JL Audio RD1000/1 Monoblock Class D Subwoofer Amplifier, 1000W

JL AudioSKU: RD10001


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  • Mono subwoofer amplifier
  • 600 watts RMS x 1 at 4 ohms (1000 watts RMS x 1 at 2 ohms)
  • Class D amplifier design with NextD™ switching amp technology
  • Differential-balanced inputs help eliminate noise
  • Variable low-pass filter (50-500 Hz, 12 dB/octave)
  • Variable bass boost (0-12 dB at 45 Hz)
  • LED clip light helps set gain
  • Overview

    Purpose-built for subwoofer applications, the RD1000/1 monoblock amplifier delivers 1000 watts of jaw-dropping bass output into 2 ohms (14.4V, 1% THD). At the heart of this ultra-sleek and compact power plant is JL Audio’s exclusive NexD™ Class D technology, permitting high power output with exceptional efficiency and low distortion.

    For your convenience, all of the RD1000/1’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-balance inputs are also onboard, 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 RD1000/1 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 RD1000/1 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition. Control of the subwoofer level from the driver’s seat is easily accomplished with the addition of the optional RBC-1 remote level control (sold separately).

    Rated Continuous (RMS) Power @ 14.4 V

    @ 4 Ω 600 W RMS x 1
    @ 3 Ω 800 W RMS x 1
    @ 2 Ω 1000 W RMS x 1
    @ 1.5 Ω N/A


    Rated Continuous (RMS) Power @ 12.5 V

    @ 4 Ω 500 W RMS x 1
    @ 3 Ω 650 W RMS x 1
    @ 2 Ω 800 W RMS x 1
    @ 1.5 Ω N/A


    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 >50 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 80 A (AFS, AGU or MaxiFuse™)


    Signal Processing

    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 30 Hz, defeatable
    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


    Physical Specifications

    Height (H) 2.13 in / 54 mm
    Width (W) 14.66 in / 372 mm
    Depth (D) 6.96 in / 177 mm

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