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Autotek SMA1500.4

1500W 4-Channel Street Machine (SMA) Series Class AB Amplifier

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• Max: 185W x 4 @ 4 ohm, 375W x 4 @ 2 ohm , Bridged 750W x 2 @ 4 ohm
• Total Peak Power: 1500W
• 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 sma15004

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Product Highlights


• Max: 185W x 4 @ 4 ohm, 375W x 4 @ 2 ohm , Bridged 750W x 2 @ 4 ohm
• Total Peak Power: 1500W
• 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 Class AB Amplifier
  • Max Power Rating:
    • 4 ohm: 185 watts x 4 chan.
    • 2 ohm: 375 watts x 4 chan.
    • Bridged, 4 ohm: 750 watts x 2 chan.
  • Max power output: 1500W
  • 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: 20A x 2
  • 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.
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
185 watts x 4 channel
RMS Power @ 2 ohms
375 watts x 4 channel
Bridged RMS Power
750 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
185 watts x 4 channel
Peak Power @ 2 ohms
375 watts x 4 channel
Bridged Peak/Max Power
750 watts x 2 channel
Amplifier Specifications
Series
Salt Water Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
1500 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
20A 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:

SMA1500.4

Weight:

5.00lbs

Internal SKU:

sma15004

Internal Product ID:

94860

Product and How-to Videos


Customer Ratings & Reviews


Autotek SMA1500.4 thumbnail image

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



Durability
5
Value
5
Features
4.8
Design
5
Usability
4.8

Customer Reviews

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Wow Just Wow

Hooked it up and dang it was loud and proud. Clear sound at all volume's no distortion. Highly recommend this amp it truly surprised me and the price is insane for what you're getting.

By Calvin on January 29, 2017 Checkmark Icon Verified purchase

1 found this helpful


Great little amp

Very powerful little amp with good clean power, stays cool and build very solid.. wouldn't say it quite makes as much power as it claims but is atleast %80-90 of what they say, and for the price I would recommend it to everyone. Autotek is owned by maxxsonics which has always made great products and is well worth saving the money over an over priced amp with the same output.

By Brian on February 8, 2016

1 found this helpful


very nice amp

i don't know alot about car amps but i do know alot about what sounds good. all i can say is that this amp made my 6 speaker system sound great. i'm not the type of guy that want everyone to hear me coming 6 blocks away so i cant speak on subs and so forth but if you want a nice clean sound from you aftermarket speakers go with this amp. i have jbl 938's in the rear deck and jbl 638's along with jbl tweeters in the front. my system sounds so clean and crisp, no distortion of any kind. i set the amp at half way on the high pass filter and half on the overall volume and did a couple of adjustments on my aftermarket headunit (pioneer fh820) and it was a wrap. the install did take me a while but that's because i never did it before. the hardest part in installing an amp is running all of the speaker wires, very time consuming. i know that there are other name brands but i chose this amp because a guy at a local car audio shop recommended this amp but he wanted like 120 for it. (crazy) the imaging of sound is great as well you cant really tell were the music is coming from its a really full sound and the bass is really clean and has a nice solid thump. i didnt understand before when people told me to add a amp to my system and you would be amazed at the difference and sound and they were right. it's like night and day. buy the amp BUT MAKE SURE YOU DO YOUR RESEARCH ON HOW TO INSTALL AND GROUND IT PROPERLY (YOUTUBE WAS MY BEST FRIEND)

By Z on December 28, 2015

1 found this helpful


Autotek

Awesome value and awesome amp. I use this to push mids and highs in my tahoe. This does that job great. Power is clean and clear which I am after great sound more than volume. This amp does both its LOUD and musical detail is so much better than with the jvc head unit alone. This also sounds so much better than the chevy tahoe factory amps.

By Jc on September 7, 2016




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