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Ashly NXP1504 4-Channel Networkable Multi-Mode Power Amplifier with Protea DSP, CNM-2 CobraNet Option Card

SKU: ASNXP1504C MFR: NXP1504C
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Key Features

  • Experience superior sound with this 4-channel Ashly power amplifier, perfect for installations.
  • Networkable amplifier with Protea DSP ensures pristine audio clarity and robust digital signal processing.
  • CobraNet option card provides seamless digital audio networking for expanded system integration.
  • Multi-Mode amplifier delivers 150W per channel, ideal for a variety of professional audio setups.
  • Easily manage audio with user-friendly DSP, featuring EQ, compression, and feedback suppression.
  • Enjoy peace of mind with Ashly's 5-year warranty, ensuring lasting reliability for your amplifier.
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Special Order?Estimated to Ship: 08/14/2025
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Ashly NXP1504 Specifications

Channels

Channels

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  • No of channel

    4

  • Output

    For Max Output Power: Measured in Watts Per Channel, Low Impedance Output Mode, All Channels Driven at Rated Load: 2 Ohms: 150 W
    4 Ohms: 150W
    8 Ohms: 150 W

    For Low Impedance Output Mode: Bridge Output, Measured in Watts, All Channels Driven at Rated Load:
    4 Ohms: 300 W

    8 Ohms: 300 W

Line Current Draw

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  • Power Draw

    Sleep Mode: less than 1 W
    Standby Mode: 25W
    Idle (No Signal): 53W
    1/8 Max Power @ 2 Ohms: 230W

  • Current Draw

    For 120 VAC
    Sleep Mode: 94mA
    Standby Mode: 0.27
    Idle (No Signal): 0.50

    Typical: 2.2

Thermal Dissipation

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  • Dissipation

    Thermal Dissipation: Sleep Mode: 2.14
    Standby Mode: 86.4
    Idle (no signal): 180
    1/8 Max Power @ 2 Ohms: 505

General

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  • Voltage Gain

    Selectable at 26dB, 32dB, 38dB, or 1.4V

  • Damping Factor

    >250 (8 Ohms load <1kHz)

  • Input High Pass Filter

    80Hz 2nd order

  • Distortion (SMPTE, typical)

    <0.5%

  • Distortion (THD-N, typical)

    <0.5% (8 Ohms, 10dB below rated power, 20Hz-20kHz)

  • Channel Separation

    -75dB (dB from full output, 1kHz)

  • Signal-to-Noise (20Hz-20kHz)

    >99dB

  • Frequency Response

    20Hz-20kHz, +/-0.05dB

  • Balanced Input Connector

    Euroblock 3.5mm

  • Input Impedance

    10k Ohms

  • Maximum Input Level

    +21dBu

  • Speaker Output Connector

    Euroblock 7.62mm

  • Control Network

    RJ-45 connector, 100MB Ethernet

  • AUX Output Connector

    Balanced Euroblock 3.5mm

  • AUX Output Maximum Level

    +21dBu

  • Remote Standby Contact Closure

    Euroblock 3.5mm, close contact pin to ground (G) for standby mode

  • Preset Recall Contact Closure

    Euroblock 3.5mm, close contact to ground (G) for preset 1-4 recall

  • Data Connection

    Euroblock 3.5mm - Gnd, +18V, Data Out, Data In

  • Fault Condition Logic Outputs

    Euroblock 3.5mm - fault indicated by loss of 1Hz "heartbeat" pulse signal

  • Remote DC Level Control

    Euroblock 3.5mm - Gnd, CV, V+ per input

  • Attenuators (per channel)

    Rear panel, software, offset link group, remote control. Fully off = Mute

  • Amplifier Protection

    Shorted output power limiting, over-tem-perature, DC-output, power-supply fault, mains-fuses & inrush-current limiting

  • Cooling

    Continuously variable temperature controlled fan

  • Environmental

    32-120 Degree F (0-49 Degree C) (noncondensing)

