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FLI Audio Frequency 12 (FF12-F4)

12" Single 4 ohm Frequency Series Car Subwoofer

FLI Audio
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12" Single 4 ohm Frequency Series Subwoofer • 1200W Max • 400W RMS • IMPP Electroplated Woofer Cone • Butyl Rubber Surround • Rubber Gasket • Nickel Plated Spring Loaded Terminals • Mounting Depth: 5-11/16"

Learn more about the ff12f4

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This item has been discontinued

Product Highlights


12" Single 4 ohm Frequency Series Subwoofer • 1200W Max • 400W RMS • IMPP Electroplated Woofer Cone • Butyl Rubber Surround • Rubber Gasket • Nickel Plated Spring Loaded Terminals • Mounting Depth: 5-11/16"

Description


FLI Audio brand icon

Authorized dealer

Reaching an Improved Frequency with FLI Audio

The new Frequency series subwoofers from FLI Audio have been improved for a better and more accurate bass reproduction. They come available in a 10" or 12" woofer size and feature an injection molded Electroplated woofer cone that will create a more articulate and faster bass. The use of a Butyl rubber will deliver improved frequency response as well as added woofer protection from high excursion levels. The woofers are rated at 300W RMS for the 10" and 400W RMS for the 12" giving you enough power to really hit those lower frequencies. The single 4 ohm voice coil make them easy to wire to a monoblock amplifier or even a 2-channel amplifier at the bridged impedance giving the subwoofers versatility in wiring. If you are looking for a dependable woofer that will sound great and not break the bank then FLI Audio's Frequency series subwoofers are the way to go.

Product Features:
  • 12" Single 4 ohm Frequency Series Subwoofer
  • Power Handling:
    • Peak: 1200 watts
    • RMS: 400 watts
    • Minimum Input: 200 watts
  • Impedance: Single 4 ohm
  • IMPP Electroplated woofer cone for articulate and fast bass
  • Butyl rubber woofer surround for increased frequency response
  • Rubber gasket for added air tight seal and style
  • Nickel plated spring-loaded speaker terminals for quick and secure connection
  • Rubber magnet boot dresses motor for protection
  • Single voice coil
  • Frequency response: 25-1,500 Hz
  • Cutout Dimensions: 11-1/4"
  • Mounting Depth: 5-11/16"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Product history:

FLI Audio FF12-F4 thumbnail
(newest, current model)
FLI Audio FF12-F2 thumbnail
(previous model, replaced by FLI Audio Frequency 12 (FF12-F4))

Subwoofer Wiring Guide


Wiring Guide to Wire 1 FLI Audio Frequency 12 (FF12-F4) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 FLI Audio Frequency 12 (FF12-F4) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 FLI Audio Frequency 12 (FF12-F4) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 FLI Audio Frequency 12 (FF12-F4) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
Frequency Series
Subwoofer Size
12"
Peak Power Handling
1200 watts
RMS Power Handling
400 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohms
Frequency Response
25 - 1500 Hz
Subwoofer Design
Round / Circle
Main Cone Color
Silver
Woofer Composition
IMPP Electroplated
Woofer Surround
Butyl Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.50 cubic feet
Maximum Sealed Box Volume
2.0 cubic feet
Minimum Ported Box Volume
1.50 cubic feet
Maximum Ported Box Volume
1.50 cubic feet
Top-Mount Depth (Mounting Depth)
5-11/16"
Cutout Diameter
11-1/4"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

FF12-F4

Weight:

12.00lbs

Internal SKU:

ff12f4

Internal Product ID:

36655

Product and How-to Videos


Customer Ratings & Reviews



5 star
40%
4 star
40%
3 star
20%
2 star
0%
1 star
0%



Durability
4.4
Value
5
Features
4.4
Design
4.6
Usability
5

Customer Reviews

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Stupid loud subs

Just got two of these hooked up in a ported q logic box and they are crazy loud. These can easily handle the rms ratings no problem. 2 of them and my rear view mirror falls off.

