QSC RMX 4050a Professional Power Amplifier
The QSC RMX 4050a is a heavy-duty professional power amplifier designed for demanding sound reinforcement applications. It delivers up to 2,000 watts per channel at 2 ohms and 4,000 watts in bridged 4-ohm operation, with a three-tier Class H output design, high-current power supply, and comprehensive amplifier protection.
Key Features
- 4,000W Bridged 4Ω Output
- 2,000W per Channel at 2Ω
- Three-Tier Class H Output Design
- High-Current Toroidal Power Supply
QSC Certified Expertise
Knowledgeable Support for QSC Products
HDTV Supply has QSC Level 1 certified expertise. Our team has completed QSC Level 1 Training, demonstrating foundational knowledge of the QSC platform, including system design, hardware and software, programming, and troubleshooting.
This training helps us provide knowledgeable product guidance when customers are selecting and deploying Q-SYS solutions. When you purchase Q-SYS products from HDTV Supply, you are working with a team that understands the Q-SYS platform and can help you make informed product and system decisions.
Why not buy this QSC RMX 4050a Professional Power Amplifier today?
Ask a Question
Have a question about the QSC RMX 4050a Professional Power Amplifier? Our team is here to help.
Specifications
| Model | RMX 4050a |
|---|---|
| Product Type | Professional Power Amplifier |
| Output Circuitry | Three-Tier Class H |
| 8Ω Stereo, FTC | 800W per channel |
| 8Ω Stereo, EIA | 850W per channel |
| 4Ω Stereo, FTC | 1,300W per channel |
| 4Ω Stereo, EIA | 1,400W per channel |
| 2Ω Stereo, FTC | 1,600W per channel |
| 2Ω Stereo, EIA | 2,000W per channel |
| 8Ω Bridged, FTC | 2,600W |
| 8Ω Bridged, EIA | 2,800W |
| 4Ω Bridged, EIA | 4,000W |
| Signal-to-Noise Ratio | >100 dB, 20Hz–20kHz, 8Ω |
| SMPTE-IM Distortion | <0.02% |
| Input Sensitivity at 8Ω | 1.42V (+5.3 dBu) |
| Voltage Gain | 64× (36 dB) |
| Input Impedance | 10kΩ unbalanced / 20kΩ balanced |
| Frequency Response | 20Hz–20kHz, +0/-1 dB |
| Extended Frequency Response | 5Hz–50kHz with LF filter bypassed |
| Damping Factor | >250 at 8Ω |
| Cooling | Continuously variable-speed fan, back-to-front airflow |
| Inputs | Balanced 1/4-inch TRS, XLR, and barrier strip |
| Outputs | Touch-proof binding posts and Neutrik Speakon® |
| Front Controls | AC switch and Channel 1 & 2 gain controls |
| Rear Controls | 10-position DIP switch |
| Indicators | Power, Signal, Clip, and Protect LEDs |
| Amplifier Protection | Short circuit, open circuit, thermal, ultrasonic, and RF protection |
| Load Protection | Turn-on/off muting and load protection circuitry |
| Chassis Height | 5.25 in (13.3 cm) |
| Rack Space | 3 Rack Spaces |
| Net Weight | 68 lb (30.8 kg) |
| Shipping Weight | 77 lb (34.9 kg) |
| Power Requirements | 100, 120, or 230 VAC, 50–60 Hz, factory configured |
| 120V Plug | NEMA 5-15 |
How much power does the QSC RMX 4050a provide?
A: The RMX 4050a delivers 2,000 watts per channel at 2Ω and 4,000 watts in bridged 4Ω operation.
What is the QSC RMX 4050a used for?
A: It is a professional power amplifier designed for demanding sound reinforcement applications, including professional touring, performing musicians, and mobile entertainment.
Can the RMX 4050a operate at 2 ohms?
A: Yes. The RMX 4050a provides up to 2,000 watts per channel at 2Ω under the EIA 1kHz specification.
How much power does the RMX 4050a provide at 4 ohms?
A: It provides 1,400 watts per channel at 4Ω under the EIA 1kHz specification and 4,000 watts in bridged 4Ω operation.
What class amplifier is the RMX 4050a?
A: The RMX 4050a uses a three-tier Class H output design.
How many rack spaces does the RMX 4050a require?
A: The RMX 4050a requires three rack spaces.
What inputs are available on the RMX 4050a?
A: The amplifier provides balanced 1/4-inch TRS, XLR, and barrier-strip inputs.
What speaker outputs does the RMX 4050a have?
A: Outputs include touch-proof binding posts and Neutrik Speakon® connectors.
Does the RMX 4050a have built-in protection?
A: Yes. Protection includes short-circuit, open-circuit, thermal, ultrasonic, and RF protection.
What is the shipping weight of the RMX 4050a?
A: The QSC specification sheet lists a shipping weight of 77 lb (34.9 kg).
Is the QSC RMX 4050a suitable for high-power professional sound systems?
A: Yes. Its high output capability, three-tier Class H design, high-current power supply, and protection features make it suitable for demanding professional sound reinforcement applications.
How powerful is the QSC RMX 4050a in bridged mode?
A: The RMX 4050a produces 4,000 watts at 4Ω in bridged mode under the EIA 1kHz, 1% THD specification.
What is the voltage gain of the RMX 4050a?
A: The RMX 4050a has a voltage gain of 64×, equivalent to 36 dB.
Does the RMX 4050a have variable-speed cooling?
A: Yes. The amplifier uses a continuously variable-speed fan with back-to-front airflow.
What warranty does the QSC RMX 4050a include?
A: The QSC RMX 4050a includes a 3-year limited warranty.
Why not buy this QSC RMX 4050a Professional Power Amplifier today?
Warranty
The QSC RMX 4050a is covered by a 3-year limited warranty. Warranty coverage is subject to QSC's current warranty terms and conditions.
Reviews
Have you used the QSC RMX 4050a Professional Power Amplifier? Share your experience to help other customers choose the right professional amplifier for their sound system.
QSC® Catalog
See every QSC® and Q-SYS® product we carry, with specs, videos, Q&A and pricing, all in one catalog. Sold by HDTV Supply.
