JL Audio JD500/1 Monoblock Subwoofer Amp 500W NexD

JL Audio JD500/1 Monoblock Subwoofer Amp 500W NexD

Monoblock Class D subwoofer amplifier delivering up to 500 watts into 2 ohm with NexD switching, differential-balanced inputs, variable low-pass 50-500Hz and remote level option.

Installation is excluded from the advertised product price unless specifically stated otherwise. Should you require professional installation, please contact the Rivonia Car Sound team for advice and a separate quotation. Additional installation accessories may be required, depending on the vehicle and product.

SKU JD500/1 Category Brand:

Vehicle logos indicate compatibility only. This product is not manufactured or endorsed by the vehicle brand.

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The JL Audio JD500/1 is a monoblock Class D subwoofer amplifier rated up to 500 W x1 at 2 ohm (14.4V) and provides high real-world power with efficient NexD switching technology for low distortion and compact size.

The amplifier features an extruded aluminum chassis with controls on the input panel and power/speaker connections on the opposite end. Signal processing includes a 12 dB per octave low-pass filter adjustable from 50 to 500 Hz, variable bass boost, an LED clipping indicator around the input sensitivity control, and buffered pass-through preamp outputs.

Connectivity and control include dual-range differential-balanced inputs that accept line-level and speaker-level signals, automatic turn-on via signal sensing or DC offset sensing, and compatibility with an optional RBC-1 remote level control for driver seat subwoofer adjustment.

  • Rated power 14.4V: 500 W x1 @ 2 ohm, 350 W x1 @ 3 ohm, 250 W x1 @ 4 ohm
  • Rated power 12.5V: 400 W x1 @ 2 ohm, 300 W x1 @ 3 ohm, 225 W x1 @ 4 ohm
  • Frequency response: 7 Hz – 500 Hz (+0, -1 dB)
  • Signal to noise ratio: greater than 80 dB referred to highest rated power; greater than 60 dB referred to 1 W
  • THD at rated power: less than 1% @ 2 ohm
  • Input voltage range RCA: switchable low 200 mV – 2 V RMS or high 800 mV – 8 V RMS
  • Low-pass filter: 12 dB per octave, continuously variable 50 Hz – 500 Hz
  • Bass boost: variable
  • Inputs: dual-range differential-balanced inputs accept line-level and speaker-level signals
  • Automatic turn-on: signal sensing or DC-offset sensing
  • Pass-through preamp outputs: buffered
  • Minimum power/ground wire gauge: 4 AWG
  • Recommended fuse rating: 50 A (AFS, AGU or MaxiFuse)
  • Dimensions: Height 2.10 in / 53 mm; Width 9.50 in / 242 mm; Depth 7.50 in / 190 mm
  • NexD switching technology for high efficiency and low distortion
  • 500 W x1 at 2 ohm (14.4V) real-world power output
  • Dual-range differential-balanced inputs accept line and speaker-level signals
  • Variable 12 dB/octave low-pass filter 50-500 Hz and variable bass boost
  • LED clipping indicator ring for accurate input sensitivity setting
  • Automatic turn-on via signal sensing or DC-offset sensing and buffered preamp outputs
  • Optional RBC-1 remote subwoofer level control
  • Disconnect vehicle battery before installation
  • Use 4 AWG power and ground wiring and install a 50 A fuse at the battery
  • Mount amplifier securely with adequate ventilation and avoid obstructing cooling
  • Follow manufacturer wiring, grounding and polarity guidelines to prevent damage
  • Compatible with 12V automotive electrical systems
  • Designed for powering subwoofers at 2 ohm and 4 ohm loads
  • Accepts RCA line-level and speaker-level signals from factory and aftermarket head units

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