Garage
Shop

FLI Audio Loaded 450s FL450S-F1

450W Max, Loaded Series 2-Channel Power Amplifier

FLI Audio
Shop all FLI Audio
Product videos
highlight-star-icon

Loaded Series 2-Channel Power Amplifier • 100 Watts x 2 Chan @ 4 Ohm • 115 Watts x 2 Chan. @ 2 Ohm • 450 Watts Max • Selectable Bass EQ • High-Level Inputs • Heavy Duty Aluminum Heatsink • Illuminated FLI Logo

Learn more about the fl450sf1

We apologize

This item has been discontinued

Product Highlights


Loaded Series 2-Channel Power Amplifier • 100 Watts x 2 Chan @ 4 Ohm • 115 Watts x 2 Chan. @ 2 Ohm • 450 Watts Max • Selectable Bass EQ • High-Level Inputs • Heavy Duty Aluminum Heatsink • Illuminated FLI Logo

Description


FLI Audio brand icon

Authorized dealer

  • Loaded Series 2-Channel Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 100 watts x 2 chan.
    • 2 ohm: 115 watts x 2 chan.
    • Bridged, 4 ohm: 225 watts x 1 chan.
  • Max power output: 450 watts
  • MOSFET power supply
  • Optional wired remote bass level control sold separately
  • Power and protection LED indicators
  • Selectable Bass EQ (0, 6, 12 dB bass boost at 45 Hz)
  • Illuminated FLI logos
  • Aluminum plate covers the inputs and outputs for a clean installation
  • Adjustable gain control
  • 2/1 Channel operation
  • High level (Speaker-level) inputs with signal sensing for automatic turn-on
  • Protection circuitry prevents the amplifier from getting to hot
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickle-plated screw terminals
  • Variable high-pass filter (45-300 Hz, 24 dB/octave)
  • Variable low-pass filter (45-300 Hz, 24 dB/octave)
  • Frequency response: 20-20,000 Hz
  • Dimensions: 9-7/8"L x 11-1/4"W x 2-1/8"H
  • 8-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

Best selling similar products

ATOM-900.2 PRO small

Deaf Bonce Apocalypse ATOM-900.2 PRO

• 350 watts x 2 channel @ 4 ohm
• 510 watts x 2 channel @ 2 ohm
• 900 watts x 2 channel @ 1 ohm
• Bridged: 1020 watts x 1 channel @ 4 ohm
• 1000 watts @ 2 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

$229.90

List price $229.90

MFA 2.420 small

Deaf Bonce MFA 2.420

• 420 watts x 2 channel @ 4 ohm
• 630 watts x 2 channel @ 2 ohm
• Bridged: 1260 watts x 1 channel @ 4 ohm
• Total RMS Power: 1260 watts
• Class D 2 ohm Stable 2-Channel Amplifier

$229.90

List price $229.90

ATOM-700.2 PRO small

Deaf Bonce Apocalypse ATOM-700.2 PRO

• 230 watts x 2 channel @ 4 ohm
• 480 watts x 2 channel @ 2 ohm
• 700 watts x 2 channel @ 1 ohm
• Bridged: 960 watts x 1 channel @ 4 ohm
• 14000 watts @ 2 ohm
• Total RMS Power: 700 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

(1)

$199.90

List price $199.90

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
100 watts x 2 channel
RMS Power @ 2 ohms
115 watts x 2 channel
Bridged RMS Power
225 watts x 1 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
2-Channel
Total Peak Power Output
450 watts
Total RMS Power Output
225 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.2%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
45 - 300 Hz
Low-Pass Crossover Frequency
45 - 300 Hz
Channel Separation
90 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
30A x 1 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

FL450S-F1

Weight:

8.00lbs

Internal SKU:

fl450sf1

Internal Product ID:

23955

Product and How-to Videos


Customer Ratings & Reviews


FLI Audio Loaded 450s FL450S-F1 thumbnail image

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



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


CapCell-400 small

Power Acoustik CAPCELL-400

400 amps, 16V High Current Car Audio Power Cell w/ Digital Volt-Meter Display (CAPCELL400)

$104.99

List price $199.99

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.