Hifonics® - GOLIATH Series Class D Mono 1000W Amplifier

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Fitment Notes:
  • Not Vehicle Specific
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Universal GOLIATH Series Class D Mono 1000W Amplifier by Hifonics®. Boost sound quality and power to the next level with this high-performance Hifonics amplifier. This supremely powerful and efficient amp offering the latest modern technology is sure to blow you away. Engineered for a balanced power output, it will keep power smooth even during demanding peak in the music, so you can enjoy an impressive, amazingly clear, full sound at any volume.


Variable voltage: 9V - 0.2V
Signal To Noise: > 95dB
Frequency Response: 10Hz-50Khz
Variable Low Pass Crossover 12dB /octave: 30Hz - 250Hz
Bass Boost: 0 - 10dB
Subsonic Filter: 15Hz - 35Hz
Phase Shift: 0-180°
Power @ 1 Ohm: 1 x 1000W
Power @ 2 Ohms: 1 x 500W
Power @ 4 Ohms: 1 x 250W
Total Channels: Mono Only
Audio Inputs: RCA
Audio Outputs: 1 Pair
Full Range: RCA
Power Terminal 12V/GND: 4 AWG
Speaker Terminal Wire Gauge: 10 AWG
Fusing: 70A x 1
Total Harmonic Distortion (THD): <0.10%


  • Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortion
  • Nickel-plated RCA jacks create the most effiecient audio connection and resist corrosion
  • Internal crossovers networks allow for audiophile control of equalization circuits
  • Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers
  • Super D-Class™ designs which employ high-speed microprocessors with proprietary D/A conversion algorithms to efficiently control the current consumption
  • At very high listening levels, Hifonics amplifiers with Super D-Class circuitry result in lower distortion, higher current efficiencies and less heat than conventional D-Class amplifier designs
  • 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
  • Classic aluminum Hifonics design to minimize heat build up on the Ultra-Fi™ output devices
  • The dual coil Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices
  • High temperature impact resistant nickel plated connectors with allen head set screws which allow for secure termination of wire and creates an erosion resistant seal
  • Secure connection for all Power, Ground and Speaker connections. Angled for ease of access while creating a clean wire mangement profile
  • Preamp RCA outputs to daisy chain multiple amps eliminate additional signal cables from the source unit
  • Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel
  • Wired Bass Remote allows adjustments to bass frequencies from the control which can be mounted anywhere in the vehicle

Hifonics GOLIATH 1000W Super D-Class™ 1 ohm stable mono subwoofer amplifier designed with Ultra-Fi MOSFET output devices and 4 way system protecion cicutry. Bass remote included.

Hifonics® has been setting the pace in the audio competition lanes since car audio competitions started. Whether you build a clear sound quality system that puts you in the mind of Aphrodite or an SPL system with the power of Thor’s hammer – Hifonics has you covered.

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Hifonics warrants to the original purchaser that amplifiers are free from defects in material and workmanship for one (1) year from the date of purchase. All other parts and accessories of the system are warrantied to be free from defects in material and workmanship for one (1) year from the date of purchase. During the warranty period Hifonics will repair or replace, at it’s option, any system component that proves defective in materials and workmanship under normal installation, use and service provided that the product is returned to the authorized Hifonics dealer from where it was purchased. Any damage to the product as a result of misuse, abuse, accident, incorrect wiring, improper installation, alteration of date code or barcode labels, revolution, natural disaster, or any sneaky stuff because someone messed up, repair or alteration outside of the company’s factory or authorized service centers and anything else you have done that you should not have done is not covered. This warranty is limited to defective parts and specifically excludes any incidental or consequential damages connected therewith.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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