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).
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).
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).
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
Dimensions
N/A
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+)
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