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JL Audio G-Series Four-Channel Mobile Amplifier - G4500

Abt Model: G4500 | UPC Code: 699440982313
 Discontinued Product This item is no longer available from our website.
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JL Audio - G4500 - Car Audio Amplifiers
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Class A/B Four-Channel System Amplifier/ 125W RMS x 4 At 2 Ohm (Rated Power 14.4 V)/ Fully Variable 12dB/Octave Filters With Detented Filter Frequency Selection Controls/ Pass-Through Pre-Amp Outputs/ Bass Boost Circuits/ Differential-Balanced Inputs/ Advanced Rollback Protection
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Product Details

JL Audio G-Series Four-Channel Mobile Amplifier, Model G4500

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 G6600)
  • 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 sources, including most OEM systems
  • Advanced Rollback Protection
    Borrowing a page from the “Slash” amplifiers’ bag of tricks, the G-Series amplifiers employ advanced thermal and low-impedance protection to virtually eliminate annoying amplifier shut-down events



Class A/B Four-Channel System Amplifier

Patented Technology

Absolute Symmetry™ Class A/B Circuit (U.S. Patent #6,294,959)

Differential-Balanced Input Topology

For superior noise immunity, RCA jack inputs

On-board Crossover

State-variable, 12dB / octave Butterworth with continuously variable cutoff frequency selection from 50 – 200 Hz. Configurable as Low-Pass or High-Pass

Preamp Output

Pass-through type

Bass EQ (Channels 3&4 only)

+6 dB fixed frequency, fixed 'Q' (defeatable) with port for optional remote bass control (RBC-1)

Speaker output connections

Accept up to 8 AWG wire

+12V and Ground connections

Accept up to 4 AWG wire


Rated Power 14.4 V
80 W RMS x 4 @ 4 ohm
125 W RMS x 4 @ 2 ohm
Rated Power 14.4 V Bridged
80 W RMS x 4 @ 4 ohm
125 W RMS x 4 @ 2 ohm
Rated Power 12.5 V Stereo
60 W RMS x 4 @ 4 ohm
90 W RMS x 4 @ 2 ohm
Rated Power 12.5 V Bridged
120 W RMS x 2 @ 8 ohm
180 W RMS x 2 @ 4 ohm
THD at Rated Power
<1% THD, 20 Hz - 20 kHz
S/N Ratio
>104 dB referred to rated power (A-weighted, 20 Hz – 20 kHz noise bandwidth)
Frequency Response
10 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 Range
200mV – 8V RMS

Approximate Dimensions:

  • Height: 2.5"
  • Width: 9.25"
  • Depth: 13.8"

Approximate Weight:

  • Shipping: 10 lbs
More reasons to buy the JL Audio G4500 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The JL Audio G4500 is Brand New.
  • The JL Audio G4500 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
JL Audio G-Series Four-Channel Mobile Amplifier

JL Audio G-Series Four-Channel Mobile Amplifier


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