Elevate your live sound setup with the QSC RMX850a RMXa Series Rack-Mounted Power Amp—a powerhouse designed for reliability and flexibility in any performance situation. Whether you’re hitting the stage at a local gig or setting up for a large-scale event, this amplifier delivers clear, robust sound that you can depend on. Its versatile design allows you to choose between stereo or bridged-mono configurations, adapting to your specific audio needs.

The RMX850a is built with high-current toroidal transformers, ensuring low noise and superb performance, even when driving a 2-ohm load. Its front-to-rear cooling vents keep the unit running efficiently under pressure, while the independent user-defeatable clip limiters help maintain audio integrity by reducing distortion. For added convenience, the front panel features two easily accessible gain control knobs.

With both XLR and 1/4-inch balanced inputs alongside Neutrik Speakon and binding post outputs, integrating this amp into your existing setup is a breeze. The switchable low-cut filters at 30Hz and 50Hz offer the flexibility to optimize headroom and protect your speakers from unwanted low-frequency interference. Each channel is equipped with dedicated DC and thermal overload protection, ensuring both the amplifier and your speakers are safeguarded.

Key Features:

• 300W per channel at 4 ohms, stereo or bridged-mono operation
• Balanced 1/4 inch TRS, XLR, and barrier strip inputs
• Neutrik Speakon and touch-proof binding post outputs
• Independent user-defeatable clip limiters
• Switchable low-cut filters at 30Hz or 50Hz
• Front-mounted gain controls and LED indicators for signal and clip monitoring
• Independent DC and thermal overload protection per channel

Product specs

FAQs

What kind of power output can I expect from the QSC RMX850a Power Amplifier?

The QSC RMX850a delivers 300 watts per channel at 4 ohms and 430 watts per channel at 2 ohms. It also offers 830 watts in bridged mode at 4 ohms, making it suitable for various live sound applications.

Does the QSC RMX850a Power Amplifier have built-in protection features?

Yes, the QSC RMX850a includes full short circuit, open circuit, thermal, ultrasonic, and RF protection, ensuring reliable performance and safeguarding against potential damage.

What are the input and output options for the QSC RMX850a Power Amplifier?

The QSC RMX850a features 2 XLR and 2 1/4" TRS inputs, as well as 2 binding post and 2 speakON outputs, providing versatile connectivity for various setups.

Is the QSC RMX850a suitable for rack mounting?

Yes, the QSC RMX850a is a 2U rack-mountable amplifier, designed for easy integration into standard rack systems, making it ideal for both permanent installations and portable setups.

How does the cooling system work in the QSC RMX850a Power Amplifier?

The QSC RMX850a utilizes a continuously variable speed fan with back-to-front airflow, effectively maintaining optimal operating temperatures during extended use.