QSC RMX4050A DJ / Club Professional Power Amplifier 4000 Watts Amp

QSC RMX4050A DJ / Club Professional Power Amplifier 4000 Watts Amp

QSC Audio

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SKU:
QSC RMX4050A T.C.
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UPC:
684284062864
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QSC RMX4050a 2 channels, 850w /ch @ 8-Ohm, 1400w /ch @ 4-Ohm, 2000w /ch @ 2-Ohm, 4000w /ch @ 4-Ohm (bridged)

With 1400 watts per channel into 4 Ω and 2000 into 2 Ω, all in a chassis that is less than 16" deep, the RMX4050a is perfectly suited for performing musicians. The RMXa Series is an update on a proven line of amplifiers

Features

  • Compact size — up to 2500 watts in two rack spaces, or 5000 watts in three rack spaces

  • High-current toroidal transformers, for greater 2-ohm power and low noise

  • Independent user-defeatable clip limiters reduce distortion

  • Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom

  • The 4000-watt RMX4050a operates on a standard 15 amp plug (120V)

  • Both the RMX4050a and the RMX5050a feature a dual mono, high-current power supply for increased reliability and performance

  • The RMX4050a's particularly exceptional combination of cooling capacity and electrical efficiency provides robust thermal performance suitable for high continuous power in 2-ohm stereo or 4-ohm bridged applications.

  • Balanced 1/4-inch (6.3 mm) TRS, XLR, and barrier strip inputs

  • Touch-proof binding post and Neutrik Speakon® outputs

  • Front mounted gain controls for easy access

  • Signal and clip LED indicators for monitoring performance

  • Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers

  • 3-year warranty plus optional 3-year extended service contract

 Model RMX 850a RMX 1450a RMX 2450a RMX 4050a RMX 5050a
Power per Channel, Stereo Mode (both channels driven)
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD
  • 185 W
  • 260 W
  • 450 W
  • 800 (650**) W
  • 1050 W
8Ω, EIA 1 kHz, 0.1% tdD
  • 200 W
  • 300 W
  • 500 W
  • 850 W
  • 1100 W
4Ω, FTC 20 Hz–20 kHz, 0.1% tdD
  • 280 W
  • 400 W
  • 650 W
  • 1300 W
  • 1600 W
4Ω, EIA 1 kHz, 0.1% tdD
  • 300 W
  • 500 W (0.5% tdD)
  • 800 W
  • 1400 W
  • 1800 W
2Ω, FTC 20 Hz–20 kHz, 1% tdD
  • 1600 W
  • 2000 W
2Ω, EIA 1 kHz, 1% tdD
  • 430 W
  • 700 W
  • 1200 W
  • 2000 W
  • 2500 W
Power, Bridge-Mono Mode
8Ω, FTC 20 Hz–20 kHz, 0.1% tdD
  • 530 W
  • 800 W
  • 1300 W
  • 2600 W
  • 3200 W
8Ω, EIA 1 kHz, 0.1% tdD
  • 600 W
  • 900 W
  • 1500 W
  • 2800 W
  • 3600 W
4Ω, EIA 1 kHz, 1% tdD
  • 830 W
  • 1400 W
  • 2400 W
  • 4000 W
  • 5000 W
Signal to Noise (20 Hz–20 kHz)
  • -100 dB
Distortion (SMPTE-IM)
  • < 0.01%
< 0.02%
Input Sensitivity at 8Ω
  • 1.15V (+3.4dBu)
  • 1.23V
  • (+4.0 dBu)
  • 1.42V (+5.3 dBu)
Voltage Gain
  • 31.6x (30 dB)
  • 40x (32 dB)
  • 50x (34 dB)
  • 64x (36 dB)
Output Circuitry
  • Class AB
2-tier Class H 3-tier Class H
Current Draw (120 V AC)
Typical, 1/8 power pink noise at 4Ω*
Severe, 1/3 power pink noise at 4Ω*
  • 4.5 A
  • 6.6 A
  • 6.0 A
  • 9.6 A
  • 6.3 A
  • 15.6 A
  • 10.0 A
  • 20.1 A
  • 13.9 A
  • 26.9 A
AC Mains Plug
100/120V
230V
  • NEMA 5-15
  • CEE7/7

NEMA 5-20
CEE7/7
Weight
Net
Shipping

  • 15.9 kg / 35 lb
  • 18.6 kg / 41 lb
  • 18.2 kg / 40 lb
  • 20.9 kg / 46 lb
  • 20.2 kg / 44.5 lb
  • 23 kg / 50.5 lb
  • 30.8 kg / 68 lb
  • 34.9 kg / 77 lb
  • 33.1 kg / 75 lb
  • 37.6 kg / 87 lb
Distortion (typical)
20 Hz–20 kHz, 10 dB below rated power
1 kHz and below, full rated power

  • < 0.03% tdD, 4Ω and 8Ω
  • < 0.03% tdD, 4Ω and 8Ω
  • < 0.02% tdD, 4Ω and 8Ω
  • < 0.02% tdD, 4Ω and 8Ω
Frequency Response
  • 20 Hz–20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed, 8Ω)
Damping Factor (1 kHz and below)
  • > 300 at 8Ω
> 250 at 8Ω
Input Impedance
  • 10 kΩ unbalanced; 20 kΩ balanced
Input Stage Clipping
  • 10 V rms (+22 dBu)
6.4 V rms (+18 dBu)
Cooling
  • Continuously variable speed fan, back-to-front air flow
Connectors (each channel)
  • Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+)
  • Output: Touch-proof binding posts; Neutrik Speakon®
Controls
  • Front: AC switch; Channel 1 & 2 gain knobs
  • Rear: 10-position DIP switch
LED Indicators
  • Power on: Green; Signal: Yellow (1 per channel); Clip/Protect: Red (1 per channel)
Amplifier Protection
  • Full short circuit, open circuit, tdermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
Load Protection
  • Turn-on/off muting; AC coupling (850, 1450); Triac crowbar (1850HD, 2450, 4050HD, 5050) on each channel
Dimensions
  • 610 × 560 × 153 mm
  • 24 × 22 × 6 in
610 × 560 × 229 mm

24 × 22 × 9 in
Power Requirements
  • 100, 120, 230 V AC (factory configured), 50–60 Hz
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