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Autotek SM4-1000

1000W Max, 4-Channel Street Machines Series Car Amplifier

3.0

(1 review)

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The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails
General Features:
  • Street Machine AT 4-Channel Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 125 watts x 4 chan.
    • 2 ohms: 250 watts x 4 chan.
    • Bridged, 4 ohms: 500 watts x 2 chan.
  • Max power output: 1000 watts
  • Twin coil MOSFET auto step power supply
  • LED power and protect indicators
  • Bass Boost/EQ (0-12 dB bass boost at 45 Hz)
  • 4/3/2 channel operation
  • Speaker-level inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs
  • Pro-Fi MOSFET outputs
  • 4-Way System Protection circuitry (DC, thermal, overload, and speaker short protection)
  • Soft start turn-on
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Variable high-pass filter (60-1,200 Hz, 12 dB/octave)
  • Variable low-pass filter (30-250 Hz, 24 dB/octave)
  • Damping Factor: >180
  • Frequency response: 30-1200 Hz
  • Dimensions: 15"L x 9-7/16"W x 2-5/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohmsN/A
RMS Power @ 2 ohmsN/A
RMS Power @ 1 ohmN/A
Bridged RMS PowerN/A
Peak Power Output250 watts x 4 channels
Amplifier Specifications
Amplifier ClassAB
Number of Channels4
Total Peak Power Output1000 watts
Total RMS Power OutputN/A
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.05%
Speaker Level InputsYes - with included adapter
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency60 - 1,200 Hz
Low-Pass Crossover Frequency30 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio90 dB
Channel Separation80 dB
Bass Boost0 - 12 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating25A x 2 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for Autotek SM4-1000
Average Customer Rating is 3.0 out of 5 stars:
3.0
based on 1 Reviews
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Rating Distribution:
5 star:
.
0%
4 star:
.
0%
3 star:
.
100%
2 star:
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0%
1 star:
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0%
what's this?
Average Attributes Rating:
Durability
1.0
Value
2.0
Features
4.0
Design
4.0
Usability
4.0
what's this?
Most Helpful Customer Reviews:
December 16, 2009 decent amp
Review by
STALLION from New Orleans LA
Overall
Durability
Value
Features
Design
Usability
ive had this amp for about 5 months powering 2 sets of infinity kappa perfect 6.5 component speakers and this amp blew... all the channels fried amp is pretty good unless your speakers are power hungry like the infinitys or the kickers
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Speaker Wire
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RCA Interconnects
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16.4 ft. of 4-Channel RCA Cable with hyper twist construction, oxygen free copper, and precision machined tips.		$49.99
Capacitors
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Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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AutoSound 2000 CD-104AutoSound 2000 CD-104
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High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.		$12.99
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Product Summary

Manufacturer: Autotek
Model number: SM4-1000
UPC: 806576215608
Weight: 9.00 lbs
Internal SKU: sm41000
Internal product ID: 18719

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Customer Testimonial

Fast shipping and great prices. It takes a little while to get a customer service rep when you need one, but the prices and quality overall is very good. However, I hope they don't skimp on customer service in the future cause that is a big deal do me.

- hcarba from Houston,TX

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