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Ashly CA Series CA502 2-Channel 500W Class D Power Amplifier

SKU: ASCA502120VU MFR: CA502-120V-U
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Key Features

  • Experience robust audio with 500W per channel from this Ashly power amplifier at 4 Ohms.
  • Achieve pristine sound quality; this amplifier boasts a >98dB signal-to-noise ratio.
  • Enjoy superior audio fidelity with <0.5% THD, ensuring clean, clear sound amplification.
  • Optimize sound with adjustable input sensitivity, tailoring the amp to your audio source.
  • Ensure seamless impedance matching for optimal performance with various speaker systems.
  • Benefit from reliable protection circuits, guarding against over-temperature and DC output.
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Special Order?Estimated to Ship: 08/18/2025
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Ashly CA Series Power Amp Specifications

Maximum Output Power

Maximum Output Power

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  • Low Z output, per channel (W)

    2 Ohm: 500
    4 Ohm: 500
    8 Ohm: 250

  • Low Z output, per bridged ch. pair (W)

    4 Ohm: 1000
    8 Ohm: 500

  • 70V/100V output (W)

    70V: 1000 (direct)
    100V: 1000 (bridged)

Total Power Draw

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  • Standby (W)

    8

  • Idle (no signal) (W)

    17

  • 1/8 max power (W)

    172

Total Current Draw

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  • Standby mode (Amp)

    0.2

  • Idle (no signal) (Amp)

    0.27

  • 1/8 max power (Amp)

    1.5

Total Thermal Dissipation

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  • Standby mode (BTU/hour)

    28

  • Idle (no signal) (BTU/hour)

    57

  • 1/8 max power, 4 Ohm (BTU/hour)

    120

  • 1/8 max power, 2 Ohm (BTU/hour)

    148

Input Sensitivity

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  • @26dB gain

    3.9V (+14dBu)

  • @26dB gain

    3.9V (+14dBu)

  • @38dB gain

    0.97V (+2dBu)

  • @1.4V gain

    1.4V (+5.1dBu)

Electronic

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  • Distortion (SMPTE, typical)

    <0.5%

  • distortion

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

  • Signal to Noise

    >98dB (50x models)
    >101dB (1.0x models)
    >103dB (1.5x models)
    26dB input sensitivity, 20Hz-20kHz, unweighted

  • Frequency Response

    20Hz-20kHz, +/-0.05dB

  • Channel Separation

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

  • Damping Factor

    >250 (8 Ohm load, <1kHz)

  • Balanced Input Connector

    Euroblock (3.5mm), 1/4" TRS and XLR Combo jack (per channel)

  • Input Impedance

    10k Ohm

  • Maximum Input Level

    +21dBu

  • Bridge Mode Switch

    In for bridged mode, Out for stereo (per channel pair)

  • Remote DC Level Control

    Euroblock (3.5mm), V+ is fully on, G is fully attenuated (G, CV, V+ per channel)

DIP Switch settings

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  • Switches 1-2: Input Gain

    26dB, 32dB, 38dB, 1.4V

  • Switch 3: Output Clip Limiter

    On, Off

  • Switch 4: Input High Pass Filter

    80Hz 2nd order HPF, On, Off

  • Switch 5: Front Panel Disable

    On, Off

  • Switch 6: Standby Polarity

    High (standby when open), Low (standby when closed)

  • Standby Contact Closure

    Euroblock (3.5mm)

  • Speaker Output Connector

    Euroblock (7.62mm)

Front Panel Indicators

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  • Power Switch LED (white)

    On, Off, Standby (flashing)

  • Clip/Mute LED (red)

    On at 95% max output (0.5dB below max), Mute

  • Signal LED (green)

    On at 25% max output (12dB below max)

  • Current LED (green)

    On at >2 Amps to speaker load

  • Temp LED (yellow)

    On when thermal countermeasures are being applied

  • Bridge LED (green)

    Per Channel Pair - On, Off

  • Protect LED (red)

    On for fault condition counter-measures or shutdown, Off (see troubleshooting section for protect LED error codes)

  • Disable LED (yellow)

