The QSC RMX 850a Power Amplifier provides professional sound quality and reliability for small systems! With 300W per channel at 4 ohms, the RMX 850a is perfect for powering most of the small speakers that are available today. Connections include XLR, 1/4 inch and barrier strip inputs as well as Speakon and binding post outputs for easy integration into your system. QSC also gives this power amp user-defeatable clip limiters and selectable low-frequency filters optimize sonic performance.