Gemini is the third sign of the zodiac, but the first sign that you know how to design a car audio system. It is also the Latin name for the constellation meaning “twins.” Big power, sound quality and onboard signal processing are designed to power a great system, especially when used in tandem. Choose a four channel amplifier to power mids and highs with a big mono amp for subwoofers. The new Gemini line is part of the Elite 35th Anniversary offering from Hifonics. The Gemini utilizes the newest technology in the Hifonics family, Super D-Class mono amplifiers and Super A/B Class amplifiers for full range 2 channel and 4 channel models. As pointed out in the warning, Elite products are designed for prestigious Hifonics dealers only. Never buy an Elite amplifier from a website or online auction, these dealers are NON-AUTHORIZED and they will not help you with tech support or customer service. We cannot assist you without an authorized purchase receipt. Additionally, Elite amplifiers purchased from non-authorized outlets, do NOT have a warranty. Check the dealer list for an Elite dealer near you.

>> Elite Warning

The GEX line is made up of a two channel model, 3 four-channel models, and 4 mono subwoofer models including the powerful GEX-3500.1D which delivers 3500 watts at 1 ohm.


The Gemini (GEX) amplifiers feature:

  • Hifonics High Fidelity Super A/B Class Circuit Designs
  • Super D Class Mono Circuit Designs
  • Simpatico coil design (SPC) Ultra-Fi Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Tiffany Connectors
  • 35th Anniversary Heat Sink Design
  • Bass Remote Included


Speakers & Subwoofer Choices

Hifonics amplifiers are designed to integrate into any system; they perform at their best when coupled with Hifonics speakers and Hifonics subwoofers


Titan & Brutus Subwoofers

Elite Warning

GEX-1300.1D Gemini Elite Amplifier

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  • Zeus ZEX are only available from Elite retailers

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Availability: From Elite Dealers only

Part#: GEX-1300.1D


1300 watt mono, 1 ohm stable, subwoofer car audio amplifier


Part #: GEX-1300.1D | SKU: 806576226291 | Category: GEMINI Elite GEX
Hifonics Gemini Elite 1300 Watt Mono 1 ohm stable, Super D Class™ mono subwoofer car audio amplifier. Features include an onboard electronic crossover with angled terminals. Bass remote included


Part #: GEX-1300.1D | SKU: 806576226291 | Category: GEMINI Elite GEX
  • Class
    Super D Class
  • Variable Voltage
    6.0V - 0.2V
  • Signal to Noise
  • Frequency Response
  • Crossover Type
    Variable Electronic
  • Low Pass Crossover:
    12dB Per Octave:

  • Bass Boost
    0 - 9 dB
  • Subsonic Filter
  • Power Output @ 1 Ohm:
  • Power Output @ 2 Ohms:
  • Power Output @ 4 Ohms
  • Total Channels
  • Audio Inputs:
    Left & Right RCA Jacks
  • Audio Outputs:
    Left & Right RCA Jacks
  • Power Terminal:

    4 ga
  • Speaker Terminal Wire Gauge
    12 ga
  • Fusing
  • Dimensions
    16.5 x 11.25 x 3.38 in
    41.91 x 28.5 x 8.5 cm
  • Weight
    8.75 lbs (4.0 kg)

System Includes

Part #: GEX-1300.1D | SKU: 806576226291 | Category: GEMINI Elite GEX
More info in development & coming soon!

Features & Benefits

Part #: GEX-1300.1D | SKU: 806576226291 | Category: GEMINI Elite GEX
  • Pre-Amp Circuitry Low Noise PreAmplifier
    Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortion
  • Inputs Nickel Plated
    High temperature impact resistant with hex screw terminals that allow for secure connections and is erosion resistant
  • Hi Level Inputs Nickel-plated RCA level inputs
    Nickel-Plated RCA jacks create best connection and resist corrosion
  • Operation Mode One Channel (Mono) Subwoofer Amplifier
    Mono mode is intended for subwoofers only
  • Crossover / Signal Shaping Variable Electronic
    Electronic crossovers allow for complete control of the sound. See specifications for specific frequencies
  • Equalizer Electronic
    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 Super D-Class™
    Hifonics has perfected the latest in digital chip technology to provide you with an extremely efficient, low temperature, high amplification system that others only dream about. There are several options for installation and the mono Super D-Class amplifiers can run at 1, 2 or 4-Ohm as well, for an even tighter bass response!
  • Output Devices Technology Ultra-Fi™ MOSFET
    Produces high power with minimal distortion
  • Heat Sink High Grade Aluminum
    Heavy duty aluminum alloy heat-sink allows amplifier to quickly dissipate heat while producing maximum power
  • Power Supply Simpatico Coil Design
    The dual coil Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices
  • Bass Remote Bass Remote Included
    Wired Bass Remote allows adjustments to bass frequencies to be made from the control mounted anywhere in the vehicle.
  • Output Connections RCA Outputs
    Daisy chain multiple amplifier to eliminate additional signal cables from the source unit
  • Connections Type Molded at 45 degrees
    Stress free installation access with room for hands and tools
  • Diagnostics 4-Way System Protection Circuitry
    Monitor thermal, overload, DC, and speaker short protection with lighted indicators on the amplifier end panel
  • Illumination Illuminated Logo
    The Hifonics logo illuminates when the amplifier is powered, making a #PowerFromTheGods statement in the dark


Part #: GEX-1300.1D | SKU: 806576226291 | Category: GEMINI Elite GEX
More info in development & coming soon!


Part #: GEX-1300.1D | SKU: 806576226291 | Category: GEMINI Elite GEX
Files & Manuals

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