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Autotek SM4-800

800W Max, 4-Channel Street Machines Series Car Amplifier

5.0

(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
  • Dynamic (Max) Power Rating:
    • 4 ohms: 100 watts x 4 chan.
    • 2 ohms: 200 watts x 4 chan.
    • Bridged, 4 ohms: 400 watts x 2 chan.
  • Max power output: 800 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: 13-7/16"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 Output400 watts x 2 channels
Amplifier Specifications
Amplifier ClassAB
Number of Channels4
Total Peak Power Output800 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 Rating15A x 2 
CEA-2006 CompliantYes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for Autotek SM4-800
Average Customer Rating is 5.0 out of 5 stars:
5.0
based on 1 Reviews
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Rating Distribution:
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what's this?
Average Attributes Rating:
Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
what's this?
Most Helpful Customer Reviews:
April 29, 2010 Good transaction
Review by
Mikey from Tyler, Tx
Overall
Durability
Value
Features
Design
Usability
The product came in the box, with no flaws, just how it should be. Fast shipping, great transaction
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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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Product Summary

Manufacturer: Autotek
Model number: SM4-800
UPC: 806576215615
Weight: 9.00 lbs
Internal SKU: sm4800
Internal product ID: 18718

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Customer Testimonial

Having always ordered from another very large online store I decided to take a chance here. I was completely surprised at the speed of the shipping and the timely emails I received to ensure I was up to date with my order. Because of the great prices and fast shipping I will be ordering from now on.

- Soledad from Anywhere USA

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