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Ashly FX Series FX500.4 4-Channel 500W Class D Power Amplifier with DSP

SKU: ASFX5004120V MFR: FX500.4-120V-U
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Key Features

  • Unleash powerful, crystal-clear audio with this 4-channel power amplifier, perfect for live sound.
  • Experience low harmonic distortion for pristine audio quality, ensuring your sound is always professional.
  • This power amplifier's flexible input/output options make it ideal for diverse audio setups and configurations.
  • Enjoy peace of mind with reliable thermal protection, preventing overheating and ensuring consistent performance.
  • The compact form factor of this amplifier saves space, making it a great choice for smaller venues.
  • Harness the high power output for robust sound, suitable for both small gatherings and large events.
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Special Order?Estimated to Ship: 09/08/2025
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Ashly FX Series Specifications

  • Channels

    4x Lo-Z / 2x Hi-Z

  • Output power

    @ 2Ohm 4x 500 W (SE)
    @ 4Ohm 4x 500 W (SE), 1x 1000 W (BTL)
    @ 8Ohm 4x 250 W (SE), 1x 1000 W (BTL)

  • Output power @ 25V

    4x 320 W

  • Output power @ 70V/100V

    2x 1000 W (BTL)

  • Powershare (up to)

    2x 750 W SE

  • Total System Power

    2000 W

  • DSP

    4 Input x 2 or 4 Outputs: Input, Zone, Output & Speaker Processing, plus General settings

  • Networking

    Browser-based UI Software with Ethernet & Wi-Fi connectivity

  • Power Consumption

    1100 W

  • Output Circuitry

    Class D - full bandwidth PWM modulator with ultra-low distortion

  • Output Voltage

    85 Vp / 170 Vpp (unloaded) / Bridged 170 Vp / 3 40 Vpp (unloaded)

  • Signal To Noise-Ratio

    > 108 dB (A-weighted, 20 Hz - 20 kHz, 8 Ohm load)

  • THD+N (typical)

    < 0.05% (20 Hz - 20 kHz, 8 Ohm load, 3 dB below rated power)

  • Frequency Response

    20 Hz - 20 kHz (+/- 0.5 dB, 8 Ohm load, 3 dB below rated power)

  • Protection Circuits

    Short circuit, DC, Under voltage, Temperature and Overload protection

  • Power Supply

    Universal mains switch mode power supply with Power Factor Correction (PFC) and standby converter

  • Operating temperature

    32 - 104 Degree F (0 - 40 Degree C)

  • Operating Voltage / Frequency

    Universal Mains, 100V - 240V, 50Hz - 60Hz

  • Standby Consumption

    < 0.5 W

  • Power Ratings

    1 % THD @ 120 Vac and 230 Vac

  • Dimensions

    19 x 3.5 x 12.6" (89 x 482.5 x 320mm)

  • Weight

    16.5 lbs (7.5kg)

  • UPC Code

    801128003726

About Ashly FX Series

For audio enthusiasts and professionals seeking a powerful, versatile, and compact solution, the FX Series FX500.4 4-Channel 500W Class D Power Amplifier with DSP is a game-changer. This multi-purpose installation amplifier, a product of Ashly's years of expertise, combines the compact Class D design of the FA Series with a newly incorporated DSP engine and software UI, taking audio amplification to new heights.

The FX Series FX500.4 is networkable via Ethernet for a wired LAN connection, or directly through its built-in Wi-Fi hotspot, eliminating the need for a network router. This feature-rich amplifier allows for system configurations that don't require additional equipment like stand-alone DSP or speaker system processors, making it a cost-effective and space-saving solution.

The FX Series is more than just an amplifier; it's a smart, comprehensive package that does more. It features a powerful DSP engine that can be configured to suit a wide range of tasks. From processing input sources, routing, and output DSP, this amplifier can fine-tune the sound of any speaker, making it an ideal choice for a variety of applications. These include multi-zone music distribution for retail and restaurant/bar settings, noise masking for offices and medical facilities, and media playback for hotel lobbies, retail, and museum kiosks.

The FX Series FX500.4 comes in two configurations: 1/2 Rack Units (RU) for fitting into tight spaces, and the 2 RU FX 500.2 & FX500.4 for larger speakers in your system. Despite their high power levels, all FX models are lightweight, with the 2,000W FX 500.4 weighing only 16.5 lbs.

The FX Series FX500.4 is equipped with an intuitive web-based software UI that offers an easy workflow and access to advanced functions. It allows you to create, save, and load speaker presets to accommodate virtually any loudspeaker. The UI screens are well laid out, with consistent controls from page to page that are informative and easy to read.

The FX Series FX500.4 also offers wireless access, allowing you to view and control the amplifier from virtually any PC, tablet, or smartphone. The Wi-Fi connection provides secure ID and password protection, while the Ethernet allows custom IP settings for use on a more complex wired LAN.

The FX Series FX500.4 is flexible and adaptable, with multi-mode operation that can switch between Low Z (4/8 Ohms) or Hi Z (25/70/100V) to suit your speaker requirements. It also features a Dynamic Power-sharing feature that automatically regulates power distribution between channels. The SPDIF Digital I/O can be used to connect other compatible equipment or to bridge two FX amplifiers and digitally expand the system.

In summary, the FX Series FX500.4 4-Channel 500W Class D Power Amplifier with DSP is a robust, versatile, and user-friendly solution for all your audio needs.

Ashly FX Series Features

  • Low (2/4/8 Ohm) or Hi Impedance (70/100V) operation, selectable in software
  • Balanced Mic/Line inputs on removable Euroblock connectors, plus unbalanced RCA inputs
  • 2-channel SPDIF Digital IO
  • Front panel status LEDs for amp, Input, output & network
  • Networkable via Ethernet or built-in Wi-Fi
  • Built-in advanced DSP on all inputs & outputs, including: Sensitivity, Routing, Gain, PEQ, Compressor, Limiter, FIR Filters, X-Over, Polarity & Delay
  • Browser-based UI accessed via PC or mobile device. No software to install
  • Auto/Manual Power Saver Mode (sleep/standby), adjustable in Software
  • Customized Speaker Presets made be created, saved & loaded for each output channel
  • Addressable GPIO, Standby/Mute & VC remote ports. VC assignable per channel via software
  • Highly efficient Class D and lightweight

Warranty Information

This product has a limited warranty of 60 months for parts and 60 months for labor.

Product Documents

User Manual

Key Features

  • Unleash powerful, crystal-clear audio with this 4-channel power amplifier, perfect for live sound.
  • Experience low harmonic distortion for pristine audio quality, ensuring your sound is always professional.
  • This power amplifier's flexible input/output options make it ideal for diverse audio setups and configurations.
  • Enjoy peace of mind with reliable thermal protection, preventing overheating and ensuring consistent performance.
  • The compact form factor of this amplifier saves space, making it a great choice for smaller venues.
  • Harness the high power output for robust sound, suitable for both small gatherings and large events.

What's in the box:

  • Ashly FX Series FX500.4 4-Channel 500W Class D Power Amplifier
  • Pair of Rack Ears
  • IEC Power Cord
  • 2x 6-Pin Input Block Connectors
  • 8-Pin GPIO Block Connector
  • 2x 4-Pin Speaker Output Block Connector
  • 4x Adhesive Rubber Feet
  • Ashly 5 Year Limited Warranty