Outdoor Living & Entertainment
Free Shipping on Thousands of Products
Award-Winning Customer Service
Memorial Say Sale - Save Throughout The Site
Discontinued Product
View all Marine Audio

JL Audio Marine Four-Channel Power Amplifier - M4300

Abt Model: M4300 | UPC Code: 699440980746
This product is no longer available.

Product Details

JL Audio Marine Four-Channel Power Amplifier, Model M4300

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 A/B Four-Channel System Amplifier
Patented TechnologyAbsolute Symmetry™ Class A/B Circuit (U.S. Patent #6,294,959)
Differential-Balanced Input TopologyFor superior noise immunity, RCA jack inputs
On-board CrossoverState-variable, 12dB / octave Butterworth with continuously variable cutoff frequency selection from 50 – 200 Hz. Configurable as Low-Pass or High-Pass
Preamp OutputPass-through type
Bass EQ+6 dB 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 V Stereo45W RMS x 4 @ 4 ohm
75W RMS x 4 @ 2 ohm
Rated Power 12.5 V Bridged90W RMS x 2 @ 8 ohm
150W RMS x 2 @ 4 ohm
Rated Power 14.5 V Stereo70 W RMS x 4 @ 4 ohm
110 W RMS x 4 @ 2 ohm
Rated Power 14.5 V Bridged 140 W RMS x 2 @ 8 ohm
220 W RMS x 2 @ 4 ohm
THD at Rated Power12.5V: <0.08% THD, 20 Hz - 20 kHz
14.4V: <1% THD, 20 Hz - 20 kHz
S/N Ratio>104 dB referred to rated power (A-weighted, 20 Hz – 20 kHz noise bandwidth)
Frequency Response10 Hz – 25 kHz (+0, -1dB)
Damping Factor>200 @ 4 ohm per ch. / 50 Hz
>100 @ 2 ohm per ch. / 50 Hz
Slew Rate± 22V / µs
Input Range200mV – 8V RMS

Approximate Dimensions:

  • Width: 9.25"
  • Height: 2.5"
  • Depth: 13.80"

Approximate Weight:

  • Shipping: 10 lbs
Downloadable Resources
Get Adobe Reader
Key Features
110 Watts RMS x 4 (Rated Power 14.5 V Stereo)/ Absolute Symmetry A/B Circuitry/ Fully Variable 12dB/Octave Filters/ Pass-Through Pre-Amp Outputs/ Bass Boost Circuits/ Advanced Rollback Protection
More reasons to buy the JL Audio M4300 from Abt Electronics
  • Abt.com is an authorized dealer (Learn More).
  • The JL Audio M4300 is Brand New.
  • The JL Audio M4300 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
sign up for our newsletter
Join Our Email List & Get $25 Off your next order of $250 or more.