JL Audio JD1000/1 JD Series 1000W RMS x 1 at 2 Ohms, Class-D Mono Subwoofer Car Amplifier with NexD™ Switching Technology
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What's Inside?
- • JD Series Class-D Mono Subwoofer Car Amplifier
- • 2.5 mm Allen-wrench
- • 3 mm Allen-wrench
- • Owner's Manual
Why Choose JL Audio JD1000/1 Mono Subwoofer Amplifier?
Distortion-Free Power with NexD™ Technology
Unlock powerful, distortion-free bass with NexD™ technology, delivering up to 1000 W at 2 Ω and 600 W at 4 Ω for a truly intense sound experience. This advanced Class D Monoblock amplifier maximizes efficiency, ensuring your system stays cool while pumping out serious power. With the adjustable 12 dB/octave low-pass filter, you’ll have precise control over frequencies from 50-500 Hz, allowing you to fine-tune your bass for the ultimate performance.
Seamless Integration and Hassle-Free Activation for Ultimate Audio Flexibility
Get ready to customize your bass with the variable bass boost EQ, letting you dial in the perfect low-end sound. Enjoy seamless integration with dual-range, differential-balanced inputs, accommodating both line-level and speaker-level signals for maximum flexibility. Plus, with automatic turn-on via signal or DC-offset sensing, your system is always ready to deliver powerful audio without any hassle.
Effortless Connectivity and Smart Setup for Peak Performance
Easily expand your system with convenient preamp outputs, allowing you to connect additional amplifiers for even more power. Set up your audio with confidence using the LED clipping indicator, which ensures quick and accurate input sensitivity adjustments for optimal performance every time.
Rugged Reliability and On-the-Go Control
Built tough with a durable extruded aluminum chassis, this amplifier offers a sleek, streamlined layout for easy installation. Take control of your sound on the go with the optional RBC-1 remote level control (sold separately), letting you adjust your subwoofer levels right from the driver's seat for an unmatched in-car audio experience.
Frequently Asked Questions (FAQ)
- • Why does the amplifier keep flashing a red protection light and shutting off during heavy bass notes?
This is usually caused by low voltage drops or an improper speaker load. Check your ground wire connection to bare metal, and verify that your subwoofers are not wired below the amplifier's strict 2-ohm minimum limit.
- • Why is the LED ring around the gain knob flashing orange or amber when I turn the volume up?
The integrated Cliplite indicator flashes orange to warn you that the input signal is clipping. Turn down the amplifier's input gain control immediately until the light stops flashing to prevent burning out your subwoofer's voice coils.
- • Why does the amplifier run extremely hot to the touch even when playing at moderate volumes?
Class D amplifiers run warm, but excessive heat indicates poor air circulation, thin 8-gauge power wires, or driving a continuous 2-ohm load near clipping. Ensure it is mounted with breathing room and fed with high-quality 4-gauge OFC wire.
- • Why is there no sound coming from my subwoofer even though the amplifier's power light is solid green?
Verify that your RCA input cables are securely plugged into the correct input side and that the "Output Mode" switch is set properly. Also, double-check that your subwoofer's voice coil wires haven't slipped out of the terminal block.
- • Why won't the amplifier turn on at all when using the automatic turn-on (turn-on mode) feature?
The DC-Offset and Signal-Sensing turn-on modes require a stable audio signal from your factory radio wires. If your factory source drops voltage or goes silent, switch the toggle to "REM" and run a physical 12V remote wire instead.
- • Why does the bass sound muddy, distorted, or lack punch after installing this monoblock?
Your low-pass filter (LPF) or infrasonic filter settings are likely misconfigured. Set the LPF filter around 80Hz to block out vocals, and set the infrasonic filter to 30Hz if you are running a ported subwoofer enclosure.
- • Can I wire two individual 4-ohm subwoofers together to this amplifier safely?
Yes. Wiring two 4-ohm single voice coil subwoofers in parallel drops the load to 2 ohms, which matches the maximum 1000-watt output efficiency sweet spot of the JD1000/1.
- • Why isn't my optional RBC-1 bass knob changing the subwoofer volume level?
