Nexo NXAMP4x4 MK2 Powered Digital TD Controller/Amplifier

NEXO NXAMP 4×4 MK2 – 4‑Channel Controller/Amplifier

The NXAMP 4×4 MK2 combines four state-of-the-art Class‑D amplifier channels with integrated DSP and loudspeaker management, all controlled via a touch‑screen interface. It is tailored for both touring and installed NEXO systems, offering powerful output, flexible routing, and intuitive configuration.

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Power & Amplification

• Four independent Class‑D amplifier channels
• Single-channel output (per channel):
  • 1,900 W into 8 Ω
  • 3,300 W into 4 Ω
  • 4,500 W into 2 Ω
• Bridge mode (channels paired):
  • 6,600 W into 8 Ω
  • 9,000 W into 4 Ω
• Max unloaded channel voltage: ~180 V peak
• Engineered for high headroom and minimal distortion

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DSP & Signal Processing

• 24-bit / 96 kHz converters and 64-bit multi-core DSPs deliver crystal-clear sound
• Per-channel configurations: EQ, crossover, delay, limiter, preset recall
• Extremely low latency (~580 µs in flat setup)
• Dynamic control architecture with built-in protection functions

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Connectivity & Interface

• Front panel: 4.3″ color touch-screen display plus rotary encoder for menus and navigation
• Inputs: Four balanced analog inputs (XLR) with cascading option
• Outputs: Four Speakon NL4 connectors for speaker connections
• Network/Data: Supports expansion cards for Dante, AES/EBU, or EtherSound (optional)
• Includes RS‑232 and GPIO ports for system integration or monitoring

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Protection & System Reliability

• Intelligent system protection: thermal, overload, short-circuit, speaker output clipping
• Power factor correction with universal voltage input (100–240 VAC)
• Standby consumption: ~10 W; idle consumption: ~200 W
• Built-in presets for all NEXO loudspeaker models ensure quick and safe setup

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Technical Summary

Feature	Specification
Channels	4 independent / 2× bridgeable
Power Output	Up to 4,500 W per channel @ 2 Ω
Frequency Range	10 Hz – 20 kHz (±1 dB)
Latency	~580 µs (flat setup)
Dynamic Range / THD+N	~110 dB / ~0.01%
Input Sensitivity / Impedance	~18 dBu / 20 kΩ
Rack Size / Weight	3U chassis; ~25 kg

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Suggested Applications

• Compact, high‑output systems with NEXO loudspeakers
• Touring rigs requiring network control and integrated management
• Permanent installs in theaters, clubs, houses of worship
• System setups where minimal footprint and maximum flexibility are needed