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QSC RMX-5050 2-Channel Power Amplifier (1050W per Channel into 8 Ohms)

B&H # QSRMX5050 Mfr # RMX5050
No Longer Available
Product Highlights
  • 3RU Design
  • Stereo and Bridge Modes
  • XLR, 1/4", and Barrier Strip Inputs
  • Speakon and Barrier Strip Outputs

The QSC RMX 5050 is a rackmount stereo power amplifier, outputting 1050 Watts per side at 8 Ohms. The unit is suited for a wide range of sound reinforcement applications including professional touring, club date and event performances, and mobile entertainment.

The RMX 5050 is based on a three-tier, Class H design, and is extremely efficient, requiring less AC current while utilizing the best available component upgrades to increase peak power.

The RMX 5050 features balanced 1/4" TRS, XLR and barrier strip inputs, binding posts and Neutrik Speakon(TM) outputs, and front-mounted gain controls, signal and clip LED indicators for monitoring the amplifier's performance during operation.

High output 2-channel power amplifier for club and touring P.A. applications
Advanced thermal performance delivering higher continuous power in 2-ohms stereo or 4-ohms bridged applications
Dual mono high-current power supply for increased reliability and performance, high-current toroidal transformers for greater two-ohm power and low noise
Functions in stereo/parallel/bridged mono modes
Full short circuit, open circuit, thermal, ultrasonic and RF protection
Front panel LED indicators for signal and clip, Front mounted easy-access gain controls
Selectable low-frequency filters (30 Hz or 50 Hz) for speaker protection and increased headroom
Independent, user-defeatable clip limiters for reduced distortion
Full-flow thermal design exhaust at the front, draws cool air into the rack
Balanced 1/4" TRS, XLR, and barrier strip inputs maximize flexibility, binding post and Neutrik Speakon(TM) outputs
Power Rating Rating @ 1 kHz, THD=0.1%
1800W @ 4Ω Stereo (per channel)
1100W @ 8Ω Stereo (per channel)
2500W @ 2Ω Stereo (per channel)
3600W @ 8Ω Bridged-Mono
5000W @ 4Ω Bridged-Mono

Rating @ 20 Hz - 20 kHz, THD=0.05%
2000W @ 2Ω Stereo (per channel)
1600W @ 4Ω Stereo (per channel)
1050W @ 8Ω Stereo (per channel)
3200W @ 8Ω Bridged-Mono
Damping Factor >250 (@ 8 Ohms)
Input Sensitivity 1.42 Vrms for 1050W @8 Ohms
Input Impedance 20 kOhms, balanced
10 kOhms, unbalanced
Gain 36dB
Frequency Response 20Hz - 20kHz, +0/-1dB (LF filter bypassed)
5Hz - 50kHz, +0/-3dB (LF filter bypassed)
Signal-to-Noise Ratio 100dB (20 Hz - 20 kHz, 8 Ohm load)
Total Harmonic Distortion (THD) <0.02%
Input Connections 2 x XLR female, balanced
2 x 1/4" TRS phone, balanced
2 x barrier strips
Output Connectors 2 x pair 5-way binding posts
2 x NL-4 Speakon
Controls Front Panel 2 x rotary Level Control knobs
1 x Power switch
Controls (Rear) 1 x 10-pole DIP switch featuring LF filter on/off, LF filter 30/50 Hz
1 x Clip Limiter on/off controls for each channel and switches for selecting Stereo, Parallel, or Bridge mode
Push-button circuit breaker for each channel
Indicators 1 x green Power On LED
2 x yellow Signal LEDs
2 x red Clip LEDs
Cooling 1 x variable-speed fan (back-to-front airflow)
Power Consumption 7 Amps (1/8 power pink noise @4 Ohms)
Power Requirements 100-120VAC, 60Hz
Dimensions 19 x 5.25 x 15.9" (483 x 89 x 404mm); 3RU
Weight 75 lbs (34.02kg)
Specialties Detented Level Attenuators
Comprehensive Protection Circuitry
On/Off Muting, DC-fault Power Supply Shutdown
QSC RMX-5050 2-Channel Power Amplifier (1050W per Channel into 8 Ohms)
  • AC Power Cord
  • 6-Year Limited Warranty
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    Usually ships in 7-14 business days i This item is usually Drop Shipped from the MFR/Distributor within 7-14 business days (subject to availability). Your order will be charged at the time of placing the order with the MFR.
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