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Autotek SM4-1000

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

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Street Machine AT 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 500 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost

Learn more about the sm41000

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Street Machine AT 4-Channel Class A/B Car Amplifier • 1000 Watts Max • 500 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost

Description


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General Features:
  • Street Machine AT 4-Channel Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 125 watts x 4 chan.
    • 2 ohm: 250 watts x 4 chan.
    • Bridged, 4 ohm: 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

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Specifications & Details


Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
1000 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.05%
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
60 - 1,200 Hz
Low-Pass Crossover Frequency
30 - 250 Hz
Signal-to-Noise Ratio
90 dB
Channel Separation
80 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SM4-1000

Weight:

9.00lbs

Internal SKU:

sm41000

Internal Product ID:

18719

Product and How-to Videos


Customer Ratings & Reviews


Autotek SM4-1000 thumbnail image

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



Durability
1
Value
2
Features
4
Design
4
Usability
4

Customer Reviews

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decent amp

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

By STALLION on December 16, 2009

12 found this helpful



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