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The nX Series NX4002 2-Channel 400W 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.
2-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
In the Box
Ashly nX Series NX4002 2-Channel 400W Power Amplifier with Programmable Outputs
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
Power Cable Connector: 20 A powerCON
Maximum Output Power
Per Channel, Low-Z Output, All Channels Driven 2/4/8 Ω: 400 W
Low Z Output, Bridge Mode, All Channels Driven: 800 W (4/8 Ω) 70V, 100V Output, All Channels Driven: 400 W (70/100 V (per channel)
Sleep Mode: < 1 W Standby Mode: 25 W Idle (No Signal): 40 W
All Channels Driven
For 120 VAC Sleep Mode: 0.1 A Standby Mode: 0.38 A Idle (No Signal): 0.70 A
For 240 VAC Sleep Mode: 0.05 A Standby Mode: 0.19 A Idle (No Signal): 0.35 A
Maximum, All Channels Driven, Typical Input 1/8 Max Power @ 2 Ω): 4.6 A for 120 VAC, 2.3 A for 240 VAC
Thermal Dissipation: Sleep Mode: <3.4 BTU/hr Standby Mode: 85 BTU/hr Idle (no signal): 136 BTU/hr Typical (1 / 8 Max Power @ 2 Ω): 305 BTU/hr
All Channels Driven
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 100% Sleep: On, amplifier is asleep from audio inactivity Disable: On, power switch & front panel attenuators are disabled