The NEXO NXAMP4X4MK2 is the flagship amplifier and digital controller in the NXAMPMK2 platform, developed in collaboration with Yamaha. Delivering 4 x 4500W of Class D power with ultra-low distortion, it provides the amplification, DSP processing, and system management needed to drive NEXO loudspeaker systems in touring rigs and permanent installations alike.
4 x 4500W
Output Power · Class D
24-bit / 96kHz
Conversion · 64-bit signal processing
3 Multi-Core
DSP Engines · Advanced processing
3U
Rack Size · 24.9 kg
Expansion Card OptionsThe rear expansion slot accepts optional network audio cards including Dante, EtherSound, AES/EBU, and a combined Dante + AES card. All digital input options include automatic analogue fallback, ensuring the system continues to pass audio if the network connection is lost.
Features
4 x 4500W Class D amplification with ultra-low distortion
Three multi-core DSPs for comprehensive loudspeaker processing
24-bit/96kHz converters with 64-bit internal signal path
Colour touchscreen for on-unit setup and monitoring
PFC power supply with universal 100-240V mains input
4x analogue inputs with cascaded converter architecture
Dual Ethernet ports for NeMo network management
Expansion slot for optional Dante, EtherSound, AES, or Dante+AES cards
RS232 and GPIO control interfaces
Automatic analogue fallback on all digital input options
Specifications
| Output Power | 4 x 4500W |
| Amplifier Class | Class D |
| DA Conversion | 24-bit / 96kHz |
| Internal Processing | 64-bit |
| DSP | 3 multi-core engines |
| Analogue Inputs | 4x (cascaded converters) |
| Outputs | 4x Speakon |
| Network Management | Dual Ethernet (NeMo) |
| Control | RS232, GPIO |
| Power Supply | PFC, 100-240V universal mains |
| Rack Size | 3U |
| Weight | 24.9 kg |
| SKU | 03NXAMP4X4MK2 |










