JL Audio JD250/1 JD Series 250W RMS x 1 at 2 Ohms, Class-D Mono Subwoofer Car Amplifier
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What's Inside?
- • Monoblock Subwoofer Amplifier
- • 2.5mm Hex Key
- • 3mm Hex Key
- • Owner's Manual
JL Audio's JD Series Amplifier
The youngest brother in JD Series amplifiers, the JL Audio JD250/1 can still maximize your subwoofer's potential thanks to its Class-D amp design technology. This mono subwoofer amplifier is equipped with JL Audio's own patented technologies and has a compact chassis, so not only do you get a high-quality bass output from it, but you won't also have a hard time installing it in your vehicle.
NexD Switching Technology
The amplifier is equipped with the famous NexD Switching technology, which uses a self-oscillating modulator to help remove the noise that comes from fluctuations in power supply voltage. JL Audio’s JD250/1 is also loaded with differential-balanced inputs, which also cancels out the noise that comes from the usual car audio system wiring setup.
Deep Bass and Minimal Distortion
The JL Audio JD250/1 can deliver a power output of 150 Watts at 4 ohms and 250 Watts at 2 ohms. With a frequency response of 7 up to 500 Hz, you get not only a loud bass output but also a deep and extensive low-frequency performance with minimal distortion.
Customizable Low-Pass Filter
This mono amplifier also has a variable low-pass filter that can be set from 50 up to 500 Hz and a bass boost control of up to 12 dB at 45 Hz. With JL Audio JD250/1’s features, you can get the more defined bass quality that you deserve.
- Low Frequency Response : 50-500 Hz
- Number of Channels : 1
- Frequency Response : 7-500 Hz
- Built In Crossovers : Yes
- RMS Power Output : 1x250 Watts
- Amplifier Class : D
- Fuse Rating : 30 A
- XP750-SE OFFER : Yes
Features:
- Power Output: 250 W x 1 @ 2 Ω / 150 W x 1 @ 4 Ω (14.4V, 1% THD)
- NexD™ Switching Technology: Provides high power output with excellent efficiency and ultra-low distortion
- Chassis Design: Extruded aluminum chassis with controls on the input panel and power/speaker connections on the opposite end
- Low-Pass Filter: 12 dB / octave with continuously variable frequency selection from 50-500 Hz
- Bass Boost EQ: Variable for enhanced low-end performance
- Input Options: Dual-range, differential-balanced inputs for both line-level and speaker-level signals
- Automatic Turn-On: Activated by signal sensing or DC-offset sensing
- Preamp Outputs: Allows for easy signal passing to additional amplifiers
- LED Clipping Indicator: Input sensitivity control with an onboard LED-clipping ring for quick and accurate setup
- Optional Remote Level Control: Compatible with the RBC-1 for subwoofer level adjustments from the driver’s seat (sold separately)
Specifications:
Rated Continuous (RMS) Power @ 14.4 V
- @ 4 Ω: 150 W RMS x 1
- @ 3 Ω: 200 W RMS x 1
- @ 2 Ω: 250 W RMS x 1
- @ 1.5 Ω: N/A
Rated Continuous (RMS) Power @ 12.5 V
- @ 4 ohms: 115 W RMS x 1
- @ 3 ohms: 150 W RMS x 1
- @ 2 ohms: 200 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 >60 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 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: 8 AWG wire
- Fuse Rating: 30 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): 9.50 in / 242 mm
- Depth (D): 7.50 in / 190 mm
- UPC: 699440983600
- Weight: 7.01
- 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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Oh! This amplifier really pushes my subwoofer to their maximum performance compared to my last amp. No wonder why many loves this specific amplifier.
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Awesome power! I've barely turned up the gain, and my subwoofer already hits harder than what I've expected from it. Delivers great power and sounds super clean.
