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QSC RMX4050a 2000W Professional Low-Z Power Amplifier
QSC RMX4050a 2000W Professional Low-Z Power Amplifier
B&H # QSRMX4050A MFR # RMX4050A
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2-4 weeks
Product Highlights
- 850W per Channel at 8Ω
- 1400W per Channel at 4Ω
- 2000W per Channel at 2Ω
- Independent User-Defeatable Limiters
- Selectable 30 and 50 Hz Low Pass Filters
- Signal and Clip LED Indicators
- 2800W Bridged at 8Ω
- 3RU
- Less than 16" Deep
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QSC RMX4050A overview
- 1Description
The QSC RMX4050a 2000W Professional Low-Z Power Amplifier is a 3RU unit designed for high power live sound reinforcement applications. The amplifier features both XLR and 1/4" balanced inputs as well as Speakon and touch-proof binding post output connectors. The integrated user-defeatable clip limiters and selectable low-frequency filters allow you to adjust the amplifier to your application.
The amplifier is rated at 850W per channel at 8Ω from 20 to 20,000 Hz, 1400W per channel at 4Ω from 20 to 20,000 Hz, 2000W per channel at 2Ω from 20 to 20,000 Hz, and 2800W in bridge mono mode at 8Ω from 20 to 20,000 Hz.
This unit is less than 16" deep and features a three-tier Class H output circuit design for efficient power management. As a result, less AC current is wasted and more available current is utilized for amplification.
- 2000W amplifier features a dual mono, high-current power supply for increased reliability and performance
- Improved thermal performance yielding higher continuous power in 2Ω stereo or 4Ω bridged applications
- Compact 3RU size
- High-current toroidal transformers for increased 2Ω power and lower noise
- Independent user-defeatable clip limiters reduce distortion
- Selectable low-frequency filters (30 or 50 Hz) protect speakers and increase headroom
- Balanced 1/4" (6.3mm) 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 performance monitoring
- Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
- 4000W amplifier operates on a standard 15A plug (120V)
UPC: 684284062864
In the Box
QSC RMX4050a 2000W Professional Low-Z Power Amplifier
Table of Contents
- 1Description
QSC RMX4050A specs
| 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 2Ω Typical: 14.5 A, Full: 30.6 A, Maximum: 65.7 A 4Ω Typical: 10.0 A, Full: 20.1 A, Maximum: 42.2 A 8Ω 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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