Super Amps




The 35th Anniversary of Power From The Gods and Hifonics are celebrated with throwback competition amplifiers. CTA certified RMS amplifiers designed around three models engineered to create the perfect system design. A Large Ultra D-Class™ Dual Mono, a standard Super D-Class™ mono and a four channel Super A/B Class™.
Hifonics 35th Anniversary


The entire line up is designed with an old school heatsink that harkens back to the beginning of the car audio revolution, but now Hifonics boss has twisted and squeezed the engineers to deliver new technology and features that make these SUPER AMPS the best money and man can design.

Here is the break down.


Colossus™ 35th Anniversary
The Colossus™ celebrates the 35th Anniversary of Hifonics with a CTA certified super amp. The Colossus™ uses the Hifonics engineer’s technology, Ultra D Class™ in a Dual Mono block subwoofer amplifier that will deliver 3400 watts RMS.

Here is the break down.


Colossus™ Dual Mono Ultra –D-Class™
The Colossus™ represents Hifonics best signal processing and control features designed for a big mono amplifier. Key among them is the Dual Mono Ultra D-Class™ topology which helps the Colossus™ develop huge power while minimizing voltage strain. The “Dual” means there are literally two amplifiers in one heat sink for system designs that need to develop large power without giving up additional space.

Here is the break down.


Inside Amp
Inside the SUPER AMPS
The Colossus™, Goliath and Helios use powerful and efficient transformers and audiophile grade capacitors and resistors. Electrical components are both through-hole and surface mount pieces that are all secured to double sided military grade glass resin epoxy circuit boards with beefed up copper traces. This ensures high voltage can pass through the circuit with minimal distortion in the signal path.


Twin turbo power supply torroids in a Pulse Width Modulated MOSFET power supply design assure that car voltage is maximized from battery through to output MOSFET devices.


MOFSET Outputs
All the Hifonics 35th Anniversary SUPER AMPLIFIERS utilize Rock solid Ultra-Fi™ MOSFET outputs which are selected by the Hifonics engineers to be balanced for power output. This keeps power smooth even during demanding peak in the music.


Signal Control
In the signal path, Colossus™ uses the unique ParaQ™ circuit allowing full parametric control of the bass equalizer which can be controlled by the diagnostic bass remote.


Controls allow from a center frequency of 30hz up to 100hz with a 0 to 10dB boost with the width of the frequency to be adjusted from very narrow. As an example you might focus on 32hz only – or a wide adjustment, where with 40 as the “center” frequency, adjustments are made from 35 to 45hz. ParaQ™ delivers the most control of bass frequencies than any amplifier ever designed by Hifonics engineers. Read the white paper from Hifonics engineers about ParaQ™ (coming soon!).


Large Power
Large Power / Large Ground
The Colossus™ is a Dual Mono Ultra D-Class™ amplifier. This means getting amperage from your electrical system and a solid ground are critical. Hifonics engineers assure that Colossus™ can accommodate 1 O/T for power and ground. This feature allows more current to get into the amplifier with the ability to establish an equal ground.


Rounding out the features are a variable subsonic and low pass electronic filters as well as Phase Shift and adjustable voltage from 9Volts to 0.2 Volts.




Goliath 35th Anniversary
The Goliath uses the same Super D-Class™ circuit topology, but in a traditional mono design. Perfect for system designs where big clean power is needed without the additional size of the Colossus.
Hifonics 35th Anniversary


Short Path
The SUPER AMPS have been designed with an audiophile style “direct signal path” philosophy. This challenges the Hifonics engineers to focus on the features that develop power and signal control without adding extraneous features.


Goliath Super D-Class™ Mono Block
Goliath is a traditional mono amplifier designed around Hifonics Super D-Class™ topology. Similar to Colossus in design, the Goliath allows Multiple mono amplifiers to be strapped together utilizing the Master/Slave feature to create a large subwoofer system that will well exceed 6000 watts RMS.


Signal Path
The signal path for Goliath uses the same ParaQ™ circuit to control the bass equalization. Colossus, Goliath and Helios offer an additional output set of RCA jacks to eliminate the need for splitter cables. Again, the Hifonics engineers try and eliminate the additional signal paths that can affect sound quality by raising distortion levels.




Helios 35th Anniversary
Rounding out the trio of Super Amps is the Helios. The same power efficiency of the larger amplifiers but specifically engineered into four channels of Super A/B Class™ technology to add an incredible sound quality standard while providing enough power to upper frequencies to perfectly balance a full system using a large mono subwoofer amplifer.
Hifonics 35th Anniversary


Helios Super A/B Class™
Helios is a very special amplifier. The same Short Path philosophy applies, but being a four channel amplifier, designed to balance the muscle of the Colossus or Goliath, requires some unique circuit designs. First, this is a four channel Super A/B Class™ circuit topology. That means, sound quality comes first but, the power must be as efficient as the Ultra D-Class™ and Super D-Class™ Amplifiers.