Ensure you are using the correct optional RBC-1 analog controller rather than the digital HD-RLC knob, and confirm the data cable is clicked firmly into both the knob and the amplifier's remote port.
- Low Frequency Response : 50-500 Hz
- Number of Channels : 1
- Frequency Response : 50-500 Hz
- Built In Crossovers : Yes
- RMS Power Output : 1x1000 Watts
- Amplifier Class : D
- Promo : Yes
Features:
- EFFICIENT CLASS-D DESIGN: Small size, minimal heat and lots of power — Class-D amplifier design offers significant advantages. And our NexD switching technology adds even more, using enhanced pulse width modulation techniques to boost the amplifier’s bandwidth while minimizing distortion and improving efficiency.
- CLEAN, POWERFUL, RELIABLE: With a choice of 250-, 500- or 1000-watt amplifier versions delivering clean power into a 2-ohm load (14.4 volts, 1% THD), the JD monoblocks offer versatile applications. Use a JD mono amplifier to drive a single subwoofer — or a pair to deliver stunning output from your subwoofer system.
- PREMIUM-LEVEL SIGNAL PROCESSING: For easy setup and interface with your speaker system, the JD series features a 12 dB/octave low-pass filter, with continuously variable frequency selection from 50–500 Hz and a variable bass boost EQ.
- SPEAKER LEVEL OR RCA INPUTS: Our versatile JD series design features dual-range, differential-balanced inputs capable of accepting line-level and speaker-level signals. The technology offers superior noise rejection and excellent compatibility with a wide range of input signal voltages.
- LED CLIPPING INDICATOR RINGS: An LED clipping indicator ring that surrounds each input level potentiometer lets you quickly and accurately set your amplifier’s input sensitivity, without the need for additional test equipment.
- BUILT STRONG AND SMART: Featuring a sleek industrial design with molded end caps and an aluminum extruded chassis, the JD series’ power indicator and protection LED indicators shine from behind a simple black logo bar on the top surface of the amplifier.
- DIFFERENTIAL-BALANCED INPUTS: Combating induced cable noise, this technology allows for the use of conventional RCA cables while delivering many of the benefits of a true balanced connection and accepting a wide range of input signal levels.
- NexD SWITCHING TECHNOLOGY: Using enhanced pulse width modulation techniques, NexD technology achieves exceptional audio fidelity and efficiency while delivering high-power output from very compact amplifier designs.
Specifications:
Rated Continuous (RMS) Power @ 14.4 V
- @ 4 ohms: 600 W RMS x 1
- @ 3 ohms: 800 W RMS x 1
- @ 2 ohms: 1000 W RMS x 1
- @ 1.5 ohms: N/A
Rated Continuous (RMS) Power @ 12.5 V
- @ 4 ohms: 500 W RMS x 1
- @ 3 ohms: 650 W RMS x 1
- @ 2 ohms: 800 W RMS x 1
- @ 1.5 ohms: 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 ohms: >1000 / 50 Hz
- Damping Factor @ 2 ohms: >500 / 50 Hz
- THD+N @ Rated Power: <1% @ 2 ohms 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: 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): 2.10 in / 53 mm
- Width (W): 11.40 in / 290 mm
- Depth (D): 7.50 in / 190 mm
- UPC: 699440983631
- Weight: 7
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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Write a review!
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Bought this last year and buying this JL amp has been a delight. I have this hooked to two 15W0v3-4 and it sounds divine. It sounds so clean and I have been getting compliments from friends about how good the sound is.
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I'm pushing my 2 12 inch Tarantula T5 Soundstream 1000 watt RMS EACH in a ported box with this 1000/1 D MONO JL and you wouldn't believe how ridiculous it sounds. My son is always waiting for me at the door when I get home cause he can hear me blocks away.
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Thus is a great amp, sounds great.
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BOOM! my sub really improved way better than before after using this amp from JL Audio. exactly what i have been wanting for a long time.
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I'm running it with a 12 inch and I'm happy with how thing turned out to be. What a powerful amp for its size. Clean sound and is easy to install. Maybe just watch out as it takes much power also, which is pretty expected for this kind of amp
