The Compère 500 is 19″ rack mounting as standard with a total of 8 slots. The internal heavy duty power supply providing up to a massive 3 amps per rail giving users total peace of mind about running combinations of modules from Cartec Audio’s own Pre-Q5 pre-amp, Fe-Q5 EQ, or from other manufacturers without fear of failure or sonic degradation. (500 Series Modules pictured are for demonstration purposes only and are not included with the purchase of the rack)