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JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V

JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω – 14.4V

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Born to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the RD500/1 amplifier was engineered to generate tons of pure subwoofer bliss from a sleek, ultra-compact chassis.

The secret behind its power proficiency is our proprietary NexD™ switching technology, which delivers large amounts of power output with precise efficiency and ultra-low distortion.

For your convenience, the RD500/1’s controls are located on top of the amplifier, beneath a protective cover, with all connections found along one side of its 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 most input voltage levels. 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 RD500/1 is also equipped with an onboard LED-clipping indicator. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity setting, quickly and accurately, with no special equipment needed. The RD500/1 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition.

With the addition of RBC-1 remote level control (sold separately), you can control the subwoofer output directly from the driver’s seat.

GENERAL SPECIFICATIONS:

  • 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™)
  • Height (H): 2.13 in / 54 mm
  • Width (W): 9.78 in / 248 mm
  • Depth (D): 6.96 in / 177 mm