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Behringer Ultra-Lightweight, High-Density, 6000-Watt 4-Channel Power Amplifier

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Product Description


The Behringer iNUKE NU4-6000 4-Channel Power Amplifier features four 1,500W amplifiers in a 2RU rackmountable chassis. You can run your stereo full-range mains plus two separate monitor mixes. You may also operate your subwoofers in bridge mode (3,000W) and run mid and high packs in mono biamp mode (2 x 1,500W). The unit utilizes a high-density Class-D technology amplifier design combined with an efficient switch-mode power supply and a back-to-front ventilation system to keep cool while operating. For additional protection the amplifier also includes DC, LF, and thermal overload circuits.

All channels on the front panel feature positive-detent gain controls with signal LEDs that light when a signal is present, as well as clip LEDs to indicate when the signal is distorted and you need to reduce the input signal.

The rear panel features combo XLR and 1/4" TRS input connectors making the unit compatible with a variety of balanced and unbalanced sources. Professional twist-lock speaker sockets are provided to ensure that efficient transfer of power to your speakers. The rear panel also has the switches that enable the amplifier to work in Quad Mono, Dual Stereo, or Dual Mono Bridge mode. A built-in crossover switch enables the amplifier to operate in biamp mode, sending low-frequency content to passive subwoofers, while the high-frequency output is channeled to full-range loudspeakers.

Power Rating
Delivers 4 x 1,500W at 2Ω, 2 x 3,000W at 4 Ω, and weighs less than 12 lb (5.5kg)
Amplifier Design
Features cool-running high-density Class-D technology with near-zero thermal buildup
Power Supply
Utilizes efficient switch-mode power supply for low-noise audio, enhanced transient response, and lower power consumption
Zero-attack limiters
Enable maximum output level with reliable overload protection
Separates subwoofer and full range signal for bi-amp operation
Gain Controls
Feature detented knobs and LED illuminated levels
LED Indicator Lights
Features 4-segment signal and limit LEDs to indicate signal presence and clipping
Utilizes XLR and 1/4" TRS combination input connectors for compatibility with different sources
Features professional twist-lock speaker connectors for reliable connections
Includes independent DC, LF, and thermal overload protection on each channel to automatically protect the amplifier and speakers without shutting down the system
Includes back-to-front ventilation system prevents thermal buildup for reliable operation
Maximum Output Power 4-channel
8 Ω per channel: 4 x 440 W
4 Ω per channel: 4 x 860 W
2 Ω per channel: 4 x 1,600 W
Bridge Connection
8 Ω per bridged pair: 2 x 1,600 W
4 Ω per bridged pair: 2 x 3,000 W
Controls Front: Power switch gain controls (channels 1, 2, 3, and 4)

Rear: 2 x Mode switch (bridge / stereo / mono)
2 x Crossover switch (full-range / 100 Hz)
Power Amber backlit illuminated gain controls
Indicator Lights Limit (per channel): Red LED (0 dB, full scale)
Signal (per channel): Amber LED (-24 dB, -12 dB, -6 dB)
Inputs 4 x combo jacks
Input Impedance 10 kΩ unbalanced, 20 kΩ balanced
Outputs 4 x locking-style professional speaker connectors
Output Circuit Type: Class-D
Distortion <0.2%
Frequency Response 20 Hz to 20 kHz, +0 / -2 dB
Damping Factor >120 at 8 Ω
Signal-to-Noise Ratio >100 dB
Cooling Continuously variable speed fan
Back-to-front air flow
Amplifier Protection: Thermal and DC protection, stable into reactive or mismatched loads
Protection Load Protection: On / off muting, DC-fault power supply shutdown
Power Supply USA / Canada: 120 V~, 60 Hz, (25 A, 250 VAC)
Power Consumption At 1/8 Maximum Non-Clipped Output at 2 Ω: 620 W
At Maximum Attainable Output at 2 Ω: 4,800 W
Main Connector Standard IEC receptacle
Dimensions (H x W x D) Approximately 3.7 x 19.0 x 12.2" (93.9 x 482.6 x 309.8 mm)
Weight Approximately 12.4 lb (5.6 kg)
Packaging Info
Package Weight 15.1 lb
Box Dimensions (LxWxH) 21.8 x 14.8 x 6.6"

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