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Hifonics H351200.4 Hercules LTD (H35 1200.4)

1200W Hercules 35th Anniversary Limited Edition Super Class AB 2-Ohm Stable H35 1200.4 4-Channel Amplifier

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• 75 Watts x 4 @ 4 ohm
• 150 Watts x 4 @ 2 ohm
• 600 Watts x 2 @ Bridged
• Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply
• Ultra-Fi output devices

Learn more about the h3512004

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Product Highlights


• 75 Watts x 4 @ 4 ohm
• 150 Watts x 4 @ 2 ohm
• 600 Watts x 2 @ Bridged
• Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply
• Ultra-Fi output devices

Description


Hifonics brand icon

Authorized dealer

Hifonics 35th Year Anniversary Amplifier: Product Overview



Hifonics Transformers

Efficient Circuitry:

The efficient and audiophile grade electrical components are secured to double-sided military grade glass resin epoxy circuit boards. This along with the stronger copper traces creates efficient circuitry for high voltage to pass through with no noticeable distortion.




Twin Turbo power supply

Twin Turbo Power Supply:

The Hercules 35 uses a Pulse Width Modulated MOSFET power supply design. The twin turbo coil PS maximizes the voltage from you car to the output MOSFET devices by keeping the voltage contanst through the Ultra-Fi output devices.




Ultra-Fi MOSFET outputs

Ultra-Fi MOSFET Outputs:

The Ultra-Fi MOSFET outputs produce high power with minimal distortion. They are typically used for music production where high power, efficient cooling and minimal distortion are key. The Hercules 35 Series is designed with everything needed to play your music the way it should be heard.





General Features:

  • Hifonics 35th Year Anniversary LTD HS35-1200.4 Amplifier
  • Super Class AB 2-Ohm Stable 4-Channel Amplifier
  • Power Rating:
    • 4 ohm: 75 watts x 4 chan.
    • 2 ohm: 150 watts x 4 chan.
    • 4 ohm Bridged: 600 watts x 2 chan.
  • Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply - keeps voltage constant through the Ultra-Fi output devices
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 4, 3 or 2 channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Nickel plated RCA, speaker and power connections
  • Input sensitivity: 200mV - 6V
  • Frequency Response: 20 - 45,000 Hz
  • Signal to Noise Ration: >85dB
  • Selectable crossover modes: Full / LPF / HPF
  • Variable low-pass filter: 30 - 1,500 Hz, 12 dB/octave
  • Variable high-pass filter: 10- 1,500 Hz, 12 dB/octave
  • Variable Bass Boost: 0 to +9 dB bass boost at 45Hz
  • Fuse Rating: 35 A x 2
  • 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Check out the HS35-1200.4 Installation Guide

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
150 watts x 4 channel
Bridged RMS Power
300 watts x 2 channel
Power Specifications - Full Range Channels
Bridged Peak/Max Power
600 watts x 2 channel
Amplifier Specifications
Series
Hercules LTD Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
1200 watts
Total RMS Power Output
600 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
10 - 1,500 Hz
Low-Pass Crossover Frequency
30 - 1,500 Hz
Signal-to-Noise Ratio
>85 dB
Bass Boost
0 - 9 dB
Remote bass/level controller
No
Strappable
No
Sonic Certified Amplifier
Not Tested
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

H351200.4

Weight:

10.50lbs

Internal SKU:

h3512004

Internal Product ID:

107447

Product and How-to Videos


  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


Hifonics H351200.4 Hercules LTD (H35 1200.4) thumbnail image

5 star
60%
4 star
20%
3 star
20%
2 star
0%
1 star
0%



Durability
4.8
Value
4.8
Features
4.8
Design
5
Usability
5

Customer Reviews

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By Anonymous Shopper on August 23, 2025


Nice amp!

I have this amp running a set of 6 1/2 components, and a set of 6 1/2 coaxials.
Nice clean power, does get warm but I have had no issues with it cutting off. Love the matt blue finish!

By Kevin on October 3, 2016 Checkmark Icon Verified purchase


Hear the words

This amp is good never turn off on my or got hot and I got 8 8ohm speakers hooked up to it. ... 4 6.5's and 4 2inch bullet tweeters ...and I got 2 sound qued. 12s wit a 1800 RMS Tesla amp. Wit a extra battery . it sounds gets loud ... And u can hear the words ... I'm in a 2005 Cadillac deville

By Cadillac Karl on April 27, 2016


great amp

I bought this amp because i already have a hifonics hfi2000 for my American Bass subs. I am very pleased with this amp. I live in Arizona and I need something that won't overheat and shut down when it gets hot. Great value. Would recommend highly.

By George on March 28, 2016 Checkmark Icon Verified purchase


Beautiful

Received this amp today, opened it up and looks very well built. Its a dark blue and matches my project car perfectly. I can't wait to run it and try it out. I bought both mono and 4 channel 35th anniversary edition. Would buy again. This is my first hifonic purchase and so far I am not disappointed .

By Jacob on February 12, 2016 Checkmark Icon Verified purchase




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