LED Indicators

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  • Front Panel LED Indicators: Switch

    POWER (white): Switch: On, Off, Standby (flashing)
    PROTECT (red): On (fault condition or shut down), Off
    SLEEP (blue): On, amplifier is asleep from audio inactivity
    DISABLE (yellow): On, power switch & attenuators are disabled
    COM (green): On, for Ethernet data or Device ID

  • Front Panel LED Indicators: Per Channel

    CLIP/MUTE (red): Clip at 1dB below rated output / Mute
    SIGNAL (green): -18dB below rated output
    CURRENT (green): Brightness is proportional to output current
    TEMP (yellow): On dim at 90% max operating temperature, On full bright + protect at 100%
    Per Channel Pair, On, Off

Power Requirement

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  • Nominal

    110 - 240VAC

  • Operating Range

    70-270VAC

  • Minimum power-up

    70VAC

  • Power Supply Type

    SMPS with active PFC (Power Factor Correction)

  • AC Mains Line Cord Connector

    Detachable Nema 5-15 for USA(May vary for export)

DSP: Input Source Selection

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  • Options

    Analog, Auto (optional Network, AES3)

DSP: Brick Wall Limiter

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  • Threshold

    -20dBu to +20dBu

  • Ratio

    infinity

  • Attack

    0.2ms/dB to 50 ms/dB

  • Release

    5ms/dB to 1000ms/dB

DSP: Compressor

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  • Threshold

    -20dBu to +20dBu

  • Ratio

    1.2:1 to infinity

  • Attack

    0.2 to 50ms

  • Release

    5ms/dB to 1000ms/dB

  • Detector

    Peak/Average

  • Attenuation Bus

    2 available

  • Metering

    In, Out, Attenuation, Graphical

DSP: Autoleveler Controls

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  • Target Level

    -40dBu to +20dBu

  • Action

    Gentle, normal, aggressive, user-defined

  • Maximum Gain

    0dB to +22dB

  • Metering

    Input, Gain, Attenuation

  • Ratio

    1.2:1 to 10:1

  • Threshold Below Target

    -30dB to 0dB

  • Gain Increase/Decrease Rate

    5ms/dB to 1000ms/dB

  • Hold Time

    0-6 sec

DSP: Ambient Noise Compensation (Output)

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  • Max Gain

    -20dB to +20dB

  • Min/Base Gain

    -40dB to -1dB

  • Gain Change Rate

    0.2s/dB to 20s/dB

  • Link Group

    16 available

  • ANC Input Channel

    1-2 or 1-4

  • Noise Threshold

    -40dBu to +20dBu

  • Program/Ambient Gain Ratio

    0.3:1 to 3:1

  • Metering

    Input level, Attenuation, Average noise

DSP: Ducking

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  • Trigger Threshold

    -80dBu to +20 dBu

  • Ducking Release

    5ms/dB to 1000ms/dB

  • Ducking Depth

    0dB to -30dB, infinity

  • Enable Ducking at Matrix Mixer

    Yes

  • Metering

    Input

DSP: Gate

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  • Threshold

    -80dBu to +20dBu

  • Range

    off, 100dB to 0dB

  • Attack

    0.2ms/dB to 50 ms/dB

  • Release

    5ms/dB to 1000ms/dB

  • Metering

    Key Signal, Gate LED, Graphical

DSP: Advanced Gate Controls

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  • Key Engage Enable

    Yes

  • Key Frequency

    20Hz to 20kHz

  • Key Bandwidth

    0.016 to 3.995 Octave

DSP: Gain

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  • Gain (with/without VCA)

    -50dB to +12dB, off, polarity invert

  • Digital VCA Groups

    4 available

  • Remote RD8C Gain

    Enable per channel, 0dB to infinity

  • WR-5 (neWR-5) Remote Gain

    0 to -50dB, Mute

DSP: EQ (31-Band)

