mix busses dedicated to the internal Lexicon FX processors and left, right and centre busses with options for mixing left/right + mono/centre or left/centre/right (LCR). Each bus features a compressor, 4 band fully parametric EQ, graphic EQ and delay always available all of the time.