ALPHA Amplifiers

A1200.1D Amplifier

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Part#: A1200.1D | MSRP: $269.99


Hifonics A1200.1D ALPHA Compact 1200 Watt 1 Ohm Stable Monoblock Car Audio Amplifier


Part #: A1200.1D | SKU: 806576228776 | Category: ALPHA Amplifiers
1200 watt Hifonics ALPHA Series Super D-Class® mono subwoofer car audio amplifier with electronic crossovers utilizing Ultra-Fi MOSFETS for high power and effiecent cooling and minimal distortion. Bass remote included.

ALPHA car audio from Hifonics brings together the best design and engineering achievements from nearly 4 decades of driving the advancement of car audio. Technological advances like SUPER D-CLASS® and now FULL RANGE SUPER D-CLASS® have given ALPHA amplifiers the Power From The Gods. The SUPER D-CLASS digital chip technology provides extremely efficient, low temperature, high system power in order to run cool from 4-Ohm to 1-Ohm.


Part #: A1200.1D | SKU: 806576228776 | Category: ALPHA Amplifiers
  • Class
    Super D-Class®
  • Total Channels
  • Power @ 1 Ohm
    1 x 1200 Watts
  • Power @ 2 Ohms
    1 x 600 Watts
  • Power @ 4 Ohms
    1 x 325 Watts
  • Crossover
  • Variable Low Pass Crossover 12dB per Octave
    30Hz - 250Hz
  • Tone Control/Parametric EQ
    Bass EQ
  • Bass Boost
  • Subsonic Filter
    10Hz - 50Hz
  • Phase Shift
    Variable 0-180 Degrees
  • Variable Voltage
    0.2V - 6V
  • Signal to Noise
  • Frequency Response
    10Hz - 250Hz
  • Total Harmonic Distortion (THD)
  • Speaker Level Audio Inputs
  • Power Terminal 12v/GND
    8 AWG, 24 AWG
  • Speaker Terminal Wire Gauge
    14 AWG
  • Fusing
    Use Extermal Fuse
  • Heatsink Size
    Length: 9.25in x Depth: 5.75in x Height: 2.37in

System Includes

Part #: A1200.1D | SKU: 806576228776 | Category: ALPHA Amplifiers
More info in development & coming soon!

Features & Benefits

Part #: A1200.1D | SKU: 806576228776 | Category: ALPHA Amplifiers
  • Low Noise Preamplifier 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
    Audiophile RCA connectors allow maximum signal throughput with minimum distortion and masximum external noise rejection
  • Operation Mode
    Mono mode only
  • Crossover Type
    Accu-Cross crossovers allow for complete control of the signal directing to all speakers. See specifications section for specific frequencies
  • 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
    Developed over 4 decades of engineering to deliver the highest level of sound quality and power efficiency, Hfioncis ALPHA Super D-Class® circuitry results in lower distortion, higher current efficiencies and while producing less heat than conventional amplifier designs
  • Output Device Technology
    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
    Heavy duty aluminum alloy heat-sink efficiently moves heat from the MOSFET where it can be cooled
  • Power Supply
    The Twin Turbo Coil PS is a Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices
  • Output Connections
    Nickel-plated, high temperature impact resistant with hex screw terminals that allow for secure connections and is erosion resistant
  • Connection Type
    Secure connection for all power, ground and speaker connections. Angled for ease of access during installation.
  • 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. Smooth potentiometer and ringed illumination in a satin black mount create a custom look
  • Phase Adjustment
    Phase 0-180°
    Bass drum attack, snap requires phase between deep frequency subwoofers and upper midbass speakers
    Fat man/Skinny man, must arrive at your ear at the same time or bass sounds muddy
  • Auto Turn-On
    The amplifier detects a voltage rise (6 volts) with a "DC Offset" over the connected input signal on the HIGH LEVEL INPUTS when the head unit or source unit is switched on. Thus, the amplifier will also be turned on. When the source unit is turn off the amplifier is also turned off. Using this feature eliminates the need to use the REM (turn on wire)
    The AUTO TURN-ON function will work with 90% of all source units because they are equipped with "high power" output. Only a few holder head units will not use this function
  • 300kHz HIGH SPEED Pulsing
    The switching speed of the Class D chip puts the amplifier sampling frequencies at over 100 times higher than human ears can hear. This means that the amplifier and the very fast digital switching remains un-hearable in the audio bandwidth for music.


Part #: A1200.1D | SKU: 806576228776 | Category: ALPHA Amplifiers
When comparing the innovative ALPHA designs to traditional Hifonics amplifier layouts, the difference is amazing. Pictured below are the BRUTUS BXX3000.1D and the ALPHA A3000.1D amplifiers with their heatsink difference clearly illustrated. The ALPHA footprint is reduced by 25% over standard Hifonics amplifiers. The engineers accomplish this without any reduction in aluminum mass-to-power ratio.
ALPHA Amplifiers
The four channel BXX-800.4 comparison is equally as startling when compared to the A800.4 ALPHA.
With four decades of Hifonics engineering and innovation, ALPHA series amplifiers have the best of every amplifier component completely redesigned and re-engineered. This intense design engineering and circuit design has led to very low noise sound quality pre-amplifier sections with electronic components with minimal crosstalk. This is all accomplished with surface mount component and thick PC boards. The crossovers have been redesigned to maximize sound shaping controls across all amplifiers.
ALPHA Amplifiers
Internal View of ALPHA Amplifier
The biggest change which is an ALPHA exclusive is the voltage matched, tight tolerance and hand selected components which are marked as proprietary with the Hifonics logos, visible only when the bottom is removed or when on display with an ALPHA retailer. This assures that you are getting components selected by Hifonics engineers for the ALPHA series and nowhere else on the planet.
ALPHA 2 and 4 channel amplifiers have a feature to make integration with a factory radio or source unit really easy. The amplifier will sense when a signal voltage rise through the connected input wires which travels through the RCA’s. This means that you can easily integrate the ALHPA amplifier into an OEM installation without spending additional money on a Line Output Converter (LOC).
ALPHA Amplifiers
Crossover View of ALPHA 4 Channel Amplifier
The ALPHA line has a Hybrid. Due to the incredible engineering of the circuit layout and the high power components being layout in a way that high power/high voltage cross talk are minimized, the team has been able to accomplish a 5 channel ALPHA Amplifier which maximizes efficiency and minimized any electrical interference.
ALPHA Amplifiers
Hifonics ALPHA Amplifiers
All that power packed in one amplifier makes system design a breeze. Easily integrate into your OEM system using all 5 channels of ALPHA power with ALPHA speaker’s front and rear with an ALPHA subwoofer. Simple in concept but shocking in the sound it will deliver.
ALPHA Amplifiers
Full Audio System Powered by ALPHA 5 Channel Amplifier
ALPHA Amplifiers
View of ALPHA Input & Crossover Panel
Additionally, all ALPHA amplifiers feature:
  • Ultra-Fi™ MOSFET - Produces high power with minimal distortion
  • T3 (Twin Turbo Toroid) power supply torroids
  • Pulse Width Modulated MOSFET Power supply
All Mono and five channel amplifiers include an HFR-31 bass remote to put the bass control at arm’s length. The amplifiers protection condition is also shown by blue illumination for normal operation and red for a short being present that requires the attention of an installer.


Part #: A1200.1D | SKU: 806576228776 | Category: ALPHA Amplifiers
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