This QSC RMX850 power amplifier offers high - power performance. It delivers 200 watts per channel at 8 ohms, 300 watts per channel at 4 ohms, and 430 watts per channel at 2 ohms. When bridged at 4 ohms, it can reach 830 watts. It comes with XLR, 1/4' and bare wire inputs, and NL4 and bare wire outputs. A correct power supply is included.

Using the QSC RMX850 power amplifier is easy. First, connect your audio source to the XLR, 1/4' or bare wire inputs. Then, connect your speakers to the NL4 or bare wire outputs. Make sure to use the correct power supply that comes with the amplifier. When using, avoid overloading the amplifier. Don't exceed the power limits mentioned in the product description. For maintenance, keep the amplifier in a cool and dry place. Regularly clean the exterior with a soft, dry cloth. If you notice any problems, stop using it immediately and consult a professional.