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
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
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
Low Frequency response : 50-500 Hz
Number of Channels : 1
Frequency Response : 7-500 Hz
RMS Power Output : 250x1 Watts
Amplifier Class : D
Fuse Rating : 50 A
Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V
Designed to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the JD500/1 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 JD500/1’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 JD500/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you 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: 350 W RMS x 1
@ 2 ohms: 500 W RMS x 1
@ 1.5 ohms: N/A
Rated Continuous (RMS) Power @ 12.5 V
@ 4 ohms: 225 W RMS x 1
@ 3 ohms: 300 W RMS x 1
@ 2 ohms: 400 W RMS x 1
@ 1.5 ohms: N/A
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 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: 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
Height (H): 2.10 in / 53 mm
Width (W): 9.50 in / 242 mm
Depth (D): 7.50 in / 190 mm
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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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You may call our Customer Service Department at 310-526-8635 for a more accurate shipping estimate.
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