QSC RMX 5050a Professional High-Power Stereo Amplifier – 5,000 Watts Bridged  (NEW IN BOX) Note: Website only allows me to select Excellent Condition, however this Unit being sold here is (Brand New in Box).

FLAGSHIP MODEL OF THE QSC RMX SERIES – PROFESSIONAL HIGH-CURRENT POWER AMPLIFIER

The QSC RMX 5050a is the highest-powered model in QSC's legendary RMX amplifier lineup, engineered to deliver exceptional output power, outstanding sound quality, and dependable performance in demanding professional audio environments.

Designed for professional DJs, touring sound companies, live performance venues, mobile entertainment systems, and high-powered PA installations, the RMX 5050a combines rugged construction with QSC's proven amplifier technology.

Delivering up to 2,500 watts per channel at 2 ohms or an impressive 5,000 watts in bridged mono operation at 4 ohms, this amplifier provides the substantial power and headroom required for demanding sound reinforcement applications.

PROFESSIONAL POWER OUTPUT SPECIFICATIONS

Stereo Mode – Both Channels Driven

Continuous average output power, FTC ratings:

• 8 Ohms: 1,050 watts per channel (20 Hz–20 kHz, 0.1% THD)
• 4 Ohms: 1,600 watts per channel (20 Hz–20 kHz, 0.1% THD)
• 2 Ohms: 2,000 watts per channel (20 Hz–20 kHz, 1% THD)

EIA 1 kHz power ratings:

• 8 Ohms: 1,100 watts per channel (0.1% THD)
• 4 Ohms: 1,800 watts per channel (0.1% THD)
• 2 Ohms: 2,500 watts per channel (1% THD)

Bridged Mono Mode

• 8 Ohms: 3,200 watts (FTC, 20 Hz–20 kHz, 0.1% THD)
• 8 Ohms: 3,600 watts (EIA, 1 kHz, 0.1% THD)
• 4 Ohms: 5,000 watts (EIA, 1 kHz, 1% THD)

These are manufacturer-published power ratings, not exaggerated peak or marketing wattage figures.

ADVANCED THREE-TIER CLASS H AMPLIFIER DESIGN

The RMX 5050a utilizes an advanced three-tier Class H output architecture designed to improve efficiency while maintaining powerful, clean audio reproduction.

Its heavy-duty, high-current toroidal transformer and dual-mono power supply architecture provide substantial power delivery for demanding loudspeaker loads.

This professional design delivers:

• Excellent dynamic headroom
• Strong low-frequency performance
• High current delivery
• Reduced wasted power compared with conventional Class AB designs
• Reliable operation under demanding professional workloads
• Stable performance with appropriately configured low-impedance speaker loads

PROFESSIONAL FEATURES

High-Current Power Supply

Heavy-duty toroidal transformer technology supports demanding speaker systems and high-output audio applications.

Independent Channel Gain Controls

Front-panel gain controls allow independent adjustment of Channel 1 and Channel 2.

Selectable Operating Modes

Supports stereo, parallel-input, and bridged mono operation for flexible system configurations.

Built-In Clip Limiters

Selectable clip limiters help reduce excessive distortion when the amplifier is driven near its output limits.

Selectable Low-Frequency Filters

Switchable 30 Hz and 50 Hz low-frequency filtering helps reduce unwanted subsonic content, protect loudspeakers, and improve available headroom.

Professional Cooling System

Continuously variable-speed fan cooling with rear-to-front airflow helps maintain operating temperatures during extended use.

Comprehensive Protection Circuitry

Includes protection against:

• Short circuits
• Open circuits
• Thermal overload
• Ultrasonic signals
• Radio-frequency interference
• DC output faults

Professional Audio Connections

• Balanced XLR inputs
• Professional speaker binding-post outputs
• Neutrik Speakon speaker outputs
• Additional balanced input terminal connections

AUDIO PERFORMANCE SPECIFICATIONS

• Amplifier Type: Professional Two-Channel Power Amplifier
• Amplifier Class: Three-Tier Class H
• Frequency Response: 20 Hz–20 kHz, +0/-1 dB
• Extended Frequency Response: 5 Hz–50 kHz (-3 dB)
• Damping Factor: Greater than 250 at 8 ohms
• Signal-to-Noise Ratio: Approximately 100 dB below rated output
• Voltage Gain: 64x (36 dB)
• Input Sensitivity: 1.42V RMS (+5.3 dBu)
• Balanced Input Impedance: 20 kOhms
• Unbalanced Input Impedance: 10 kOhms
• Cooling: Continuously Variable-Speed Fan
• Operating Modes: Stereo, Parallel, Bridged Mono

PHYSICAL SPECIFICATIONS

• Manufacturer: QSC Audio
• Model: RMX 5050a
• Series: RMX
• Rack Mounting: Standard 19-Inch Rack
• Rack Height: 3U
• Width: 19 Inches
• Height: 5.25 Inches
• Depth: 15.9 Inches
• Net Weight: Approximately 75 Pounds
• Manufacturer-Listed Shipping Weight: Approximately 87 Pounds

Electrical Requirements: Factory-configured AC input. The 120V version uses a NEMA 5-20 power connection and requires a compatible 20-amp electrical supply.

IDEAL APPLICATIONS

The QSC RMX 5050a is an excellent amplifier for:

• Professional DJ Sound Systems
• Live Concert Sound Reinforcement
• High-Powered Passive PA Speakers
• Professional Subwoofer Systems
• Touring and Mobile Sound Systems
• Nightclubs and Entertainment Venues
• Houses of Worship
• Large Event Sound Systems
• Permanent Professional Audio Installations

WHY CHOOSE THE QSC RMX 5050a?

The RMX 5050a is a serious professional amplifier built for users who demand substantial power and proven performance.

Its high-current transformer design, powerful Class H output stage, professional connectivity, and comprehensive protection features make it a compelling choice for professional sound reinforcement.

Unlike lightweight amplifiers designed primarily for portability, the RMX 5050a emphasizes a traditional heavy-duty power supply and rugged construction.

With up to 5,000 watts of manufacturer-rated bridged output power, it stands at the top of the QSC RMX series.

QSC RMX 5050a – Professional Power, Proven Engineering, and High-Output Performance.

CONDITION AND INCLUDED ITEMS

Condition: New In Box

Included: amplifier, power cord, and any included accessories