The QUBE HCR 12-22 is a 2 space rack mount unit designed to accommodate and power either two SP 22D or two SP 22 DS processors or one SP 22 D and one SP 22 DS processors. It includes all the necessary connectors for the correct interfacing of the processors to the amplifiers. The rear panel of the HCR 12-22 processor is equipped with 12 connectors (6 for amplifier #1 and 6 for amplifier #2).
Two XLR-M (CH1 / CH2) provide the outputs for the balanced and processed signal outputs for connection to the amplifiers inputs and two “Sensing” Speakon jacks are provided to which the amplifier power outputs are to be connected and two "Link" Speakons for connection of the loudspeakers.