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JL Audio XD300/1v2

Mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms

Save 50% on a select amp wiring kit with any $249+ car amplifier with any $249+ car amplifier
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  • JL Audio XD300/1v2

    Front

  • JL Audio XD300/1v2

    Connection panel

  • JL Audio XD300/1v2

    Connection panel

  • JL Audio XD300/1v2

    Control panel uncovered

  • JL Audio XD300/1v2

    Interior layout

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

  • JL Audio XD300/1v2

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Our take on the JL Audio XD300/1v2

by Buck Pomerantz
JL Audio

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Power your sub

JL Audio XD300/1v2

Compact design applies to internal components too.

JL Audio's XD300/1v2 amp packs a wallop far beyond what you'd expect from something so small. This amp plays bass with true fidelity and impressive impact, without straining your car's electrical system. A cast alloy heatsink and an advanced cooling system keep this amp at optimal temperature, eliminating thermal shut-downs so your music keeps going strong without interruption.

The XD300/1v2 mono amp delivers up to 300 watts RMS to your subwoofer, and its low-pass filter features a choice of slopes for better control over the character of your bass. A subsonic filter allows you to tighten up your system's kick and gets rid of any inaudible, low-frequency information that could detract from your sub's performance.

Works with almost any vehicle's system

"Differential-balanced" inputs keep the signals clear of outside noise, and allow you to connect this amp to just about any in-dash stereo, even a factory radio. The speaker-level inputs feature two auto turn-on modes so you can readily incorporate this amp into a factory system — no need for RCA connections or a remote turn-on lead. An optional wired remote lets you tweak the volume of your sub from the front seat.

JL Audio XD600/1v2

                                         XD600/1v2 connection panel

Highlights:

  • mono subwoofer amplifer
  • 200 watts RMS x 1 at 4 ohms (300 watts RMS x 1 at 2 ohms)
  • variable low-pass filter (50-500 Hz, 12 or 24 dB/octave)
  • optional wired remote level controller
  • Class D amplifier design with NextD™ switching amp technology
  • differential-balanced inputs eliminate noise coming from your vehicle's electrical system
  • Advanced Rollback Protection System prevents thermal shut-down
Connection Features
  • preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input)
  • high-level inputs — up to 8 volts RMS (about 16 watts)
  • DC offset or signal sensing auto turn-on eliminates need for remote lead
  • preamp outputs
  • 8-gauge power and ground leads and a 30-amp fuse recommended — wiring and hardware not included with amplifier
  • no onboard fuses — when installing multiple amps in a system, an additional 30-amp in-line fuse between the distribution block and the amplifier is recommended
  • 6-7/8"W x 2-1/16"H x 7-1/8"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
Preliminary info from the manufacturer
Features and Specs
Performance
RMS Power Output (Watts x Channels)
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200 x 1
Peak Power Output (Watts x Channels)
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---
Power at 2 Ohms (Watts x Channels)
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300 x 1
Bridged Power (Watts x Channels)
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---
Minimum Impedance Bridged
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---
Minimum Impedance Unbridged
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2
Best Frequency Response
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7-500 Hz
THD at Rated RMS Power
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---
Signal to Noise Ratio
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---
Input Voltage
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---
Features
Amplifier Class
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D
Low-Pass Crossover Frequency
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50-500 Hz
Low-Pass Slope (dB/octave)
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12 or 24 dB/octave
High-Pass Crossover Frequency
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---
High-Pass Slope (dB/octave)
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---
Bass Boost
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---
Bass Boost Frequency
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---
Fan Cooled
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---
Fuse Rating
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30
Speaker Level Inputs
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RCA
Preamp Outputs
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1 pair
Width (inches)
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6-7/8
Height (inches)
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2-1/16
Depth (inches)
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7-1/8
Parts Warranty
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2 Year
Labor Warranty
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2 Year
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