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Autotek SMA2100.4

2100W 4-Channel Street Machine Series Class AB Amplifier

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• 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

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This item has been discontinued

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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

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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

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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




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