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Nexo NXAMP4x4 MK2 Powered Digital TD Controller/Amplifier
$10,000.00
The NXAMP 4×4 MK2 is a four-channel Class‑D amplifier with full digital control, high-output capability, and seamless integration into modern audio systems. With powerful DSP, comprehensive safety features, and network-ready connectivity, it is ideally suited to professional sound reinforcement tasks.
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.
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
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
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
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
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 |
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
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