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Soundstream Stealth ST4.1000D

Compact 4-channel car amplifier — 90 watts RMS x 4 at 4 ohms

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  • Soundstream Stealth ST4.1000D

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  • Soundstream Stealth ST4.1000D

  • Soundstream Stealth ST4.1000D

  • Soundstream Stealth ST4.1000D

  • Soundstream Stealth ST4.1000D

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Item #: 530ST410KD
 

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Our take on the Soundstream Stealth ST4.1000D

by Bob Bihlmayer
Soundstream

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Big sound, small package

If you're in need of an amplifier that takes up liitle space but delivers a big sound, Soundstream's Stealth amplifiers can fill the bill. At 3" wide by 6-1/2" long, the ST4.1000D 4-channel amp will fit just about anywhere, delivering 90 watts per channel to your front and rear speakers, or up to 250 watts per channel in 2-channel mode to your subs. That's a lot of power in a tiny package.

You're in control

The ST4.1000D also features high- and low-level inputs for a variety of applications, and includes high- and low-pass filters to help you tailor your sound. And Soundstream built this amp for the long haul with its MOSFET power supply and military-spec circuit board, surrounded by an aluminum alloy heatsink and guarded by full short-circuit, thermal, and overload protection circuitry.

Highlights:

  • 4-channel car amplifier
  • 90 watts RMS x 4 at 4 ohms (125 watts RMS x 4 at 2 ohms)
  • 250 watts x 2 bridged at 4 ohms
  • variable high- and low-pass filters (35-250 Hz, 12 dB/octave)
  • Class D amp technology
  • MOSFET power supply
  • preamp and speaker-level inputs
  • dimensions: 6-1/2"W x 1.5"H x 3"D
  • fuse rating: 30 amps
  • 10-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • warranty: 1 year
  • Our 60-day money-back guarantee
Preliminary info from the manufacturer
Features and Specs
Performance
RMS Power Output (Watts x Channels)
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90 x 4
Peak Power Output (Watts x Channels)
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---
Power at 2 Ohms (Watts x Channels)
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125 x 4
Bridged Power (Watts x Channels)
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250 x 2
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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20-30000 Hz
THD at Rated RMS Power
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---
Signal to Noise Ratio
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---
Input Voltage
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---
Features
Amplifier Class
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D
Low-Pass Crossover Frequency
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35-250 Hz
Low-Pass Slope (dB/octave)
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12 dB/oct
High-Pass Crossover Frequency
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35-250 Hz
High-Pass Slope (dB/octave)
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12 dB/oct
Bass Boost
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---
Bass Boost Frequency
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---
Fan Cooled
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---
Fuse Rating
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30
Speaker Level Inputs
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Harness
Preamp Outputs
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No
Width (inches)
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6-1/2
Height (inches)
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1-1/2
Depth (inches)
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3
Parts Warranty
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1 year
Labor Warranty
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1 year
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Soundstream Stealth ST4.1000D Reviews

Average Customer Review:

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2 out of 5

Cheaper than I expected

Written By Radio-Upgrade, Round Rock, TX on Friday, June 27, 2014
Crutchfield Customer Review (What's this?)
 
When I unboxed the amp and looked at it, I was disappointed. I thought that the quality looked poor, and I decided not to install the unit.
Was this review helpful?    Yes | No
 

1 question already asked

Can it run 3 channel mode and do half what it says it can? I installed pro for 20yrs, have been out of it sense 03, I can not believe something smaller than .. .... can make that kind of power. [ Kraig  Jul 01, 2014 ]
1 answer
  • We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Krissy Staff  Jul 09, 2014 ]

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For a more in-depth review and enhanced detailed information on the Soundstream Stealth ST4.1000D, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_530ST410KD/Soundstream-Stealth-ST4-1000D.html ).