    On when front panel controls are disabled, Off

Controls

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  • Attenuators

    Per channel: front panel, Fully off = Mute

  • Remote Control Options

    WR-1, WR-1.1 DC level control

Protection and Cooling

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  • Amplifier Protection

    In-rush current, over temperature, output DC, output over-power, AC mains voltage, mains fuses

  • Cooling

    Continuously variable temperature controlled fan(s)

Physical

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  • Power Cable Connector

    20A IEC

  • Operating Voltage Range

    70-135VAC @110-120VAC, 140-270VAC @220-240VAC (50-60Hz, 85VAC or 170VAC min startup)

  • Environmental

    32 Degree F-120 Degree F (0 Degree C-49 Degree C)
    non-condensing

  • Safety/Compliance

    cTUVus, CE, FCC Class B, RoHS

  • Dimensions (W x H x D)

    19 x 3.5 x 16.1" (483 x 89 x 409mm)

  • Weight

    15 lbs (6.81kg)

  • UPC Code

    694970002678

About Ashly CA Series Power Amp

The CA Series CA502 2-Channel 500W Class D Power Amplifier is expertly engineered to deliver superior performance in various installations, including theaters, school auditoriums, and Houses of Worship. This robust amplifier can effortlessly handle power-demanding sub-woofers, even at 2 Ohms, making it a reliable choice for high-intensity audio setups.

The CA502 amplifier stands out with its 70 & 100V direct-drive capability and a host of integration-friendly features, making it an ideal choice for commercial installations. Its resilience allows it to drive longer and louder than amplifiers with twice their rated power and cost, offering powerful, clean, and reliable audio output.

This amplifier features Ashly's innovative D-MAX design, allowing you to run multiple CA amplifiers on a single 20A service. This proprietary technology combines cutting-edge amplifier design, an ultra-fast switching power supply with Silicon-Carbide semiconductors and diodes, and intelligent power management to deliver ultimate efficiency.

The Dynamic Power Factor Correction feature of the CA502 amplifier tracks current continuously to maintain accurate monitoring and control. This, coupled with the use of Silicon Carbide semiconductors, boosts both speed and efficiency, resulting in a faster and more efficient amplifier design. This technology also enhances audio fidelity, providing a more precise sound output.

The CA502 amplifier is designed with a unique SailFlow architecture for efficient cooling. This design directs internal airflow strictly over the areas that generate the most heat, ensuring reliable, stable operation, even under heavy loads. This amplifier can operate stably at 0.2 ohms, making it a reliable choice for performance spaces.

The CA Series CA502 2-Channel 500W Class D Power Amplifier can power up to SIXTEEN 8-ohm loudspeakers from a single 4-channel amplifier. It can deliver 70V and 100V power with no reconfiguration required, making it a versatile choice for commercial installations. With both XLR and Euroblock connectivity, the CA502 amplifier is adaptable and ready to deliver superior audio performance in any setting.

Ashly CA Series Power Amp Features

  • 2 channel models
  • 500W @ 4 Ohms
  • Stable down to 2 Ohms
  • 70/100V operation
  • Ultra efficient D-MAX Class D design
  • Selectable gain per channel
  • Adjustable front panel input Gain per channel with lock-out
  • Bi-lateral SailFlow cooling
  • Installer friendly Euroblock and XLR combo connectors
  • Switchable HPF and Clip Limiter per channel
  • CV remote ports per channel
  • Solid metal front panel

Warranty Information

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

Product Documents

User Manual

Key Features

  • Experience robust audio with 500W per channel from this Ashly power amplifier at 4 Ohms.
  • Achieve pristine sound quality; this amplifier boasts a >98dB signal-to-noise ratio.
  • Enjoy superior audio fidelity with <0.5% THD, ensuring clean, clear sound amplification.
  • Optimize sound with adjustable input sensitivity, tailoring the amp to your audio source.
  • Ensure seamless impedance matching for optimal performance with various speaker systems.
  • Benefit from reliable protection circuits, guarding against over-temperature and DC output.

What's in the box:

  • Ashly CA Series CA502 2-Channel 500W Class D Power Amplifier
  • Set of Block Connectors
  • Power Cord
  • Ashly 5 Year Limited Warranty