Simplicity itself, the front panel has a power button and vents . The rear panel has dual speaker wire binding posts, remote trigger inputs, a switch to select balanced or unbalanced inputs, and a power cord receptacle. The considerable heft of this amp aside, one gets the immediate impression from “power on” that the Rotel RB-1590 will be one stone cold keeper. Class AB Power Amplifier 350W x 2 with Balanced XLR Input
The RB-1590 is at the top of its class as a 2 x 350 Watts stereo amplifier with dual toroidal transformers and special slit foil capacitors.