QSC RMX Power Amplifier

Power your speakers with the QSC Power Amplifiers!

These compact size and QSC power makes it the perfect addition to your sound equipment. They feature front mounted gain control for easy access. Plus Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers. Each amplifier has a standard 3 year warranty!


Available in 200 Watts (A8RMXA), 280 Watts (A14RMXA), 500 Watts (A24RMXA), 850 Watts (A40RMXA) or 1100 Watts (A50RMXA).

Availability: Ready to Ship
SKU
QSC RMS PW AMP - PARENT
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SKU
Product
Price
Qty
QSC RMX 850A Power Amplifier
QSC RMX 850A Power Amplifier
A8RMXA
QSC RMX 850A Power Amplifier
$549.99
QSC RMX 1450A Power Amplifier
QSC RMX 1450A Power Amplifier
A14RMXA
QSC RMX 1450A Power Amplifier
$699.99
QSC RMX 2450A Power Amplifier
QSC RMX 2450A Power Amplifier
A24RMXA
QSC RMX 2450A Power Amplifier
$849.99
QSC RMX 4050A Power Amplifier
QSC RMX 4050A Power Amplifier
A40RMXA
QSC RMX 4050A Power Amplifier
$1,499.99
QSC RMX 5050A Power Amplifier
QSC RMX 5050A Power Amplifier
A50RMXA
QSC RMX 5050A Power Amplifier
$1,699.99
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Power your speakers with the QSC Power Amplifiers!

These compact size and QSC power makes it the perfect addition to your sound equipment. They feature front mounted gain control for easy access. Plus Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers. Each amplifier has a standard 3 year warranty!


Available in 200 Watts (A8RMXA), 280 Watts (A14RMXA), 500 Watts (A24RMXA), 850 Watts (A40RMXA) or 1100 Watts (A50RMXA).

More Information
SKU QSC RMS PW AMP - PARENT
Availability Ready to Ship
MPN QSC RMS PW AMP - PARENT
Features

Professional quality performance—incorporates road-proven QSC designs
The 4000 watt RMX 4050a operates on a standard 15 amp plug (120V)
Both the RMX 4050a and RMX 5050a feature a dual mono, high-current power supply for increased reliability and performance
The RMX 4050a provides improved thermal performance yielding higher continuous power in 2 ohm stereo or 4 ohm bridged applications.
Compact size — up to 2500 watts in 2 rack spaces or 5000 watts in 3 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
Balanced 1/4” (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 to monitor 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

Technical Specifications
  RMX 850a RMX 1450a RMX 2450a RMX 4050a RMX 5050a
Stereo Mode (both channels driven) 185 W 260 W 450 W 800 (650**) W 1050 W
           
8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD 200 W 300 W 500 W 850 W 1100 W
           
8Ω/ EIA 1 kHz / 0.1% THD 280 W 400 W 650 W 1300 W 1600 W
           
4Ω/ FTC 20 Hz – 20 kHz / 0.1% THD 300 W 500 W (0.5% THD) 750 W 1400 W 1800 W
           
4Ω/ EIA 1 kHz / 0.1% THD 1600 W 2000 W
           
2Ω/ FTC 20 Hz – 20 kHz / 1% THD 430 W 700 W 1200 W 2000 W 2500 W
           
2Ω/ EIA 1 kHz / 1% THD          
Bridge-Mono Mode 530 W 800 W 1300 W 2600 W 3200 W
           
8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD 600 W 900 1500 W 2800 W 3600 W
           
8Ω/ EIA 1 kHz / 0.1% THD 830 W 1400 W 2400 W 4000 W 5000 W
           
4Ω/ EIA 1 kHz / 1% THD          
Signal to Noise (20 Hz – 20 kHz) 8Ω > -100 dB > -100 dB > -100 dB > -100 dB > -100 dB
Distortion (SMPTE-IM) < 0.01% < 0.01% < 0.02% < 0.02% < 0.02%
Input Sensitivity at 8Ω 1.15V (+3.4dBu) 1.15V (+3.4 dBu) 1.23V (+4.0 dBu) 1.42V (+5.3 dBu) 1.42V (+5.3 dBu)
Voltage Gain 31.6x (30 dB) 40x (32 dB) 50x (34 dB) 64x (36 dB) 64x (36 dB)
Output Circuitry Class AB Class AB 2-tier Class H 3-tier Class H 3-tier Class H
Power Requirements 4.5 A 6.0 A 6.3 A 10.0 A 13.9 A
           
Typical, 1/8 power pink noise at 4Ω* 6.6 A 9.6 A 15.6 A 20.1 A 26.9 A
           
Severe, 1/3 power pink noise at 4Ω*          
Supplied Plug Type, 100/120V NEMA 5-15 NEMA 5-15 NEMA 5-15 NEMA 5-15 NEMA 5-20
Supplied Plug Type, 230V CEE7/7 CEE7/7 CEE7/7 CEE7/7 CEE7/7
Weight 35 lb (15.9 kg) 40 lb (18.2 kg) 44.5 lb (20.2 kg) 68 lb (30.8 kg) 75 lb (33.1 kg)
           
Net 41 lb (18.6 kg) 46 lb (20.9 kg) 50.5 lb (23 kg) 77 lb (34.9 kg) 87 lb (37.2 kg)
           
Shipping          
Distortion (typical)          
20 Hz – 20 kHz: 10 dB below rated power < 0.03% THD / 4Ωand 8Ω < 0.02% THD / 4Ωand 8Ω
1.0 kHz and below: full rated power < 0.03% THD / 4Ωand 8Ω < 0.02% THD / 4Ωand 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 10k ohms unbalanced / 20k ohms balanced
Input Clipping 10 Vrms (+22 dBu) 6.4 Vrms (+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 / Ch. 1 & 2 gain knobs
  Rear: 10-position DIP switch
Indicators Power-on: Green LED / Signal: Yellow LED (1 per channel) / Clip: Red LED (1 per channel) | Protect: Red LED
Amplifier Protection Full short circuit, open circuit, thermal, 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 3.5” (8.9 cm) tall / 2 rack spaces 5.25” (13.3 cm) tall / 3 rack spaces
Power Requirements 100, 120, 230 VAC, 50 – 60 Hz (factory configured)
Dimensions N/A
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