• GTRII Series Amplifiers
  • GTRII Series Amplifiers
GTRII Amplifiers
Crunch GTRII amplifiers are inspired by the automotive racing and street racing scene. GTR or GT-R has stood for some incredible Grand Touring or Grand Tourer vehicles around the world.

Crunch GTRII delivers The Power of Music! from the second you turn on the volume. The serious music horsepower in the GTRII line delivers "race car reliability" amplifiers.

The GTRII line is made reliable and great sounding with features like the VersaCross Electronic Crossover for shaping your sound and QTD (Quick Thermal Dispersion) technology assuring the amplifiers makes huge power while running very cool with nearly undetectable musical distortions. GTRII also offer two subwoofer mono models that are 1 ohm stable and include the bass remotes.

GTRII-4000.1D Amplifier

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Crunch GTRII car audio amplifier

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  • Crunch GTRII car audio amplifier

GTRII-4000.1D Amplifier

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Availability: Available at Select Retailers

Part#: GTRII-4000.1D


Crunch GTRII-4000.1D GTRII Series 4000 Watt Mono Amplifier 1 Ohm Stable Car Audio Amp


Crunch GTRII mono subwoofer car amplifier with dual carbon elements on the heatsink featuring SPEED-FET output devices and QTD Technology produces 4000 watts of power in a 1 ohm stable application. Bass remote is included.

Category: GTRII
SKU: 806576227892
Part #: GTRII-4000.1D

  • Class
    Class D
  • Variable Voltage
    6V - 0.2V
  • Signal to Noise
  • Frequency Response
    20Hz - 20kHz
  • Crossover
  • Variable Low Pass Crossover 12dB per Octave
    40Hz - 300Hz
  • Bass Boost
    0 - 12dB
  • Subsonic Filter
    10Hz - 40Hz
  • Power @ 1 Ohm
    1 x 4000 Watts
  • Power @ 2 Ohms
    1 x 2000 Watts
  • Power @ 4 Ohms
    1 x 1000 Watts
  • Total Channels
  • Audio Inputs
  • Audio Outputs
    Full Range
  • Speaker Terminal Wire Gauge
    Spade Connector
  • Fusing
  • Total Harmonic Distortion (THD)

Features & Benefits
  • Low Noise Pre-Amplifier Circuitry
    Maximum low voltage signal from the source unit comes into the amplifier through a low voltage circuit which delivers minimal distortion through the amplification process
  • RCA Inputs
    Low voltage RCA inputs produce the highest sound quality connection with quality RCA materials helps prevent interference and minimize distortion in the signal path
  • Operation Mode
    Mono only
  • Crossover Type
    Variable electronic crossovers allow for complete control of the sound
  • Electronic Equalizer
    Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers.

    Check specifications for specific frequencies for this amplifier
  • Class / Topology
    Very efficient D-Class to drive additional power to subwoofer frequencies while remaining a small footprint
  • Output Device Technology
    Exclusive Crunch SPEED-FET MOSFET components maximize power efficiency while improving sound quality and minimizing distortion
  • Heat Sink
    QTD (Quick Thermal Dispersion) technology assures the amplifier makes huge power while running very cool with nearly undetectable musical distortions
  • Power Supply
    Rugged MOSFET Pulse Width Modulation power supply
    Allows amplifier to product efficient power without taxing the vehicle electrical system
  • Output Connections
    Nickel-plated brass connectionwith hex set screw terminals allow for secure connection and resist erosion
  • Connection Type
    Secure connection for all power, ground and speaker connections.
  • Full-Range RCA Outputs for Signal Pass Through
    Daisy chain multiple amplifier to eliminate additional signal cables from the source unit
  • LED System Protection Circuitry Diagnostics
    Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel
  • Bass Remote Included
    Wired Bass Remote allows adjustments to bass frequencies from the control which can be mounted anywhere in the vehicle.

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Maxxsonics Factory Specials
Maxxsonics Factory Specials