an Extra 5 %
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an Extra 5 %
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an Extra 5 %
off
JL Audio RD500/1 Monoblock Class D Subwoofer Amplifier
JL Audio 1 x 500 RMS 4Ω
( JL Audio RD5001)
- Australian JL Audio Warranty
- Purchase Guarantee (see T&C's)
- JL Audio JD500/1 Mono Amplifier
- 500W x 1 @ 2Ω / 250W x 1 @ 4Ω NexD™ Class D power
- Includes low-pass filter (50–500 Hz), bass boost EQ & LED clipping indicator
- Compact, durable extruded aluminum chassis with optional RBC-1 remote control
Overview
The JL Audio 1 x 500 RMS 4Ω monoblock amplifier delivers clean, efficient power for subwoofers, offering 500 watts at 2Ω or 250 watts at 4Ω. Utilizing JL Audio’s exclusive NexD™ Class D switching technology, it ensures high efficiency and ultra-low distortion for precise, controlled bass output. Designed with practicality in mind, it features a 12 dB/octave low-pass filter, variable bass boost EQ, and dual-range differential-balanced inputs compatible with both line- and speaker-level signals. Its onboard LED clipping indicator simplifies gain setup, while the optional RBC-1 remote control allows convenient subwoofer level adjustment from the driver’s seat.
Key Features:
Monoblock Class D Amplifier
Delivers 500W x 1 at 2Ω or 250W x 1 at 4Ω (14.4V), providing clean, powerful bass performance for subwoofer applications.
Advanced NexD™ Switching Technology
Employs JL Audio’s proprietary NexD™ Class D design for exceptional efficiency, reduced distortion, and superior audio clarity.
Comprehensive Signal Processing
Features a 12 dB/octave low-pass filter (50–500 Hz), variable bass boost EQ, and dual-range differential-balanced inputs for flexible tuning.
Smart Control & Setup Features
Equipped with an LED clipping indicator for precise gain setting, automatic turn-on (signal or DC-offset sensing), and preamp outputs for system expansion.
Durable & Compact Design
Built with an extruded aluminum chassis for effective heat dissipation and long-term reliability, compatible with optional RBC-1 remote level control.
| 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 |
| 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™) |
| 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 | 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 |
| Physical Specifications | |
| Height (H) | 2.13 in / 54 mm |
| Width (W) | 9.78 in / 248 mm |
| Depth (D) | 6.96 in / 177 mm |
| Net Weight |
- 1 x JL Audio 1 x 500 RMS 4Ω
Peace of Mind Purchase Guarantee
This product is supplied via JL Audio Australia and enjoys the FULL benefits of the 'Genuine JL Audio Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department or you can speak with JL Audio Australia directly.
We are a FULLY AUTHORISED Australian retailer for JL Audio Australia.
Disclaimer
Due to differing operating costs associated with selling products via different marketplaces, our pricing may vary.
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