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Autotek SMA1100.4

1100W 4-Channel Street Machine (SMA) Series Amplifier

Autotek
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• Max: 150W x 4 @ 4 ohm, 275W x 4 @ 2 ohm , Bridged 550W x 2 @ 4 ohm
• Total Peak Power: 1100W
• Pulse Width Modulated MOSFET power supply
• Preamp RCA outputs to daisy chain multiple amps
• High-density split-dome convection heat-sink for extreme heat dissipation

Learn more about the sma11004

We apologize

This item has been discontinued


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Product Highlights


• Max: 150W x 4 @ 4 ohm, 275W x 4 @ 2 ohm , Bridged 550W x 2 @ 4 ohm
• Total Peak Power: 1100W
• Pulse Width Modulated MOSFET power supply
• Preamp RCA outputs to daisy chain multiple amps
• High-density split-dome convection heat-sink for extreme heat dissipation

Description


Autotek brand icon

Authorized dealer

General Features:

  • Street Machine Series 4-Channel Amplifier
  • Max Power Rating:
    • 4 ohm: 150 watts x 4 chan.
    • 2 ohm: 275 watts x 4 chan.
    • Bridged, 4 ohm: 550 watts x 2 chan.
  • Max power output: 1100W
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • 4/2 channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • High-density split-dome convection heat-sink for extreme heat dissipation
  • Gold plated spade terminal wire connections
  • Input sensitivity: 200mV - 6V
  • Variable Bass Boost: 0 to +9 dB bass boost
  • Selectable Crossover: Full/HPF/LPF
  • Variable high-pass filter: 60 - 1200 Hz
  • Variable low-pass filter: 30 - 250 Hz
  • Fuse Rating: 10A x 2
  • 8 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.
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
150 watts x 4 channel
RMS Power @ 2 ohms
275 watts x 4 channel
Bridged RMS Power
550 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
150 watts x 4 channel
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275 watts x 4 channel
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550 watts x 2 channel
Amplifier Specifications
Series
Salt Water Series
Number of Channels
4-Channel
Total Peak Power Output
1100 watts
Maximum Input Gauge Size
Any Gauge with use of Spade Terminal AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Speaker Level Inputs
No
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
Bass Boost
0 - 9 dB
Remote bass/level controller
No
Fuse Rating
10A x 2 
Strappable
No
Sonic Certified Amplifier
Not Tested
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SMA1100.4

Weight:

5.80lbs

Internal SKU:

sma11004

Internal Product ID:

94857

Product and How-to Videos


Customer Ratings & Reviews


Autotek SMA1100.4 thumbnail image

5 star
50%
4 star
25%
3 star
0%
2 star
25%
1 star
0%



Durability
4
Value
4.5
Features
4
Design
4.3
Usability
3.8

Customer Reviews

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Poor Power

This amp is extremely underpowered. It only does around 30watts RMS @ 4ohms per channel which is well under what it is rated for. Another thing I dislike about this amp it that all the channel terminals are over one another making it difficult to wire. With all this being said, the amp works but I only recommend it for two channels not four. With two channels only expect to push about 40watts or so per channel to leave some headroom. My advice, save up and buy something better that will actually perform as stated.

By Andrew on March 9, 2017 Checkmark Icon Verified purchase

2 found this helpful


great product

Great amp i use it to run my mids and highs and it does an awesome job

By billy on June 9, 2016

2 found this helpful


Fuckin kick ass 4 channel amp!!!?

I use it power my 4 Alpine door speakers in my 99 Rav4 and it's loud and performs very well. No static no distortion no bullshit.

By Kt on October 14, 2016

1 found this helpful


The price is right

I needed a 4 channel amp to upgrade my system but didn't want to spend a ton of $$ so I purchased the Autotek. One of the main reasons I bought this amp was because it had the preouts that allow me to run another amp for my subs. Not the most powerful amp I have had but for the price, it'll do!

By Smith on October 24, 2016




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