Garage
Shop

See all parts that fit your 2001 Outback

Autotek AXL4050.4

4000W 4-Channel AXL Series Class AB Car Amplifier

Autotek
Shop all Autotek
Product videos
highlight-star-icon

• 500W x 4-Chan. @ 4 ohm
• 1000W x 4-Chan. @ 2 ohm
• 2000W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

Learn more about the axl40504

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

254
-33.36%

$79.96

List price $119.99

XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

SXE-1726S main

Alpine SXE-1726S

440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

13
-21.82%

$42.99

List price $54.99

MVH-S322BT main

Pioneer MVH-S322BT

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

7
-13.34%

$129.99

List price $150.00

Limited time!
KFC-1666S main

Kenwood KFC-1666S

600W Peak (60W RMS) 6.5" Sport Series 2 Way Coaxial 4-ohm Car Speakers

51
-38.75%

$49.00

List price $80.00

Product Highlights


• 500W x 4-Chan. @ 4 ohm
• 1000W x 4-Chan. @ 2 ohm
• 2000W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

Description


Autotek brand icon

Authorized dealer

General Features:

  • AXL Series 4-Channel Class AB Car Amplifier
  • Max Power Rating:
    • 4 ohm: 500 watts x 4 chan.
    • 2 ohm: 1000 watts x 4 chan.
    • Bridged, 4 ohm: 2000 watts x 2 chan.
  • Wired bass level remote control included
  • Dual blue optic illumination AXL custom gear graphics
  • 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
  • 4/3/2 or Mono channel operation
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs to daisy chain multiple amps
  • 4-way protection circuitry (thermal, overload, and speaker short protection, DC)
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • Level: 200mV-5V
  • Variable high-pass filter (60-12,000 Hz)
  • Variable low-pass filter (30-250 Hz)
  • Damping factor: >180
  • Frequency response: 10-45,000 Hz
  • 4 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: 9-1/16"W x 19-7/8"D x 2-5/16"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

254
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

214
-9.16%

$109.00

List price $119.99

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

72
-10.53%

$84.99

List price $94.99

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

REF6532IXAM main

Infinity Reference REF6532IXAM

360W Peak (120W RMS) 6.5" Reference Series 2 Way Coaxial 3-ohm Speakers

22
-20.01%

$119.95

List price $149.95

XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99


Best selling similar products

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

(22)

$159.99

List price $215.99

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

(111)

$209.99

List price $239.99

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

(44)

$304.99

List price $379.99

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

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

R2-500X4 small

Rockford Fosgate Prime R2 R2-500X4

• 75 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

(10)

$359.99

List price $359.99

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

(117)

$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

CXA360.4 small

Kicker CXA360.4 (46CXA3604T)

• 65 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

(16)

$229.99

List price $249.99

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
500 watts x 4 channel
RMS Power @ 2 ohms
1000 watts x 4 channel
Bridged RMS Power
2000 watts x 2 channel
Amplifier Specifications
Series
AXL Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
8000 watts
Total RMS Power Output
4000 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.05%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
60 - 1200 Hz
Low-Pass Crossover Frequency
30 - 250 Hz
Signal-to-Noise Ratio
90 dB
Channel Separation
80 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
35A x 2 
Strappable
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

AXL4050.4

Weight:

11.80lbs

Internal SKU:

axl40504

Internal Product ID:

67971

Product and How-to Videos


  • Autotek AXL Series Car Amplifiers
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


Autotek AXL4050.4 thumbnail image

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



Durability
4.5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Autotek axl4050.4

Hello everyone! I would like to say, this amplifier is the best! !!!

By zoli on February 8, 2014

14 found this helpful


well worth the money

I just installed my AXL4050.4 autotexk 4 channel amp..I must say that I'm all smiles, didn't not know I would ever found a 4 channel amp with so much power. ..I have 16 speakers hooked up to this amp and I have no problems so far..I have the power now to push my highs , and not only loud it's also so clean ..this 4 channel amp is well worth the money spent. .

By michael on May 18, 2014

10 found this helpful




No picture

Pyramid PB875 Power Series

$109.99

List price $254.99

DAB12004 small

Digital Audio DAB12004

1200W, 4-Channel Class A/B MOSFET Amplifier

$199.99

List price $339.99

CER450.4 small

Boss CER450.4

1000W 4-Channel Class AB Chaos Epic Series Stereo Bridgeable Amp

(2)

$84.99

List price $309.99

RC204A small

RCA RC204A

400W Max, 4-Channel Amplifier

$89.99

List price $999.99

SPS-619 small

Alpine Type-S SPS-619

170W 6x9" 3-way Type-S Series Coaxial Speakers w/ Silk Tweeters

(43)

$109.99

List price $150.00

ISU130 small

Focal ISU130

Universal Line 5" 2-Way Component Speakers

$319.99

List price $400.00

GPV 1200.4 small

Crunch GPV 1200.4

1200W Maxx Ground Pounder Series 4-Channel Class A/B Car Amplifier

(10)

$89.99

List price $199.99

HCC65C small

Hifonics HCC65C

300W Peak (150W RMS) 6.5" Colossus Classic Series 2 Way Component Speaker System

(1)

$49.99

List price $69.99

HMV1630DBWW small

HAIER HMV1630DBWW

30-inch Over-The-Range 1000 Watt Microwave

(1)

$169.99

List price $179.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2001 Subaru Outback

2006 Dodge Sprinter

1998 Mitsubishi Eclipse

1981 Buick Electra

2017 Ram 2500

2014 Audi A5

2001 Audi A4

2007 GMC Envoy

1992 Mitsubishi Eclipse

2009 MINI Cooper

Vehicle
Store
Delete

2022 Harley Davidson FLHT Electra Glide Standard

2021 Harley Davidson FLHT Electra Glide Standard

Vehicle
Store
Delete

2013 Can-Am Commander E LSV

2014 Can-Am Commander 1000 LTD

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
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.