Garage
Shop

FLI Audio FA800.4-F1

800W Max, 4-Channel ACID Series Class A/B Car Amplifier

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

2-Channel ACID Series Class A/B Car Amplifier • 4 ohm: 80 watts x 4 chan. • 2 ohm: 100 watts x 4 chan. • Bridged, 4 ohm: 200 watts x 2 chan. • Max power output: 800 watts x 1 chan. • Pulse Width Modulated MOSFET Power Supply

Learn more about the fa8004f1

We apologize

This item has been discontinued

Product Highlights


2-Channel ACID Series Class A/B Car Amplifier • 4 ohm: 80 watts x 4 chan. • 2 ohm: 100 watts x 4 chan. • Bridged, 4 ohm: 200 watts x 2 chan. • Max power output: 800 watts x 1 chan. • Pulse Width Modulated MOSFET Power Supply

Description


FLI Audio brand icon

Authorized dealer

General Features:

  • 4-Channel ACID Series Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 80 watts x 4 chan.
    • 2 ohm: 100 watts x 4 chan.
    • Bridged, 4 ohm: 200 watts x 2 chan.
  • Max power output: 800 watts x 2 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 50 Hz)
  • Soft start turn-on
  • 2 or Mono channel operation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Frequency response: 20-20,000 Hz
  • 8 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 11"W x 7"D x 2-2/10"H
  • 1-year Sonic Electronix Warranty

Best selling similar products

VADM4v2 small

NVX VADM4 v2 (VADM4v2)

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(41)

$209.99

List price $239.99

NDA6004 small

NVX NDA6004

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(14)

$159.99

List price $215.99

MFA 4.220 small

Deaf Bonce MFA 4.220

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$289.90

List price $289.90

RD400/4 small

JL Audio RD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(28)

$379.99

List price $379.99

MFA 4.180 small

Deaf Bonce MFA 4.180

• 180 watts x 4 channel @ 4 ohm
• 270 watts x 4 channel @ 2 ohm
• Bridged: 540 watts x 2 channel @ 4 ohm
• Total RMS Power: 1080 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$259.90

List price $259.90

JD400/4 small

JL Audio JD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(34)

$299.99

List price $299.99

VAD10004v2 small

NVX VAD10004 v2 (VAD10004v2)

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(24)

$279.99

List price $335.99

MVPA4 small

NVX MVPA4

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(70)

$279.99

List price $383.99

AP200/4BT small

JL Audio AP200/4BT

• 40 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 4 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$549.99

List price $659.99

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
80 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
Bridged RMS Power
200 watts x 2 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
800 watts
Total RMS Power Output
400 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

FA800.4-F1

Weight:

6.00lbs

Internal SKU:

fa8004f1

Internal Product ID:

61437

Product and How-to Videos


Customer Ratings & Reviews


FLI Audio FA800.4-F1 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
100%



Durability
1
Value
1
Features
1
Design
1
Usability
1

Customer Reviews

Sort by:

Loading...

Horrible

This amp is the worst amp anyone could ever buy, it says 800w peak no way in hell it's that much my factory 250 amp pushes harder dont buy this amp it sucks.

By Austin on October 25, 2012

15 found this helpful




D1S/C/R-8K-SB-RB small

Race Sport Accessories D1S/R/C-8K-SB-RB

Pack of HID OEM Replacement Bulbs w/ 8000K Color Temp and D1S/C/R Vehicle Connector

$49.99

List price $89.99

2201638 small

Gerber 2201638

Flik Multi-Plier Needlenose

$84.80

List price $67.00

m50blks_cube40xl small

ESP M-50 (BLKS) Electric Guitar Package with FREE Cables

Black Satin Electric Guitar + 40 Watt Guitar Amplifier + Guitar Pedal + Gig Bag + FREE Cables

(1)

$334.99

List price $820.64

Diesel VEKTR Black-2 small

Monster Diesel VEKTR - Black

In-Ear Ultra Performance Headphones with Smartphone In-Line Microphone and Track/Volume Control

$39.00

List price $179.95

HWCP644 small

Cook Pro HWCP644

8 Cup Sandwich To Go Set With Cool Pack

$11.99

List price $20.00

72500RY small

Proctor Silex 72500RY

1.5-cup Mini Food Chopper w/ Pulse Function

$9.95

List price $0.00

VDC1.5V1 small

Maxxlink VDC1.5V1

Low ESR 1.5 Farad Capacitor w/LCD Display for Systems up to 1500 watts

(1)

$44.99

List price $69.99

DDX419 small

Kenwood DDX419

In-Dash 6.1" Double DIN Touchscreen CD/DVD Receiver w/ Built-In Bluetooth & Pandora Internet Radio

(8)

$349.99

List price $579.99

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.