The IT-42 is an output isolation transformer accessory for the QSC CX302 amplifier, allowing it to drive two 25-, 70-, and 100-volt distributed lines in stereo or parallel, or a single 140- or 200-volt line in bridged mono. It mounts conveniently to the back of the amplifier and requires no additional rack space.
In stereo or parallel modes, the two distributed lines may be loaded at up to 400 watts each. In bridged mono, the distributed line may be loaded at up to 800 watts.