By Daniel on March 26, 2012

13

found this helpful.

F-4 is correct !

Liked the looks, the price was really good. After "free air" break in period, stuck it in a 1.7 sealed/1.4 partition ported enclosure on 1 1/2" x 22". Thing turned out sickening. Have yet to run more than 200 watts on .6 boost, but as is, It turned out to be the loudest, hard hitting, and steady sub on a 12" diameter in my entire area. Can't wait to hook up my KDC-7206 on this beast. Additionally the leads for the coil are one small detail I love!! Wish more drivers had the same spider integrated design, so I wouldn't have so many failures from over excursion. I will be ordering more for my future projects.

By Jim on March 3, 2012

13

found this helpful.

Good sub on the cheap!

When the tinsel leads on my older Infinity Ref series sub fried, I needed a quick replacement on the cheap. I know to stay wayyy clear of Boss, Pyle, Legacy, and especially Pyramid low end subs. When I read that FLI was made by VIBE I figured it couldnt be all that bad and took a leap of faith with this Frequency 12 sub, and quite happy that I did.

At 1st it sounded a bit strange and slow to respond, but now after about 20 hours of wear in time, it really is sounding much MUCH better. Currently it's running at 300rms, which is what the Infinitys rms was, and the reason I bought a 300rms(@ 4ohms) Kenwood amp. So even being underpowered, its sounding pretty sweet. The suspension on this sub is pretty tight, and surround is nice and thick. The cone feels fairly ridged also. All nice attributes in a sub. The spring loaded teminals are a plus, and make installation hasle free and quick.

One thing I especially love, and something that isnt mentioned in the description, is that the tinsel leads are woven into the spider (suspension). That is something more commonly seen in higher priced subs. Woven tinsel leads, as far as Ive heard, have better longevity than a non-woven lead. Kudos to FLI for that!

The hardware is even quite nice...it comes with nice hex screws to mount it with rather than cheap phillips screws. It also gives it a cleaner, classy look when installed.
My only gripe with this sub would be the pointless rubber boot. For one, it does absolutely nothing. Second, it doesnt even fit all that snug. Its only snug around the magnet, but the thicker pieces that sit on the basket just kind of flop around, and MAY give off some unwanted vibration when the sub is thumping. Best bet would be to just remove the rubber boot before install. You don't get to see it anyway, so no biggie. This sub is very well made for the price tag.

Now that Ive run it in a bit more, it might even be better sounding than the old Infinity it replaced. If SE gets any more back in stock, I will surely buy another. At $30 its a no-brainer and cheap enough to take the chance for yourself. Just make sure you give it some time to break in. I did just that, and like I said before, it sounds much better than when I 1st put it in my car. I would really like to hear it running at its full 400rms, but for now, the 300rms is doing the job nicely. In my opinion, I wouldnt power it with anything less than 300rms in a sealed enclosure. Very sure it would pound nice with less wattage in a ported box tho. Or even in a hatchback car, van, suv, pu truck, etc. In an enclosed trunk space, which I have, and in a sealed box. It's gonna need some juice.

By B.W. on February 29, 2012

12

found this helpful.

rubber boot

These subs are fierce for the price and i have 3 in a sealed box in suv and they kick. But the rubber boot mentioned is there for setting the speaker down without scratching the magnet. And to avoid some of the magnet attractions like anything metal.

By twiztedmindz on March 10, 2012

10

found this helpful.

Good value sub

Seem well made with durable material, look great. Caught them on sale and had to give them a try. Not disapointed. Good value subwoofer, would compete with most major manufacturers low end line. (Prime, Cobalt, etc).

Cons. Took several weeks to break them in. Sometimes has a strange tone, apparently from cone material or hard plastic dust cap. Has some rubber pieces on back that have no apparent use except for looks. Had a lot of port noise (ported magnet) when mounted backwards

By fikes on December 28, 2011

9

found this helpful.

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