JL Audio JD250/1
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Item# 55820 / Condition:  Brand New    Review this product

JL Audio JD250/1

JD250/1
175 Watts @ 4 ohm / 250 Watts @ 2 ohm - 14.4V Monoblock Class D Subwoofer Amplifier
$189.99

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Save $50.00 | Reg. Price $239.99 In Stock
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Compact Footprint

Benefits:

  • They fit nearly anywhere!
    • JD250/1 & JD500/1: 9.50 x 7.50 x 2.10 in. (242 x 190 x 53 mm) JD1000/1: 11.40 x 7.50 x 2.10 in. (290 x 190 x 53 mm)
  • High-mass heat sink improves thermal capacity leading to reduced incidence of shut-down events.

NexDTM Switching Amplifier Technology

Benefits:

  • JL Audio's high-speed switching technology delivers outstanding fidelity with very low noise and distortion.
  • Exceptional efficiency results in reduced current draw and heat, permitting reliable high power output within a very small chassis.
  • Specifically optimized for subwoofer applications (7 Hz - 500 Hz bandwidth)

Complete Signal Processing Package

Benefits:

  • 12dB/octave low-pass filter, non-defeatable, with fully variable filter frequency selection from 50-500 Hz
  • Adjustable 0 to +12 dB Bass Boost EQ @ 45 Hz
  • Remote level control with optional controller (RBC-1)
  • Preamp outputs (buffered, pass-through type)

Dual-Range, Differential-Balanced Inputs and Automatic Turn-On Capabilities

Benefits:

  • NO NOISE! Outstanding noise rejection prevents alternator whine and other noises.
  • Accepts line-level or speaker level signals (up to 8V RMS), including those from factory systems, without a line-output converter
    • (LOC): just splice wires to a pair of RCA ends or RCA cables.
  • Automatic turn-on option via Signal-Sensing or DC-Offset sensing

Integrated LED Clipping Indicator for Easy Setup

Benefits:

  • Simplifies input-sensitivity setting by providing accurate visual feedback of output clipping level.
    • Disconnect one speaker output wire
    • Play full-scale (0 dBfs) sine-wave through audio system, with head unit at 3/4 volume and tone controls set flat.
    • Adjust input sensitivity until light turns on, then back off slightly.
  • Separate, top-mounted LEDs report overall status and condition

Monoblock Class D Subwoofer Amplifier, 250 W x 1 @ 2 Ω / 150 W x 1 @ 4 Ω - 14.4V

Designed to produce a healthy 250 watts into 2 ohms (14.4V, 1% THD), the JD250/1 amplifier is a great solution for powering subwoofers in a cost-conscious system. JL Audio's proprietary NexD™ switching technology delivers large amounts of real-world power output with excellent efficiency and ultra-low distortion.

The JD250/1’s controls are located on the input panel. while the power and speaker connections can be found along the opposite end of its extruded aluminum 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 line-level and speaker-level signals. 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 JD250/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you easily set your amplifier’s input sensitivity, quickly and accurately, without special equipment. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer level from the driver’s seat.

Rated Continuous (RMS) Power @ 14.4 V

  • @ 4 ohms: 250 W RMS x 1
  • @ 3 ohms: 200 W RMS x 1
  • @ 2 ohms: 150 W RMS x 1
  • @ 1.5 ohms: 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: 10
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer 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 replacement within 1 year from the original date of purchase with proper return authorization.

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