JL Audio RD500/1 Monoblock Class D Subwoofer Amp - 500W RMS x1 @ 2 ohms

JL AUDIO RD500/1

Monoblock Class D Subwoofer Amplifier | 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V 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 an RBC-1 remote level control (sold separately), you can control the subwoofer output directly from the driver’s seat.

Rated Continuous (RMS) Power @ 14.4 V

Rated Continuous (RMS) Power @ 12.5 V

• 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

The JL AUDIO RD LIne

The RD line from JL Audio offers substantially more capability, performance, and installer friendliness at an affordable price. These all-new, in-house amplifier products feature a beautiful industrial design with Full-Range NexD Class D switching technology that minimizes heat, improves sound quality, and offers unwavering reliability. The aluminum alloy chassis looks great while providing the cooling and protection properties the amp needs to function properly. The back of the amplifier is lined with all of the connections to make installation efficient and simple. The RD features three different turn-on modes: the traditional 12-volt trigger, signal, sensing, and DC offset. This unit also features JL Audio’s noise killing differential balanced inputs, which maximize compatibility with a wide range of source units and signals.

Entirely new for the RD line is an output clipping indicator for each channel section! This feature makes setting input levels easier than ever. No voltmeter, no more waiting, and one very accurate gain setting.

Also brand new, is an improved solution to bridging channel pairs. Previous JL Audio amplifiers required using y adaptors on the inputs if you were using a mono signal. To simplify installers lives, the RD amps include switches in their stereo channel input sections, eliminating the need for y adaptors. These new features and of all the classic basics make this the perfect addition to your car audio system.