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  • File Type

    .CSV, .FIR (input FBS is disabled on channel using output FIR)

  • Filter Type

    Constant Q or Proportional

  • Bandwidth

    0.499oct to 0.25oct

DSP: EQ (Parametric 2,4,6, or 10 Band)

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  • Frequency

    20-20kHz

  • Level

    -30dB to +15dB

  • Q Value

    92.436 to 0.267

DSP: EQ (Hi/Low Shelf 6/12 dB/oct)

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  • Frequency

    20Hz-20kHz

  • Level

    -15dB to +15dB

DSP: EQ (All Pass)

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  • Frequency

    20Hz-20kHz

DSP: EQ (Variable Q HP/LP)

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  • Frequency

    20Hz-20kHz

  • Q Value

    3.047 to 0.267

DSP: EQ (Notch/Bandpass)

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  • Frequency

    20Hz-20kHz

  • Q Value

    92.436 to 0.267

DSP: Feedback Suppressor (Input Only)

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  • Filters

    12

  • In/Out per filter

    Yes

  • Lock per filter and global lock

    Yes

  • Filter Modes

    Float, Restricted, Manual

  • Filter Type

    Notch, Parametric

  • Filter Frequency Range

    20Hz to 20kHz

  • Notch Filter

    Infinity

  • Parametric Filter

    +15dB to -30dB

  • Filter Bandwidth

    0.016 to 3.995 Octave

  • Detector Sensitivity

    5 levels

  • Float Time

    5 min to 24 hours

DSP: Crossover (2 /3/4 Way Crossover)

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  • Bessel & Butterworth Filters

    12/18/24/48 dB/oct

  • Linkwitz-Riley Filter

    12/24/48 dB/oct

  • Frequency

    Off, 20Hz-20KHz

DSP: Delay (@ 48kHz Sampling Rate)

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  • Speaker Delay

    0-21ms

  • Delay

    0-682ms

DSP: Delay (@ 96kHz Sampling Rate)

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  • Speaker Delay

    0-10.6ms

  • Delay

    0-341ms

DSP: Audio Metering Tool

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  • Range

    -60dBu to +20dBu

  • Increments

    1dB

  • Peak Hold Indicator

    Yes

DSP: Signal Generator Tool

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  • Signal Level

    Off, -50dBu to +20dBu

  • Sine Wave Frequency

    20Hz-12kHz

DSP: Matrix Mixer

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  • Gain (0.5dB increments)

    Off, -50dB to +12dB

  • Mute

    Per channel

  • Auto-Mixer Enabled

    Per channel

  • Global Auto-mixer Response

    0.01sec to 2sec

  • Enable Ducking at Mixer

    Yes

  • Ducking LED

    Per channel if enabled

  • Metering

    Level, auto-mixer level

DSP: Processors

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  • Input A/D, Output D/A

    24 bit

  • DSP Processors

    32-bit floating point

  • Sample Rates

    48kHz, 96kHz

  • Propagation Delay @ 48kHz:

    1.42ms

  • Propagation Delay @ 96kHz:

    0.71ms

Physical

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  • Dimensions (W x H x D)

    19 x 1.75 x 14.54" (483 x 45 x 369mm)

  • Weight

    13.1 lb (5.9kg)

About Ashly NXP1504

Experience the pinnacle of audio amplification with the NXP1504 4-Channel Networkable Multi-Mode Power Amplifier, a robust and efficient solution tailored for the most demanding live sound environments and fixed audio installations. Whether you're outfitting performance venues, stadiums, arenas, convention centers, educational institutions, retail spaces, or places of worship, this advanced amplifier is engineered to deliver powerful, high-quality sound.

The NXP1504 stands out with its Protea Digital Signal Processing (DSP), offering unparalleled control and audio shaping capabilities. This state-of-the-art DSP technology is compatible with a range of Microsoft Windows operating systems and is celebrated for its user-friendly interface, allowing audio professionals to easily navigate and optimize settings for any acoustic scenario.

