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Home » Car Audio, Video & GPS » Car Audio » Car Subwoofers » 12" Subwoofers » Hifonics HF12D4
Hifonics HF12D4: main picture thumbnail Hifonics HF12D4: alternate picture thumbnail Hifonics HF12D4: alternate picture thumbnail Hifonics HF12D4: alternate picture thumbnail

Hifonics HF12D4

Dual 4 ohms 12" Subwoofer

  • 4.0

(1 review)

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The product on this page is discontinued.

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I am so impressed with the quality of service, value and customer support provided by Sonic. In the past I have always purchased from C*********d and felt good about it until I found Sonic. Thanks for the savings on both my new Pioneer AVH 4300 and Rockford Fosgate Prime 1000.

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See more…
  • HF Series 12" Car Subwoofer
  • Power Handling:
    • 350 watts RMS
    • 700 watts Peak
  • Polypropylene Design
  • High-Energy Magnet
  • Silver Laminate Cone
  • Chrome Speaker Frame
  • Multi-Layer High Temperature Voice Coil
  • Front Plate & Voice Coil Cooling
  • Integrated Spider Tinsel-Lead Design
  • Hi-Excursion Rubber Surround
  • High Strength Suspension Material
  • Push & Insert Wire Terminals
  • 1-year SonicElectronix.com warranty

Product History:

Hifonics HFX12D4 thumbnail
(newest, current model)
Hifonics HFi12D4 thumbnail
(previous model, replaced by Hifonics HFX12D4)
Hifonics HF12D4 thumbnail
(previous model, replaced by Hifonics HFi12D4)
Subwoofer Specifications
Subwoofer Size 12"
Peak Power Handling 700 watts
RMS Power Handling 350 watts
Voice Coil(s) Dual
Impedance (Per Voice Coil) 4 ohms
Frequency Response 24 Hz
Sensitivity 89.5 dB
Xmax (millimeters) 11 mm
Woofer Composition Silver Laminate
Woofer Surround Rubber
Warranty and Return Policy
Return Policy Standard Return Policy
Customer Review Summary for Hifonics HF12D4
Average Customer Rating is 4.0 out of 5 stars:
  • 4.0
based on 1 Review
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Rating Distribution:
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4 star:
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what's this?
Average Attributes Rating:
Durability
  • 4.0
 4.0
Value
  • 4.0
 4.0
Features
  • 4.0
 4.0
Design
  • 5.0
 5.0
Usability
  • 5.0
 5.0
what's this?
Most Helpful Customer Reviews:
November 10, 2006 Great
Review by
Matt from Warwick, RI
Overall
  • 4.0
Durability
  • 4.0
Value
  • 4.0
Features
  • 4.0
Design
  • 5.0
Usability
  • 5.0
i recomend these subs for anyone who is looking for that jackie chan in they trunk, i have 2 of these hooked up to a 1920watt power acoustics amp and they bump extremely nicely, although they took about a month or so to break in, once they did they sounded alot better, but you're lookin at around a month break in time
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Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
  Product Price Add?
15 ft. of 12 AWG StreetWires Speaker Wire 15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer. 		$24.99
20 ft. of 12 AWG Kicker Speaker Wire 20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation. 		$39.95
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
  Product Price Add?
Dynamat Rubber Roller Dynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat! 		$18.99
Dynamat Xtreme Trunk Kit Dynamat Xtreme Trunk Kit
Get better sounding bass from your new subwoofer with enough Dynamat Extreme for your entire trunk. 		$93.99
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
  Product Price Add?
20 oz. Bag of Poly-Fil 20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system. 		$5.99
16 oz. Can of Adhesive Spray 16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles. 		$5.99
Binding Post Terminal Cup Binding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure. 		$4.99
Banana Clip Terminals Banana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection. 		$4.99
Installation, Tools & Accessories
Don't forget to get the tools and accessories that will help you install your new subwoofer in your vehicle. Whether you opt for the professional installation card or the do-it-yourself method, you will need the following to help you out!
  Product Price Add?
Car Stereo and Speaker / Subwoofer Installation Tool Kit Car Stereo and Speaker / Subwoofer Installation Tool Kit
Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more. 		$14.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
  Product Price Add?
Scosche SPL Meter Scosche SPL Meter
Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB. 		$24.99
AutoSound 2000 CD-101 AutoSound 2000 CD-101
Low frequency test CD 		$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement. 		$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components. 		$12.99

For more information on wiring subwoofers, visit our Subwoofer Wiring Guide: Subwoofer Wiring Guide

Product Summary

Manufacturer: Hifonics
Model number: HF12D4
Weight: 12.00 lbs
Internal SKU: hf12d4
Internal product ID: 7746