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FLI Audio FL900S-F2

900W Max FLI Loaded Series 4-Channel Power Amplifier

FLI Audio
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FLI Loaded Series 4-Channel Power Amplifier • MOSFET Power Supply • Variable Bass Boost • High Speaker Level Inputs • Illuminated Logo • RCA Low Level Inputs • Variable High-Pass Filter

Learn more about the fl900sf2

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

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Product Highlights


FLI Loaded Series 4-Channel Power Amplifier • MOSFET Power Supply • Variable Bass Boost • High Speaker Level Inputs • Illuminated Logo • RCA Low Level Inputs • Variable High-Pass Filter

Description


FLI Audio brand icon

Authorized dealer

  • FLI Loaded Series 4-Channel Power Amplifier
  • RMS Power Rating:
    • 4 ohm: 100 watts x 4 chan.
    • 2 ohm: 115 watts x 4 chan.
    • Bridged, 4 ohm: 225 watts x 2 chan.
  • Max power output: 900 watts
  • MOSFET power supply
  • Remote bass level input (remote level control sold separately)
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 45Hz)
  • New FLI design for improved durability and style
  • Illuminated logo shows power protection properties
  • Metal endplate hides and protects wiring for a clean and safe install
  • 4,3,2 channel operation
  • Speaker-level (high-level)
  • 2-Way System Protection circuitry
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Input sensitivity:
    • High/Low level: 250mV-7V
  • Variable high-pass filter (50-500 HZ)
  • Variable low-pass filter (50-500 Hz)
  • Frequency response: 20-20,000 Hz
  • Dimensions: 9-3/8"L x 8"W x 2-3/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
100 watts x 4 channel
RMS Power @ 2 ohms
115 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
225 watts x 2 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
900 watts
Total RMS Power Output
450 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.10%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 500 Hz
Low-Pass Crossover Frequency
50 - 500 Hz
Bass Boost
0 - 12 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
40A x 1 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

FL900S-F2

Weight:

5.00lbs

Internal SKU:

fl900sf2

Internal Product ID:

37567

Product and How-to Videos


Customer Ratings & Reviews


FLI Audio FL900S-F2 thumbnail image

5 star
56%
4 star
33%
3 star
0%
2 star
0%
1 star
11%



Durability
4
Value
4.8
Features
4.4
Design
4.4
Usability
4.6

Customer Reviews

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A excellent 4 channel.

Have this in my 07 dodge charger and it's great. The amp hasn't yet went in protect. It also doesn't require Alot of power and it's loud and clear.

By Bill on August 15, 2011

17 found this helpful


FLI Audio amp review

I have used two of these bad boys... they are great for the price. Compared side-by-side to another high dollar amp its not as great but is also a half the money. They are very durable except in high heat the glue for the face plate comes loose. I would recommend this amp any day.

By Tom on October 22, 2012

16 found this helpful


Bumpin'

I installed this under my back seat of a '69 beetle. I have it hooked up to 2 boss 5 1/4 and a Polk dx12-4. The sub sounds amazing, but I think I fried the speakers, my own fault though.

The controls are easy, you just have to spend a little time tweaking it to the nitty gritty. A plus is that my headlights don't dim, and I don't have a capacitor installed yet.

Only con so far is that it doesn't come with an alan key or a remote. But hey, you get what you pay for and this is a good bang for your buck.

By Brian on July 10, 2012

15 found this helpful


Good value

I installed this amp to run my front and rear 6 1/2 infinitiy speakers. The amp drives the speaker great, no problem with the sound. The only issue I have is with the construction of the amp itself. I had the face of the amp come of due to the Texas heat. I have the amp mounted vertical in my trunk, so i had to glue the face back on to make it stay. Other than that for the money it is a good product.

By Kizer Sosai on September 10, 2012

13 found this helpful


Ummmm.....

So I got this amp for a good deal. Hooked up the amp, to replace a 2 channel Kenwood. Alternator whine, popping and cracking at mid volume. I did a big 3 upgrade, ran reference ground, and soldered all connections, rca's on other side from power. Nothin would solve the issue. Hooked up the kenwood again and no problems. Amp was bad.

By GlowstickNinja on February 7, 2012

14 found this helpful


Low Price...but BIG results.

I saw the Fli demo car at the USACi World Finals and was truely impressed... so I outfitted my Chevy HHR with all Fli equipment. This amp is really impressive. Small size. It looks really clean and can really get the job done. Perfect fit for guys on a budget.

By Eric @ Putter's Custom Concepts on October 6, 2012

14 found this helpful


Pretty decent for the price!

Overall, I think this amp is alright. You get what you pay for in car audio, and let me tell you I didn't really expect much out of the purchase. It has been doing a pretty decent job pushing an FLI 10" subwoofer, as well as 6.5 pioneer comps. I really appreciate how small the footprint is, and its somewhat ugly exterior is easily hidden underneath my seat! I absolutely love that all the hook-ups are located on one side, it makes for a really neat, clean install! I've only had it for a few weeks now, so it is difficult for me to judge the durability--so far so good. If you want a REALLY cheap priced 4-channel amp that does its job pretty well, this might be your choice. Please though don't expect the world out of this little guy, you may be a little disappointed.

By Wayne on January 6, 2012

12 found this helpful


proud owner

Accidentally shorted out one of my speakers so half the amp blew immediately. Still puts our great power and sounds amazing, regardless of only being able too use two channels. Proud of this little amp.

By bmxfreekonwheelz1 on December 9, 2012

12 found this helpful


Great little amp

To start with this is a great little 4ch amp. Sound's clean last long i've had it for 5 years now without one single issue. I would highly recommend it if they still made it

By dee on February 25, 2017 Checkmark Icon Verified purchase

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