Garage
Shop

See all parts that fit your 2006 Mark LT

Autotek SMA2100.4

2100W 4-Channel Street Machine Series Class AB Amplifier

Autotek
Shop all Autotek
Product videos
highlight-star-icon

• RMS: 275W x 4 @ 4 ohm, 525W x 4 @ 2 ohm, 1050W x 2 @ 4 ohm Bridged
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

Learn more about the sma21004

We apologize

This item has been discontinued


Loading...
72-5600 main

Metra 72-5600

Install New Speakers in select 1993-2017 vehicles from Ford, Mazda, Mercury

107
-33.36%

$9.99

List price $14.99

FD1426B main

Scosche FD1426B

Double DIN Stereo Dash Kit for select 2004-2009 vehicles from Ford, Mercury, Lincoln (Black)

118
-6.69%

$13.95

List price $14.95

FMK540 main

American International FMK540

Single DIN or Double DIN Stereo Dash Kit for select 2004-2016 vehicles from Ford, Lincoln, Mercury

14
-71.82%

$10.99

List price $39.00

99-5812 main

Metra 99-5812 Dash Kit

Install a new Single-DIN car stereo in select 2004-2016 vehicles from Ford, Lincoln, Mercury

6
-46.68%

$15.99

List price $29.99

FDK11B main

Scosche FDK11B Wiring Harness

Install a new car stereo in select 2004-2009 vehicles from Lincoln, Ford

41
-20.07%

$11.95

List price $14.95

99-5815 main

Metra 99-5815

Single DIN or Double DIN Stereo Dash Kit for select 2006-2014 vehicles from Lincoln, Ford

21
-42.87%

$19.99

List price $34.99

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

124
-5.72%

$329.95

List price $349.95

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)

43
-16.69%

$149.95

List price $180.00

Limited time!
CAR1013 main

Jensen CAR1013

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto

5
-11.43%

$309.99

List price $349.99

Product Highlights


• RMS: 275W x 4 @ 4 ohm, 525W x 4 @ 2 ohm, 1050W x 2 @ 4 ohm Bridged
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

Description


Autotek brand icon

Authorized dealer

General Features:

  • Street Machine Series Class AB 4-Channel Amplifier
  • Max Power Rating:
    • 4 ohm: 275 watts x 4 chan.
    • 2 ohm: 525 watts x 4 chan.
    • Bridged 4 ohm: 1050 watts x 2 chan.
  • Total power output: 2100 watts
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power and protect indicators
  • Soft start turn-on
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Nickel plated brass connections w/ hex set screw terminals
  • Multi channel operations (4/3/2/1)
  • High level inputs
  • Input sensitivity: 0.2V - 6V
  • Frequency Response: 10 - 45,000 Hz
  • Signal to Noise Ration: >90 dB
  • Variable Bass Boost: 0 to +9 dB
  • Variable high-pass filter: 60 - 1,200 Hz, 12 dB/octave
  • Variable low-pass filter: 30 - 250 Hz, 12 dB/octave
  • Fuse Rating: 25A x 2
  • 12 gauge speaker output terminals
  • 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 8.80"W x 13.60"L x 2.32"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Loading...
REF507CF_2_MET-825601_2 main

2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates

390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates

3
-12.14%

$477.88

List price $543.88

BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

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

122
-33.36%

$79.96

List price $119.99

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

124
-5.72%

$329.95

List price $349.95

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

43DSC6504 main

Kicker DSC650 (43DSC6504)

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

28
-10.53%

$84.99

List price $94.99

BMV62W main

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

28
-66.67%

$89.99

List price $269.99

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

12
-9.16%

$109.00

List price $119.99

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


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

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 4.220 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

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

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

DS 1200X4 small

Taramps DS 1200X4

• 192 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: 600 watts x 2 channel @ 4 ohm
• Total RMS Power: 1200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(5)

$219.99

List price $258.00

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

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

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

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
275 watts x 4 channel
RMS Power @ 2 ohms
525 watts x 4 channel
Bridged RMS Power
1050 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
275 watts x 4 channel
Peak Power @ 2 ohms
525 watts x 4 channel
Bridged Peak/Max Power
1050 watts x 2 channel
Amplifier Specifications
Series
Street Machine Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
2100 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Speaker Level Inputs
Yes
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
60 - 1,200 Hz
Low-Pass Crossover Frequency
30 - 250 Hz
Signal-to-Noise Ratio
>90 dB
Bass Boost
0 - 9 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Strappable
No
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SMA2100.4

Weight:

7.40lbs

Internal SKU:

sma21004

Internal Product ID:

94864

Product and How-to Videos


Customer Ratings & Reviews


Autotek SMA2100.4 thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
4.5
Usability
5

Customer Reviews

Sort by:

Loading...

Pretty good product

Pretty good nice sound I love the way they look ,and they have a clear crisp sound.

By Zack g on December 7, 2015

2 found this helpful


Good Amp

This amp is awesome dosent get hot I've had no issues with it at all it is a bit bulky but for the price and quality can't really complain mounted under my seat in my 09 dodge ram for my door and dash speakers and it rocks

By Josh on April 4, 2016 Checkmark Icon Verified purchase




CDR525 small

Crimestopper CDR525

Commercial DVR 4-Channel Mobile Digital Video Recorder with Built-in GPS system to give location of recorded events

$429.99

List price $599.99

SV-6904.PRO small

Crimestopper SV-6904.PRO

150-degree Custom 3rd Brake Light Camera for Dodge Promaster Vans (2011-2014)

$123.48

List price $449.95

No picture

Princeton Tec HEL4AAFR

4aa Clip Fire

$17.99

List price $20.00

DUOVPAIPH3GVNV small

Ventev Dual Output Car Charger (iPhone & iPod)

Dual Output Vehicle Power Adapter for iPhone, iPod, & Other USB Devices (DUOVPAIPH3GVNV)

$17.99

List price $27.99

SV-6919.IR.L small

Crimestopper SV-6919.IR.L

Left Side Mount SideCam w/ Night Vision for Larger Vehicles

$44.99

List price $129.95

V12GW-8125 small

T-Spec V12GW-8125

125 ft. (38.10m) 8 Gauge V12 Series Full OFC True Spec Ground Wire

$149.99

List price $218.00

PWB8200-1 small

Kicker PWB8200-1 (Sold by the Foot)

1 ft. of OFC 8-AWG Cobalt Blue Hyper-Flex Power/Ground Cable

(2)

$449.99

List price $449.99

ABAHNPKG1 small

Audiobahn Mobile Video Package: AVDVD10P + AVM270Q

(1)

$259.99

List price $599.99

HWHL031212 small

Herstal HWHL031212

Herstal 1031031212 Yin & Yang Shape Stainless Steel Salt Pepper Shakers

$28.99

List price $42.00

Related Searches


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

2002 Cadillac Escalade EXT

2006 Lincoln Mark LT

2001 Mazda Tribute

1998 Mazda MPV

2019 Honda Pilot

2021 GMC Terrain

2024 Nissan Altima

2009 Kia Optima

1998 Isuzu Trooper

2012 Audi TT Quattro

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.