Pricing and availability

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Average Price: $2,300

High-end/Boutique

$299

$1500+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "QSC RMX5050 Professional Power Amplifier". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The QSC RMX5050 Professional Power Amplifier is a powerhouse for any live sound or stage setup, blending robust performance with flexibility. Designed for musicians and audio professionals who demand reliability, this amplifier delivers tour-quality power and pristine sound clarity. Whether you're performing at a local venue or controlling a full-scale production, the RMX5050 integrates effortlessly into your setup with its versatile input options, including both XLR and 1/4" balanced inputs.

Engineered with a compact chassis less than 16 inches deep, the RMX5050 is perfect for conserving precious rack space, allowing for a tidy and efficient equipment setup. The amplifier features a switchable low-cut filter, giving you the power to optimize sound for either subwoofers or main speakers. Set at 30Hz, it enhances your subwoofer's low-frequency response while filtering out unnecessary sub-sonics. Alternatively, the 50Hz setting ensures dynamic, full-range sound for main speakers while maintaining a tight low-end.

With front-mounted gain controls and signal/clip LED indicators, managing your sound levels is straightforward, even during the most energetic performances. The amplifier's independent DC and thermal overload protection automatically safeguards the equipment, ensuring that both the amplifier and connected speakers remain protected against unexpected signal spikes.

Key Features:

  • Stereo or bridged-mono power amplifier
  • Compact chassis under 16" deep, maximizing rack space
  • XLR and 1/4" balanced inputs with binding posts and speakON outputs
  • Front-mounted gain controls for easy signal level access
  • Switchable 30Hz/50Hz low-cut filter for optimized sound
  • Signal and Clip LED indicators for quick performance monitoring
  • Independent DC and thermal overload protection per channel
  • Defeatable clipping limiter to protect speakers from signal spikes

Product specs

Brand QSC
Model RMX5050 Professional Power Amplifier
Year 2000s
Categories Power Amplifiers

FAQs

What is the power output of the QSC RMX5050 amplifier?

The QSC RMX5050 delivers 1050 Watts per channel at 8 Ohms, making it suitable for a variety of professional sound reinforcement applications, including touring and club performances.

What class design does the QSC RMX5050 use?

The RMX5050 utilizes a three-tier, Class H design, which enhances efficiency and reduces AC current requirements while providing high peak power performance.

Is the QSC RMX5050 amplifier suitable for live sound applications?

Yes, the QSC RMX5050 is designed for live sound applications, offering robust performance for professional touring, club dates, and mobile entertainment setups.

How does the QSC RMX5050 handle power efficiency?

The RMX5050's Class H design allows it to operate efficiently by reducing power consumption and heat generation, which is ideal for demanding live sound environments.

Can the QSC RMX5050 be used in a rackmount setup?

Yes, the QSC RMX5050 is designed as a rackmount stereo power amplifier, making it easy to integrate into existing sound system racks for streamlined installations.

Electronic Artis

Electronic Artis

RMX5050 professional power amplifier test

Video thumbnail for RMX5050  professional power amplifier test by Electronic Artis

RMX5050 professional power amplifier test

Electronic Artis

Electronic Artis

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about QSC RMX5050 Professional Power Amplifier.

Setup and maintenance

  • Cleaning the pots with Deoxit D5 and blowing out dust can resolve channel imbalance issues and improve performance.

    Source
  • Excess dust can lead to overheating, causing components to enter thermal protection mode, reducing power output.

    Source
  • Periodic cleaning every 3 months is recommended to prevent overheating and maintain efficiency.

    Source

Mods and upgrades

  • Some users have soldered pot pins together to bypass faulty pots, locking channels at full output.

    Source

User experience

  • Owners report dust accumulation due to front vent design, emphasizing the need for regular maintenance.

    Source

Use cases and applications

  • Despite age, the RMX5050 is considered robust and suitable for demanding environments like churches.

    Source

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