Chassis capable of housing up to four power modules of the F2 and F2DC series that allows configuring of 1, 2, 3 or 4 channel power amplifiers, with power per channel from 60 W to 460 W (on 100 V line), perfectly adapted to the needs of the work. The ease of selecting the power modules that best suit the loudspeakers in the installation and the high efficiency of class D minimize electrical energy consumption. Also, in the case of using emergency power supplies (with the F2DC series), the number of batteries required is reduced. 482.6 x 88.6 x 430 (2 u rack).