SKU : NX8004

SGD 4,814.00
Availability: In stock

Power Amplifier, 4x800W @ 2-OHMS

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The nX Series NX8004 4-Channel 800W Power Amplifier with Programmable Outputs from Ashly is a Class-D switching amplifier combined with a switch mode power supply. This amplifier meets the requirements of demanding live sound and fixed installation sound systems in stadiums, arenas, performance venues, worship spaces, and convention centers. The rear panel has DIP switches for programming each channel output for either High-Z or Low-Z operation.




  • 4-Channel high-output amplifier with programmable output on each channel (High-Z or Low-Z, selected via rear panel DIP switches)
  • Power-saving, Energy Management System with automatic <1W sleep-mode (defeatable)
  • Front panel power switch and level controls (can be disabled for security)
  • Rear panel DIP switches per channel for selection of high pass filter, limiter, input gain, and High-Z or Low-Z speaker output configuration
  • Remote DC level control on each input channel
  • Switch mode power supply automatically detects 120 or 240VAC operation
  • Extensive protection circuitry and continuously variable cooling fans
  • Multiple independent internal power supplies provide increased channel separation and reliability
  • Neutrik Combo XLR - 1/4" TRS jack plus Euroblock input connectors
  • Neutrik speakON twist locking loudspeaker connectors for security, safety, and reliability
  • Neutrik powerCON detachable AC mains connector
  • Made in USA
Voltage Gain Selectable at 26, 32, or 38 dB, and 1.4 V 
Damping Factor >250 (8 Ω load <1 kHz)
Filter Input High Pass Filter: 80 Hz 2nd order

<0.5% SMPTE, typical

<0.5% THD-N, typical (8 Ω, 10 dB below rated power, 20 Hz to 20 kHz)

Channel Separation -75 dB (dB from full output, 1 kHz)
Signal / Noise

20 Hz to 20 kHz, un-weighted

>108 dB

Frequency Response 20 Hz to 20 kHz, ±0.05 dB
Connector Balanced Input Connector: Euroblock 3.5 mm, 1/4" TRS and XLR combo jack
Input Impedance 10 kΩ
Maximum Input Level 21 dBu
Speaker Output Connector: Neutrik speakON
Level Control Remote DC: 4 x 3.5 mm Euroblock - Gnd, CV, V+ per input

Front panel, software, offset link group, and remote per channel

Fully off = mute

Protection Circuits Inrush current limitation, temperature monitoring, output over-power protection, and mains fuses
Cooling Continuously variable temperature controlled axial fans
Environmental Non-condensing 32 to 113°F (0 to 45°C)
Power Requirements

At 50 Hz 

Nominal (Automatic Sensing SMPS): 120 VAC

Operating Range: 70 to 135 VAC

Minimum Power-Up: 85 VAC

At 60 Hz

Nominal (Automatic Sensing SMPS): 240 VAC

Operating Range: 140 to 270 VAC

Minimum Power-Up: 170 VAC

Connector Power Cable Connector: 20 A powerCON
Maximum Output Power Per Channel, Low-Z Output, All Channels Driven
2/4/8 Ω: 800 W

Low Z Output, Bridge Mode, All Channels Driven: 1600 W (4/8 Ω)

70V, 100V Output, All Channels Driven: 800 W (70/100 V (per channel)

Power Draw

Sleep Mode: < 1 W

Standby Mode: 40 W

Idle (No Signal): 70 W 

Current Draw

For 120 VAC

Sleep Mode: 0.1 A

Standby Mode: 0.70 A

Idle (No Signal): 1.30 A

For 240 VAC

Sleep Mode: 0.05 A

Standby Mode: 0.35 A

Idle (No Signal): 0.65 A


Maximum, All Channels Driven, Typical Input

1/8 Max Power @ 2 Ω): 8.8 A for 120 VAC, 2.5 A for 240 VAC


Thermal Dissipation: Sleep Mode: <3.4 BTU/hr

Standby Mode: 136 BTU/hr

Idle (no signal): 238 BTU/hr

Typical (1 / 8 Max Power @ 2 Ω): 970 BTU/hr 

LED Indicators Front Panel LED Indicators


White: Power Switch: On, off, standby (flashing)

Red LED:

Clip / Mute Per Channel: Clip @ 1 dB below full output / mute

Protect: On (fault condition or shut down), Off

Green LED:

Signal Per Channel: -18 dBu, below rated output

Bridge Per Channel Pair: On, off

Com: On, for Ethernet data or device ID

Current Per Channel: Proportional to output

Yellow LED:

Temperature Per Channel: On dim at 90% maximum operating temperature, full bright + protect at


Sleep: On, amplifier is asleep from audio inactivity

Disable: On, power switch & front panel attenuators are disabled

Dimensions (W x H x D) 19.0 x 3.5 x 16.8" (48.3 x 8.9 x 42.8 cm)
Weight 31.3 lb (14.2 kg)


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