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JL Audio Marine Monoblock Power Amplifier - M1400

Abt Model: M1400
 Discontinued Product This item is no longer available from our website.
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500 Watts RMS (Rated Power 14.5 V)/ Absolute Symmetry A/B Circuitry/ Fully Variable 12dB/Octave Filters/ Pass-Through Pre-Amp Outputs/ Bass Boost Circuits/ Advanced Rollback Protection
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Product Details

JL Audio Marine Monoblock Power Amplifier, Model M1400

Key Features:

  • Patented Absolute Symmetry™ A/B Circuitry
    (U.S. Patent #6,294,959)
    The full-range models employ this patented technology which reduces distortion and improves power symmetry
  • Patented Class D Circuitry
    (U.S. Patent #6,441,685)
    The subwoofer amplifiers feature a patented Class D circuit for outstanding efficiency, stability and fidelity
  • Active Crossover Features
    Fully variable 12dB/octave filters with detented filter frequency selection controls offer excellent tuning flexibility
  • Preamp Outputs
    Pass-through pre-amp outputs permit interconnection of multiple amplifiers (except M6450)
  • Bass Control Features
    Bass boost circuits are included on all models and can be operated with or without a remote bass controller
  • Differential-Balanced Inputs
    Greatly reduce noise and provide compatibility with a wide range of source units
  • Advanced Rollback Protection
    Borrowing a page from the “Slash” amplifiers’ bag of tricks, the M-Series amplifiers employ advanced thermal and low-impedance protection to virtually eliminate annoying amplifier shut-down events


DescriptionClass D Monoblock Subwoofer Amplifier
Patented TechnologyHigh-Damping Class D Circuit with discrete control circuitry (U.S. Patent #6,441,685)
Differential-Balanced Input TopologyFor superior noise immunity, RCA jack inputs
On-board CrossoverFully-variable (40 - 200 Hz), selectable slope Low-Pass (12 or 24 dB / octave)
Preamp OutputPass-through type
Bass EQ+6db fixed frequency, fixed 'Q' (defeatable) with port for optional remote bass control (RBC-1)
Dual mono speaker output connectionsAccept up to 8 AWG wire
+12V and Ground connectionsAccept up to 4 AWG wire


Rated Power 12.5 V240 W RMS x 1 @ 4 ohm
400 W RMS x 1 @ 2 ohm
Rated Power 14.5 V320 W RMS x 1 @ 4 ohm
500 W RMS x 1 @ 2 ohm
THD at Rated Power12.5V: <0.08% THD, 20 Hz - 250 Hz
14.4V: <1% THD, 20 Hz - 250 Hz
S/N Ratio>90 dB referred to rated power (A-weighted, 20 Hz – 250 Hz noise bandwidth)
Frequency Response10 Hz – 250 Hz (+0, -1dB)
Damping Factor>500 @ 4 ohm / 50 Hz
>250 @ 2 ohm / 50 Hz
Input Range200mV – 8V RMS

Approximate Dimensions:

  • Width: 9.25"
  • Height: 2.5"
  • Depth: 11.81"

Approximate Weight:

  • Shipping: 7 lbs
JL Audio Marine Monoblock Power Amplifier

JL Audio Marine Monoblock Power Amplifier

UPC Code: 699440980777

More reasons to buy the JL Audio M1400 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The JL Audio M1400 is Brand New.
  • The JL Audio M1400 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
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