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Hifonics Goliath Class D Monoblock Amp

Hifonics Goliath Class D Monoblock Amp

  • Description


Hifonics 35th Anniversary SUPER AMPLIFIER. 3000 watt Ultra D-Class™ mono subwoofer amplifier. Features on board ParaQ bass equalization and bass remote with diagnostic control.


CTA stands for Consumer Technology Association and Hifonics has been a member for decades. In 2016 the program previously known as CEA Certification changed to CTA-2006B to reflect the changes to the organization and their initiatives.

Specifically for the Hifonics Super Amps, the Primary Output Power should, according to CTA2006, be measured with 14.4V DC supply, a 4-ohm load and with 1% or less total harmonic distortion in the output.

Features & Benefits

  • Pre-Amp Circuitry: Low Noise PreAmplifier
    Low voltage signal from the source unit comes into the amplifier pre-amplifier circuit with minimal distortion
  • Inputs: Tiffany Style RCA Connectors
    Audiophile signal quality and maximum signal throughput with minimum distortion and maximum external noise rejection
  • Hi Level Inputs: N/A
  • Operation Mode: One Channel (Mono)
    Mono mode is intended for subwoofers only
  • Crossover / Signal Shaping: Accu-Cross & XCurve (X1/X10)
    Accu-Cross crossovers allow for complete control of the signal directing to all speakers. XCurve allows for chosen frequencies to be as stated (X1) or multiplied by 10.
  • Equalizer: ParaQ
    Parametric Bass EQ with adjustments:
    Boost (0-10dB)
    Width (Narrow-Wide (On Center)
    Center Frequency (30Hz - 100Hz)
  • Class / Topology: Ultra D-Class™
    The proprietary "Ultra D-Class” design uses high-speed microprocessors with proprietary D/A conversion algorithms to efficiently control the current consumption. At very high listening levels. Hifonics Ultra D-Class results in lower distortion, higher current efficiencies and less heat than conventional D-Class amplifier designs.
  • Output Devices Technology: Ultra-Fi™ MOSFET
    The Ultra-Fi™ MOSFET is designed for music production vs just electronics output power. It produces very musical high power with high efficiency for cooling and minimal distortion
  • Heat Sink: Aluminum
    Heavy duty aluminum alloy heat-sink efficiently moves heat from the MOSFET where it can be cooled without the need for fans
  • Power Supply: Twin turbo
    The Twin Turbo Coil PS is a Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices
  • Strapping: Yes
    Power Strapping allows the installer to Sync the input signal and output power to double rated output of a mono amplifier to drive a single or group of subwoofers. Driving subwoofers with this method doubles the available power to the overall bass system, while insuring each subwoofer receives the exact same power level. CONSULT PROFESSIONAL INSTALLER.
  • Bass Remote: Diagnostic Bass Remote Included
    The Hifonics SUPER AMPS include a specialized Bass Remote that allows remote adjustment of the gain for the ParaQ bass equalization feature. Also critical is the Diagnostic ability of viewing the amplifier status on the L.E.D's of the remote
  • Remote Status: Visualize Amplifier Signal
    The remote also includes a clip indicator on the remote that mirrors what is visible on the amplifier end panel. This allows the user to see the output status of the amplifiers signal. There is one multi-color L.E.D that will show Green, Amber or Red. Green = Amplifier outputting clean signal. Amber = Amplifier outputting a "soft" clip signal which is a non-audible distortion only measurable on an oscilloscope. Red = Amplifier is putting out a "hard" clip signal. This is audible distortion and can damage speakers.
  • Output Connections: Nickel-Plated
    High temperature impact resistant with hex screw terminals that allow for secure connections and is erosion resistant
  • Connections Type: Molded & Angled
    Hardened composite mounting with secure connection for all Power, Ground and Speaker connections. Angled for ease of access during installation
  • Signal Pass Through: Yes
    One pair of Tiffany style connectors for a full range, L & R output allow distortion free signal to be passed through this amplifier to feed that signal to other components without the need for noise generating Y cables
  • Diagnostics: Three-stage protection circuits
    Monitor thermal, overload, DC, and speaker short protection with lighted indicators on the amplifier end panel
  • Marinized / Waterproof: N/A
  • Illumination: Yes
    Hifonics logo and both the input and output side of the amplifiers connections


  • Class: Super D-Class™
  • Variable Voltage: 9 - 0.2V
  • Signal to Noise: >90dB
  • Frequency Response: 15-250Hz
  • Crossover Type: Electronic
  • High Pass Crossover: 12dB Per Octave: N/A
  • Low Pass Crossover: 12dB Per Octave: 35Hz-250Hz
  • Crossover Frequency Range: CH1 & CH2: N/A
  • Crossover Frequency Range: CH3 & CH4: N/A
  • Crossover Frequency Range: CH 5: N/A
  • Tone Control: ParaQ
  • Bass Boost:
    Wide-Narrow / 0-10dB
  • Subsonic Filter: 15Hz-35Hz
  • Phase Shift: N/A
  • Power @ 1-Ohm
    1 x 3000 RMS
    1 x 6000 Peak
  • Power @ 2-Ohms
    1 x 1500 RMS
    1 x 3000 Peak
  • Power @ 4-Ohms
    1 x 750 RMS
    1 x 1500 Peak
  • Mono Bridged @ 2-Ohms: N/A
  • Mono Bridged @ 4-Ohms: N/A
  • Total Channels: 1
  • Audio Inputs:
    Set #1: Full Range RCA
    Set #2: MST/SLV RCA
  • Audio Outputs:
    Yes, RCA
  • Power Terminal: 12v/GND:
    0 gauge
  • Speaker Terminal Wire Gauge:
  • Fusing:
    Use external 250
  • Certifications:
    CTA-2006-B Compliant
  • Product Weight (lbs):
  • Product Weight (kg):
  • Product Dimensions (in):
    26 x 11.7 x 4.9
  • Product Dimensions (cm):
    66 x 29.7 x 12.5
List Price: $1,219.95
Price: $780.00

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