The RMX Series amplifiers give you clean, dynamic power with the legendary QSC sound quality and reliability that pros depend on. The RMX Series deliver unmatched performance at a breakthrough price. The QSC RMX 850 Power Amp combines their rugged high-output designs with the latest circuit technology to deliver unmatched performance at a breakthrough price. The RMX amps require only 2 rackspaces and feature 1/4" TRS, XLR, and barrier strip balance inputs; binding post and Neutrik Speakon outputs; front-mounted gain controls for easy access; independent and defeatable clip limiters; selectable low-frequency filters (30Hz or 50Hz) that protect speakers and increase headroom; signal and clip LED indicators; independent DC and thermal overload protection on each channel; variable-speed fan. The RMX850 delivers per channel: 200W @ 8 ohms, 300W @ 4 ohms, 430W @ 2 ohms. Bridge mono: 600W @ 8 ohms, 830W @ 4 ohms. 3-year warranty.