With the CNM-2 CobraNet Option Card, this amplifier transcends traditional audio boundaries, enabling seamless network integration for comprehensive audio system management. The NXP1504's networkable design ensures that it can effortlessly become part of a sophisticated audio setup, making it an ideal choice for those seeking a future-proof investment in their sound infrastructure.

The amplifier's Class-D Switching Amplifier Technology is a testament to its efficiency, automatically adapting to varying power supplies while maintaining a lightweight profile. This technology, coupled with the Ashly EMS (Energy Management System), ensures that the NXP1504 operates with exceptional energy efficiency, automatically transitioning to a low-power standby mode when not in use.

Multi-Mode Operation is a hallmark of the NXP1504, with selectable outputs on each channel that cater to a variety of speaker configurations. Users can effortlessly switch between Low Impedance (2, 4, and 8 Ohm) and Constant Voltage (70V or 100V) modes, providing versatility and ease of use for any audio application.

The NXP1504 is not only powerful but also intelligent, with a Real-Time Clock and Event Scheduler that automate the execution of functions and tasks. This feature, programmed via PneS software, adds a layer of convenience and precision to your audio management.

For remote control, the Ashly Remote Control via iPad app offers secure wireless control over the network, allowing for custom adjustments from the palm of your hand. This free app is a perfect companion for on-the-fly changes and monitoring.

Architects and engineers will appreciate the NXP1504's robust specifications, capable of driving 2 Ohm loads at full power with a maximum rated output of 150W per channel across various modes. The unit's comprehensive connectivity options, including 3.5mm Euroblock input and 7.62mm Euroblock output connectors, ensure compatibility with a wide range of audio systems.

The front panel of the NXP1504 is designed with the user in mind, featuring a power switch and level controls that can be disabled for security. The rear panel is equally user-friendly, with LEDs indicating various operational statuses, including Protect, Sleep, Disabled, and Bridge mode, as well as Temperature, Output Current, Output Signal, and Clipping/Mute status for each channel.

In summary, the NXP1504 4-Channel Networkable Multi-Mode Power Amplifier with Protea DSP and CNM-2 CobraNet Option Card is a durable, advanced, and high-quality audio solution that offers unparalleled efficiency and versatility for professional audio systems.

Ashly NXP1504 Features

  • Selectable 80Hz 2nd-order Hi-pass filter, limiter, and input gain per channel
  • Remote DC level control per channel
  • Extensive protection circuitry, continuously variable cooling fan
  • Ethernet port for software control and monitoring of amplifier functions, with front panel COM activity LED
  • Serial data port available for Ashly WR-5 programmable remote control (optional RS-232 converter INA-1 available for third party controllers)
  • Instant Standby Mode, 40% reduction in idle power consumption, triggered by contact closure, software control, or event scheduler
  • Preset recall via contact closure, software control, remote control, or event scheduler
  • Programmable power-on delay
  • Aux preamp line outputs for driving other amplifiers
  • Fault condition logic outputs per channel
  • Euroblock input connectors
  • Euroblock loudspeaker connectors
  • Detachable AC mains line-cord connector
  • Safety/Compliance: TUV (pending), CE, FCC, RoHS

Warranty Information

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

Key Features

  • Experience superior sound with this 4-channel Ashly power amplifier, perfect for installations.
  • Networkable amplifier with Protea DSP ensures pristine audio clarity and robust digital signal processing.
  • CobraNet option card provides seamless digital audio networking for expanded system integration.
  • Multi-Mode amplifier delivers 150W per channel, ideal for a variety of professional audio setups.
  • Easily manage audio with user-friendly DSP, featuring EQ, compression, and feedback suppression.
  • Enjoy peace of mind with Ashly's 5-year warranty, ensuring lasting reliability for your amplifier.

What's in the box:

  • NXP1504 4-Channel Networkable Multi-Mode Power Amplifier
  • Ashly 5 Year Limited Warranty