Pema#8482; with its new sleek look, is a Protea-Equipped Media Amplifier-either 4 or 8-channel at 250 Watts or 125 Watts per channel. Pema is a matrix mixer-all Pema models have a full 8-in x 8-out matrix mixer, where any input can be assigned to any output or outputs. Pema is a digital signal processor. In addition to the full Protea#8482; suite of DSP settings, we have added four new features to Pema-gain sharing automatic microphone mixing, an automatic feedback suppressor, ambient noise detection and adjustment and a real-time clock with an event scheduler. Pema features Ashlys energy efficient Class-D amplifier topology with a switching power supply and is over 80% energy efficient out of the box. Maximize the energy efficiency of your audio system by using the event scheduler to either put the Pema in stand-by mode or turn it off completely. Pema is offered in separate Low-Z, 25V, 70V or 100V constant voltage models. Pema is also offered with 240V line voltage in either Low-Z or 100V output for International customers.