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JL Audio JD500/1 JD Series Monoblock Amp Class D Subwoofer Amplifier 500w RMS

JL Audio JD500/1 JD Series Monoblock Amp Class D Subwoofer Amplifier 500w RMS

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JD500/1

Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V

Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V

Designed to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the JD500/1 amplifier is a great solution for powering subwoofers in a cost-conscious system. Our proprietary NexD™ switching technology delivers large amounts of real-world power output with excellent efficiency and ultra-low distortion.

The JD500/1’s controls are located on the input panel. while the power and speaker connections can be found along the opposite end of its extruded aluminum chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balanced inputs are also on-hand, capable of accepting line-level and speaker-level signals. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier. 

The JD500/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you set your amplifier’s input sensitivity, quickly and accurately, without special equipment. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer level from the driver’s seat.

  • Rated Continuous (RMS) Power @ 14.4 V
  • @ 4 Ω    250 W RMS x 1
  • @ 3 Ω    350 W RMS x 1
  • @ 2 Ω    500 W RMS x 1
  • @ 1.5 Ω    N/A
  • Rated Continuous (RMS) Power @ 12.5 V
  • @ 4 Ω    225 W RMS x 1
  • @ 3 Ω    300 W RMS x 1
  • @ 2 Ω    400 W RMS x 1
  • @ 1.5 Ω    N/A
  • Frequency Response    7 Hz - 500 Hz (+0, -1dB)
  • S/N Ratio, referred to highest rated power    >80 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • S/N Ratio, referred to 1 W    >60 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • Damping Factor @ 4 Ω    >1000 / 50 Hz
  • Damping Factor @ 2 Ω    >500 / 50 Hz
  • THD+N @ Rated Power    <1% @ 2 Ω per Ch.
  • Input Voltage Range @ RCA Inputs    Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
  • Min.Copper Power / Ground Wire Gauge    4 AWG wire
  • Fuse Rating    50 A (AFS, AGU or MaxiFuse™)
  • Filter Mode(s)    Low-Pass only
  • Filter Slope(s)    12 dB/octave
  • Filter Frequency Range    50 Hz - 500 Hz
  • Detented, Calibrated Filter Freq. Potentiometer    No
  • Filter Defeat Function    No
  • Infrasonic Filter    No
  • Bass Boost EQ    Yes
  • Output Polarity Switch    No
  • Remote Subwoofer Level Control    Optional (RBC-1)
  • Remote Bass EQ Boost Control    No
  • Pass-Through Preamp Output    Buffered
  • Height (H)    2.10 in / 53 mm
  • Width (W)    9.50 in / 242 mm
  • Depth (D)    7.50 in / 190 mm
  • Net Weight    
  • Monoblock subwoofer amplifier
  • 2.5mm Hex key
  • 3mm Hex key
  • Owner's manual
  • Product Information

    JD500/1

    Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V

    Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V

    Designed to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the JD500/1 amplifier is a great solution for powering subwoofers in a cost-conscious system. Our proprietary NexD™ switching technology delivers large amounts of real-world power output with excellent efficiency and ultra-low distortion.

    The JD500/1’s controls are located on the input panel. while the power and speaker connections can be found along the opposite end of its extruded aluminum chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balanced inputs are also on-hand, capable of accepting line-level and speaker-level signals. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier. 

    The JD500/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you set your amplifier’s input sensitivity, quickly and accurately, without special equipment. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer level from the driver’s seat.

  • Specification
    • Rated Continuous (RMS) Power @ 14.4 V
    • @ 4 Ω    250 W RMS x 1
    • @ 3 Ω    350 W RMS x 1
    • @ 2 Ω    500 W RMS x 1
    • @ 1.5 Ω    N/A
    • Rated Continuous (RMS) Power @ 12.5 V
    • @ 4 Ω    225 W RMS x 1
    • @ 3 Ω    300 W RMS x 1
    • @ 2 Ω    400 W RMS x 1
    • @ 1.5 Ω    N/A
    • Frequency Response    7 Hz - 500 Hz (+0, -1dB)
    • S/N Ratio, referred to highest rated power    >80 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
    • S/N Ratio, referred to 1 W    >60 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
    • Damping Factor @ 4 Ω    >1000 / 50 Hz
    • Damping Factor @ 2 Ω    >500 / 50 Hz
    • THD+N @ Rated Power    <1% @ 2 Ω per Ch.
    • Input Voltage Range @ RCA Inputs    Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
    • Min.Copper Power / Ground Wire Gauge    4 AWG wire
    • Fuse Rating    50 A (AFS, AGU or MaxiFuse™)
    • Filter Mode(s)    Low-Pass only
    • Filter Slope(s)    12 dB/octave
    • Filter Frequency Range    50 Hz - 500 Hz
    • Detented, Calibrated Filter Freq. Potentiometer    No
    • Filter Defeat Function    No
    • Infrasonic Filter    No
    • Bass Boost EQ    Yes
    • Output Polarity Switch    No
    • Remote Subwoofer Level Control    Optional (RBC-1)
    • Remote Bass EQ Boost Control    No
    • Pass-Through Preamp Output    Buffered
    • Height (H)    2.10 in / 53 mm
    • Width (W)    9.50 in / 242 mm
    • Depth (D)    7.50 in / 190 mm
    • Net Weight    
  • What's Included
    • Monoblock subwoofer amplifier
    • 2.5mm Hex key
    • 3mm Hex key
    • Owner's manual
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