JL Audio JX500/1D, JX Series Class D Mono Amplifier, 500W

JL Audio
JL Audio

JL Audio JX500/1D, JX Series Class D Mono Amplifier, 500W

Discontinued Item

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Not Available for Shiping Outside the United States

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WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov

General Features:  

  • JL Audio JX Series Monoblock Class-D Subwoofer Amplifier¬†
  • RMS Power Rating (14.4V): ¬†
    • 4 ohms: 300 watts x 1¬†
    • 3 ohms: 400 watts x 1¬†
    • 2 ohms: 500 watts x 1 ¬†
  • RMS Power Rating (12.5V): ¬†
    • 4 ohms: 235 watts x 1¬†
    • 3 ohms: 300 watts x 1¬†
    • 2 ohms: 410 watts x 1 ¬†
  • Unregulated PWM switching type power supply¬†
  • LED power (green) and protect (red) indicators¬†
  • Soft start turn-on prevent clicking and popping when system turns on¬†
  • Speaker-level (high-level) inputs with included harness¬†
  • Preamp RCA outputs to daisy chain multiple amps¬†
  • 3-way protection circuitry (thermal, overload, and speaker short protection)¬†
  • Heavy duty aluminum alloy heatsink for effective heat dissipation¬†
  • Nickel-plated RCA level inputs¬†
  • Nickel-plated screw terminals¬†
  • Dual speaker terminals simplify the hookup of multiple speakers¬†
  • Remote bass level input (JL Audio RBC-1 sold separately)¬†
  • Input sensitivity: ¬†
    • Low level input: 200mV - 4V¬†
    • High level input: 2.0mV - 10.0V ¬†
  • Variable Bass Boost: 0 to +12 dB bass boost centered at 45 Hz¬†
  • Variable low-pass filter: 50 - 200 Hz, 12 dB/octave¬†
  • Frequency Response: 10 - 150 Hz 1 dB¬†
  • Total Harmonic Distortion (THD): 1%¬†
  • Signal to Noise Ratio: >62 dB¬†
  • Damping Factor @ 4 ohms: >1000 @ 4 ohms¬†
  • Fuse Rating: 50A x 1 inline (not supplied) ¬†
  • 4 gauge power and ground wiring is recommended for installation.¬†
  • Weight: 4.80 lb¬†
  • Dimensions: 7.68"W x 7.83"L x 2.09"H¬†
  • Authorized Internet Dealer¬†
  • 2 Year Manufacturer's Warranty¬†

Number of Channels




Peak Power Rating (Watts)

RMS Power Rating (Watts x Channels) - 4 Ohms

300 x 1

RMS Power Rating (Watts x Channels) - 2 Ohms

500 x 1

RMS Power Rating (Watts x Channels) - 1.5 Ohm


RMS Power Rating - Bridged N/A
Minimum Impedance Unbridged (Ohms)


Minimum Impedance Bridged (Ohms)


THD at Rated RMS Power


Bulit-in Crossover - Low Pass


Built-in Crossover - High Pass
High Pass Crossover Frequency (Hz)


Low Pass Crossover Frequency (Hz)
Signal-to-Noise Ratio


Bass Boost
Bass Remote Included


Fuse Rating 50A
CEA-2006 Compliant Yes
Maximum Power Wire Gauge Size 4 Gauge
Warranty 1 Year
Customer Reviews

Returns Policy

You may return most new, unopened items within 60 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund much quicker. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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