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QSC RMX4050a 2000W Professional Low-Z Power Amplifier

was $2,148.79 Special Price $1,799.99
SKU
1899

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” (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

Connectors
Input (active balanced): 2 x 3-pin Euro-style detachable terminal block
2 x 3-Pin XLR (pin 2+)

Output: 2 x touch-proof binding posts
2 x Neutrik Speakon connectors
Stereo FTC Power
8Ω / FTC 20 to 20,000 Hz / 0.1% THD: 800 W (650 W @ 1 1.0 kHz sine wave, 1% THD, 1 channel driven)
8Ω / EIA 1,000 Hz / 0.1% THD: 850 W
4Ω / FTC 20 to 20,000 Hz / 0.1% THD: 1300 W
4Ω / EIA 1,000 Hz / 0.1% THD: 1400 W
2Ω / FTC 20 to 20,000 Hz / 1% THD: 1600 W
2Ω / EIA 1,000 Hz / 1% THD: 2000 W
Bridge
8Ω / FTC 20 to 20,000 Hz / 0.1% THD: 2600 W
8Ω / EIA 1 kHz / 0.1% THD: 2800 W
4Ω / EIA 1 kHz / 1% THD: 4000 W
Signal to Noise Ratio
> - 100 dB (20 to 20,000 Hz at 8 Ω)
Distortion
SMPTE-M: < 0.02%
Typical: 20 Hz to 20 kHz 10 dB below rated power < 0.02% THD / 4 Ω and 8 Ω
1.0 kHz and below full rated power 0.02% THD / 4 Ω and 8 Ω
Input Sensitivity @ 8 ohms
1.42 V (5.3 dBu)
Voltage Gain
64x (36 dB)
Output Circuit
3-tier Class H
Power Requirements
Typical, 1/8 Power Pink Noise at 4Ω: 10.0 A
Severe, 1/3 Power Pink Noise at 4Ω: 20.1 A
Plug Type
Supplied: NEMA 5-15 (100 / 120 V)
CEE7/7 (230 V)
Frequency Response
20 Hz to 20 kHz: 0/-1 dB
-3 dB Points: 5 Hz and 50 kHz (LF filter bypassed / 8 Ω)
Damping Factor
> 250 at 8Ω (1,000 Hz and below)
Input Impedance
10 kΩ unbalanced / 20 kΩ balanced
Input Clipping Level
6.4 Vrms (+18 dBu)
Cooling
Continuously variable speed fan, back-to-front air flow
Controls
Front: AC switch / channel 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
Protection
Amplifier: Stable into reactive or mismatched loads
Load: On/off muting, Triac crowbar on each channel
Current Consumption
@ 120 V


Typical: 14.5 A, Full: 30.6 A, Maximum: 65.7 A


Typical: 10.0 A, Full: 20.1 A, Maximum: 42.2 A


Typical: 6.4 A, Full: 12.5 A, Maximum: 25.5 A
Power Requirement
100, 120, 230 VAC, 50 to 60 Hz (factory configured)
Dimensions (H x W x D)
5.2 x 19.0 x 15.9" (132.0 x 483.0 x 404.0 mm)
Weight
68.0 lb (30.8 kg)
Packaging Info
Package Weight
79.8 lb
Box Dimensions (LxWxH)
23.858 x 21.811 x 8.189"

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