FREE LIFETIME SUPPORT FREE SHIPPING
Home » Car Audio, Video & GPS » Car Audio » Car Amplifiers » 4-Channel Amplifiers » FLI Audio FL900S-F2
Previous page FLI Audio FL900S-F2: main picture thumbnail FLI Audio FL900S-F2: alternate picture thumbnail FLI Audio FL900S-F2: alternate picture thumbnail FLI Audio FL900S-F2: alternate picture thumbnail FLI Audio FL900S-F2: alternate picture thumbnail Next page

FLI Audio FL900S-F2

900W Max FLI Loaded Series 4-Channel Power Amplifier

  • 4.1

(8 reviews)

Read 8 reviews

Write a review

The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails

Why Shop Sonic?

Find the right amplifier for your subwoofers
SONY Marine Gear Giveaway

Customer Testimonial

I recommend Sonic for any purchase. Excellent! Thanks a lot Tiffany.

- Sun K. from Korea

See more…
  • FLI Loaded Series 4-Channel Power Amplifier
  • RMS Power Rating:
    • 4 ohms: 100 watts x 4 chan.
    • 2 ohms: 115 watts x 4 chan.
    • Bridged, 4 ohms: 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
Power Specifications - Full Range Channels
RMS Power @ 4 ohms 100 watts x 4 channels
RMS Power @ 2 ohms 115 watts x 4 channels
RMS Power @ 1 ohm Not Stable
Bridged RMS Power 225 watts x 2 channels
Peak Power Output 900 watts x 2 channels
Amplifier Specifications
Amplifier Class AB
Number of Channels 4
Total Peak Power Output 900 watts
Total RMS Power Output 450 watts
Maximum Input Gauge Size 4 AWG
Minimum Impedance Unbridged 2 ohms
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
Bass/Gain Remote Optional (Accessory required and sold separately)
Fan Cooled No
Fuse Rating 40A x 1 
CEA-2006 Compliant No
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for FLI Audio FL900S-F2
Average Customer Rating is 4.1 out of 5 stars:
  • 4.1
based on 8 Reviews
Share your thoughts with others:
Write a Review
Rating Distribution:
5 star:
.
.
 50%
4 star:
.
.
 38%
3 star:
.
 0%
2 star:
.
 0%
1 star:
.
.
 13%
what's this?
Average Attributes Rating:
Durability
  • 3.9
 3.9
Value
  • 4.8
 4.8
Features
  • 4.3
 4.3
Design
  • 4.3
 4.3
Usability
  • 4.5
 4.5
what's this?
Quick Comparison:
Most helpful favorable review vs. Most helpful critical review
Most Helpful Customer Reviews:
August 15, 2011 A excellent 4 channel.
2 of 2 people found the following review helpful:
Review by
Bill from Dunnellon, FL
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
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.
Help other customers find the most helpful reviews
Was this review helpful to you?
Yes No
 Report Abuse | Write a Review
Share on Facebook Share on Twitter Share on Delicious
December 9, 2012 proud owner
Review by
bmxfreekonwheelz1 from Oklahoma City, OK
Overall
  • 4.0
Durability
  • 3.0
Value
  • 4.0
Features
  • 4.0
Design
  • 5.0
Usability
  • 3.0
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.
Help other customers find the most helpful reviews
Was this review helpful to you?
Yes No
 Report Abuse | Write a Review
Share on Facebook Share on Twitter Share on Delicious
October 22, 2012 FLI Audio amp review
Review by
Tom from Peoria IL
Overall
  • 5.0
Durability
  • 4.0
Value
  • 5.0
Features
  • 4.0
Design
  • 5.0
Usability
  • 5.0
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.
Help other customers find the most helpful reviews
Was this review helpful to you?
Yes No
 Report Abuse | Write a Review
Share on Facebook Share on Twitter Share on Delicious
October 6, 2012 Low Price...but BIG results.
Review by
Eric @ Putter's Custom Concepts from Brandon, MS
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
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.
Help other customers find the most helpful reviews
Was this review helpful to you?
Yes No
 Report Abuse | Write a Review
Share on Facebook Share on Twitter Share on Delicious
September 10, 2012 Good value
Review by
Kizer Sosai from Mac Town, Texas
Overall
  • 4.0
Durability
  • 3.0
Value
  • 4.0
Features
  • 4.0
Design
  • 2.0
Usability
  • 4.0
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.
Help other customers find the most helpful reviews
Was this review helpful to you?
Yes No
 Report Abuse | Write a Review
Share on Facebook Share on Twitter Share on Delicious
View All 8 Reviews for FLI Audio FL900S-F2
Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
  Product Price Add?
NVX XKIT44 NVX XKIT44
4-Channel 100% OFC Complete True 4 Gauge Amp Kit with RCA Cables and Speaker Wire 		$114.99
Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
  Product Price Add?
NVX XWS1225 Speaker Wire NVX XWS1225 Speaker Wire
25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire 		$39.99
NVX XWS1250 Speaker Wire NVX XWS1250 Speaker Wire
50 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire 		$29.99
Kicker XW1220 Speaker Wire Kicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install 		$39.95
StreetWires SCP1215BL - 12 AWG Speaker Wire StreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction 		$24.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
  Product Price Add?
NVX XIV45 4-Channel RCA Audio Interconnect Cable NVX XIV45 4-Channel RCA Audio Interconnect Cable
5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology 		$23.99
NVX XIX45 X-Series RCA Interconnect Cable NVX XIX45 X-Series RCA Interconnect Cable
16.4 ft. of 4-Channel X-Series RCA Cable with Dual Twisted Pair Hyper-Flex Technology 		$44.99
StreetWires ZN9 Series Interconnect Cable StreetWires ZN9 Series Interconnect Cable
16.4 ft. of 4-Channel RCA Cable with Rhodium-plated contacts and ZeroNoise construction for clear signal transfer! 		$99.99
Capacitors
Capacitors store energy for the amplifier to use on demand, thereby assisting in the elimination of dimming lights during peak power surges during use.
  Product Price Add?
e2 ECAP1 by Scosche - Mid-Level 1 Farad e2 ECAP1 by Scosche - Mid-Level 1 Farad
Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max 		$49.99
Rockford Fosgate RFC1D - Top of the Line 1 Farad Rockford Fosgate RFC1D - Top of the Line 1 Farad
Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max 		$99.95
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
  Product Price Add?
StreetWires FB4 StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing 		$7.99
Kicker DB1448 (09DB1448) - Top of the Line! Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs 		$29.95
Professional Installation for your Car Power Amplifier Professional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network. 		$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
  Product Price Add?
Scosche SPL Meter SPL1000F Scosche SPL Meter SPL1000F
Handheld boomSTICK measures your SPL range from 60 to 135 dB 		$24.99
AutoSound 2000 CD-104 AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components 		$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

Product Summary

Manufacturer: FLI Audio
Model number: FL900S-F2
UPC: 086429229567
Weight: 5.00 lbs
Internal SKU: fl900sf2
Internal product ID: 37567