Ashly Pema 4125.70 70V Media AmplifierIn many system installations, you can replace an entire rack of pro audio gear with a single Pma. This Protea equipped media amplifier is 4 channels with 125W per channel. Pma is a matrix mixer with a full 8 in x 8 out matrix mixer, (any input can be assigned to any output or outputs). Pma is a digital signal processor with the full Protea suite of DSP settings. Then we added gain sharing automatic microphone mixing, an automatic feedback suppressor,