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JL Audio :: XD400/4 :: $319.00

JL Audio XD400/4

Item# 27597

400W RMS 4-Channel Class-D XD Series Car System Amplifier with NexD Switching Technology

Sorry, this product is no longer available.

Power Handling

  • Rated Power @ 14.4V
    • 75W RMS x 4 @ 4 ohms
    • 100W RMS x 4 @ 2 ohms
    • 150W RMS x 2 [Bridged] @ 8 ohms
    • 200W RMS x 2 [Bridged] @ 4 ohms
  • Rated Power @ 12.5V
    • 60W RMS x 4 @ 4 ohms
    • 90W RMS x 4 @ 2 ohms
    • 120W RMS x 2 [Bridged] @ 8 ohms
    • 180W RMS x 2 [Bridged] @ 4 ohms

General Features

  • 12dB/octave Butterworth filter alignment
  • Selectable High-Pass or Low-Pass modes for each channel pair
  • Fully-variable frequency selection from 50-500 Hz
  • Fully-defeatable for use with external crossovers
  • Inputs: Two Stereo Pairs (RCA-Type Jacks), Differential-Balanced Inputs
  • On-board Crossover: State-variable, 12dB/octave Butterworth with continuously variable cutoff frequency selection from 50-500 Hz. Configurable as Low-Pass or High-Pass. Defeatable.
  • Speaker output connections: Accept up to 12 AWG wire
  • +12V and Ground connections: Accept up to 4 AWG wire
  • Cutting-edge NexD Class D switching technology reduces distortion and delivers exceptional efficiency
  • Active Crossover Features fully variable 12dB/octave filters with detented filter frequency selection controls offer excellent tuning flexibility.
  • Borrowing a page from the HD amplifiers' bag of tricks, the XD amplifiers employ advanced thermal and low-impedance protection to virtually eliminate annoying amplifier shut-down events
  • Pass-through pre-amp outputs permit interconnection of multiple amplifiers
  • Differential-Balanced Inputs greatly reduce noise and provide compatibility with a wide range of sources, including most OEM systems.
  • With the addition of an HD-RLC you can control the overall level of the amplifier (or amplifiers) from the front of your vehicle.

General Specifications

  • THD at Rated Power: <1% THD+Noise (20Hz - 20 kHz)
  • S/N Ratio:
    • >104 dB referred to rated power (A-weighted, 20 Hz-20 kHz noise bandwidth)
    • >84 dB referred to 1W (A-weighted, 20 Hz-20 kHz noise bandwidth)
  • Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
  • Damping Factor:
    • >150 @ 4 ohms per ch./ 50 Hz
    • >75 @ 2 ohms per ch. / 50 Hz
  • Input Range: 100mV - 4V RMS
  • Dimensions (L x W x H): 8.52" x 7.09" x 2.05"
    *Warranty: 1 Year warranty.
    1 Year warranty from implies that repairs must be returned to, not the manufacturer. More information can be found in our help section under returns & warranties.
    What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.

    Do you own this product?  Write a review

       Ed From Ohio
    I have this amp running 4 6x9 speakers on my Harley and the only thing I can say is WOW!

       Seth Goulden From Los Angeles
    Was a little hard to tune but works great and pairs well with JL Audio speakers.

       Ed From Ohio
    I purchased this Amp for my Harley Davidson Roadglide, I must say the sound that comes out now is a big improvement or the last Amp I had! JL 4 LIFE!