Number of amplifiers channels 4x channels, 2 by 2 bridgeable 4x channels, 2 by 2 bridgeable
Max. output voltage (no load)    4 x 105Volts              4 x 200Volts
Max. output power (8Ω)             4 x 600W                  4 x 1900W
Max. output power (4Ω)             4 x 900W                  4 x 3300W
Max. output power (2Ω)             4 x 1300W                4 x 4000W
Power consumption (Standby)             10W                          20W
Power consumption (Idle)                   100W                       150W
Power consumption (1/8 Power)      1100W                      3000W
Analog Inputs channels 4x channels, analogue inputs on XLR 3 with a second XLR 3 for linking
Frequency response ±0.5dB from 10Hz to 20KHz
Input Impedance 20KΩ
Max Input Level +28dBu
Dynamic Range All Channels = 105dB unweighted
THD + Noise Typical 0.1% flat setup
Latency time 500us on a flat setup
Power Supply Dedicated version for 100 ~ 120Volts or 220 ~ 240Volts
Audio Inputs • 4x balanced analogue inputs on XLR3 with a second XLR3 for linking, using 24bit converters.
• 4x digital inputs via the optional network card slot at the back.
Power Outputs 4x Speakon outputs using internal power relay for automatic output assignment regarding setup.
RS232 port Allow firmware upgrade for software improvement and new cabinet setups.
GPIO port 5x Global Purpose Inputs and 8x Global Purpose Outputs for simple remote control and monitoring.
Processing Two DSPs, 24bit data with 48bit accumulator. 700MIPS.
Front Panel On/Off Mains switch, Select Wheel, Menu A and Menu B buttons, 40 characters by 2 lines
display. Amp protect, Stand-by and power LED’s. Then for each channel: volume indicator (15x
LEDs), Individual Mute buttons and red LED, output current signal green led, Speaker Protection
yellow LED, Amp. Peak red LED.
Rear Panel 1 (NXAMP4x1) or 2 (NXAMP4x4) mains socket; RS232 serial communications connector;
GPIO port, Expansion slot for networking audio extension card, 4 XLR inputs with link and 4
Speakon 4 outputs.
Dimensions & Weight NXAMP4x1: 3U 19” Rack – 457 mm (18”) Depth – 16.5kg (33lbs) net
NXAMP4x4: 4U 19” Rack – 457 mm (18”) Depth – 24.5kg (49lbs) net
NEXO loudspeakers and electronics are covered against defects in workmanship or materials for a period of two (2) years from the original date of
purchase. At the option of NEXO the defective item will be repaired/replaced with no charge for materials/labour. The item is to be adequately
packaged and dispatched, pre-paid, to a NEXO authorised distributor/service centre. Unauthorised repair shall void the warranty. The NEXO
warranty does not cover cosmetics or finish and does not apply to any items which in NEXO’s opinion have failed due to used abuse, accidents,
modifications or any type of misuse. All images and text herein are the property of NEXO SA, and deemed accurate, although specifications are
subject to change without notice.
System Selection Allows control across all NEXO ranges.
System Set-up Within the selected range, if possible, allows cabinets to be set for passive or active mode, wideband
or crossover mode, choose among available crossover point, cardioid or supercardioid mode.
Protection Multiple Peak Limiters fitted for both selected cabinet and amplifier. Multiple Acceleration,
Displacement and Temperature protections on every channel. Inter-channel regulation.
Delay Up to 150m (330 ft.) of delay in 10cm (.4in ) steps
Input Patching Allows any of the 4x analogue (or digital) inputs combination to be routed on each output.
Output Gain Global and inter-channel gain ±6dB in 0.5dB steps.
Volume control Each channel with 16x steps from – inf dB to 0dB.
Save/Recall Set-up Stores up to 40x user set-ups; On- the-fly recall, without mute or glitches for instant
Array EQ LF or HF shelving filters to compensate ground or stacking effects, ±6dB, frequency factory tuned.
Security Mode Password protected for Read-Only or Remote-Only Mode.
Remote control Full remote control via the Ethersound protocol and ESmonitor software.
Certification UL, SEMKO (CE), CCC, KOREA, TSS, PSE
Green status Compliant with ROHS and WEEE directive