Mode Switch
Notice the MODE switch, this allows for 2 Channel or 4 channel operation with the amplifier easily bridgeable or operated in three channel mode.


Equalization X1 or X10 Switching
When designing systems at this level, control can be the most helpful tool from engineering. Look closely at the setting on the Helios. The X10 and X1 switch allows the channel 1 and 2 or 3 and 4 to increase the frequency chosen by a factor of 10 or 1.


If the adjustment is set at 500hz and the switch is set at X1 that is 500Hz. With the adjustment in the same position and the X10 switch engaged, the crossover point is moved from 500Hz to 5kHz or 5,000 Hz. This creates a wealth of unique adjustments for the amplifier when used to power mid and tweeter components or perhaps only tweeters and midrange drivers.


Bass Control
Bass Control
Because it is so versatile in system design and installation, the Helios has also been designed to operate with the same HFR-G1 Bass remote, typically reserved for mono amplifiers only. However, on SUPER AMPS the remote works on the entire line.


For the 4 channel Helios, CH 3 and 4 having their own EQ and Frequency controls means increased flexibility when running in 3 channel mode. Additionally, the amplifier’s status is presented up front on the control panel showing the 4-way protection circuitry; thermal, overload, DC, and speaker short protection.


Colossus™ Super Amplifier

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Hifonics Colossus Dual Mono Ultra-D Class Amplifier

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Part#: Colossus


Hifonics 35th Anniversary SUPER AMPLIFIER. Two times 3400 watt subwoofer car audio amplifier



Part #: Colossus | SKU: 806576225140 | Category: Super Amps

Hifonics 35th Anniversary SUPER AMPLIFIER. 3400 watts x 2 Ultra-D-Class™ mono subwoofer amplifier. Features on board ParaQ bass equalization and bass remote with diagnostic control.

Now available!


Part #: Colossus | SKU: 806576225140 | Category: Super Amps
  • Class
    Ultra D-Class™
  • Variable Voltage
    9 - 0.2V
  • Signal to Noise
  • Frequency Response
  • Crossover Type
  • High Pass Crossover: 12dB Per Octave
  • Low Pass Crossover: 12dB Per Octave
  • Crossover Frequency Range: CH1 & CH2
  • Crossover Frequency Range: CH3 & CH4
  • Crossover Frequency Range: CH 5
  • Tone Control
  • Bass Boost
    Wide-Narrow / 0-10dB
  • Subsonic Filter
  • Phase Shift
    0 - 180 degrees
  • Power @ 1-Ohm
    2 x 1700 RMS
    2 x 3400 Peak
  • Power @ 2-Ohms
    2 x 1200 RMS
    2 x 2400 Peak
  • Power @ 4-Ohms
    2 x 650 RMS
    2 x 1300 Peak
  • Mono Bridged @ 2-Ohms
    1 x 3400 RMS
    1 x 6800 Peak
  • Mono Bridged @ 4-Ohms
    1 x 2400 RMS
    1 x 4800 Peak
  • Total Channels
  • Audio Inputs
  • Audio Outputs
    Yes, RCA
  • Power Terminal: 12v/GND
    0 gauge
  • Speaker Terminal Wire Gauge
  • Fusing
    Use external 250
  • Product Weight (lbs)
  • Product Weight (kg)
  • Product Dimensions (in)
    23.5 x 9.5 x 3
  • Product Dimensions (cm)
    59.69 x 24.13 x 7.62

System Includes

Part #: Colossus | SKU: 806576225140 | Category: Super Amps
More info in development & coming soon!

Features & Benefits

Part #: Colossus | SKU: 806576225140 | Category: Super Amps
  • 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:
  • 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: Dual Ultra D-Class™
    Ultra D-Class™ technology is at the very nerve center of Colossus. The proprietary “Ultra-D” design uses high-speed microprocessors with proprietary D/A conversion algorithms to efficiently control the dual mono 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:
  • 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:
  • Illumination: Yes
    Hifonics logo and both the input and output side of the amplifiers connections
  • Colossus™
    Colossus™ is a trademark of Maxxsonics USA Inc.


Part #: Colossus | SKU: 806576225140 | Category: Super Amps
More info in development & coming soon!


Part #: Colossus | SKU: 806576225140 | Category: Super Amps
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