Soundstream ST4.1000D Stealth Series 1000W Class D 4 Channel Car Audio Amplifier
Soundstream ST4.1000D Stealth Series 1000W Class D 4 Channel Car Audio Amplifier
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Soundstream

Soundstream ST4.1000D Stealth Series 1000W Class D 4 Channel Car Audio Amplifier

|10 ratings

Key item features

  • Potent Power: This Class D 4-channel car amplifier offers 1,000 Watts max power, delivering 90W x 4 RMS at 4Ω and 125W x 4 RMS at 2Ω.
  • Efficient Design: Utilizes high-efficiency Class D full-range amplification and a MOSFET power supply featuring audiophile-grade IRTM transistors.
  • Robust Construction: Built with a hybrid aluminum alloy heatsink for optimum heat dissipation and a military-grade SMT PCB for dynamic performance.
  • Integrated Protection: Features direct short, thermal, and overload circuits designed to actively protect the amplifier during operation.
  • Flexible Connectivity: Provides 200mV-12V high-level or low-level RCA input, along with automatic turn-on hi-level signal sensing.
  • Convenient Hookup: Equipped with quick disconnect RCA/high-level wire, power, and speaker output harnesses for streamlined installation.
  • Custom Crossovers: Offers variable 12dB high pass, low pass, and subsonic crossovers, enabling precise audio tuning.
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Specs

Brand, SoundstreamRms power rating, 1000 WChannels, 4Impedance, 4 ohmFeatures, Built In AmplifierPeak audio power handling, 1000 W

About this item

Product details


  • Max Power: 1,000 Watts
  • RMS Power 4Ω: 90W x 4
  • RMS Power 2Ω: 125W x 4
  • RMS Bridged 4Ω: 250W x 2
  • High-Efficiency Class D Full-Range Amplifiers
  • Hybrid Aluminum Alloy Heatsink for Optimum Dissipation
  • 2-ohm Stereo & 4-ohm Bridged Full-Range Operation
  • MOSFET Power Supply w/ Audiophile Grade IRTM Transistors
  • Military Grade SMT PCB Maintains Dynamic Performance
  • Direct Short, Thermal, & Overload Circuits Protect Amplifier
  • 200mV-12V High Level or Low-Level RCA Input
  • Automatic Turn-On Hi-Level Signal Sensing
  • Quick Disconnect RCA/High-Level Wire Harness
  • Quick Disconnect Power and Speaker Output Harness
  • Variable 12dB High Pass, Low Pass, & Subsonic Crossovers
  • Amplifier Dimensions 3″W x 1.5″H x 6.5″W

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Specifications

Brand

Soundstream

Rms power rating

1000 W

Channels

4

Impedance

4 ohm

Warranty

Warranty information

1 year warranty

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Customer ratings & reviews

4.8 out of 5 stars
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10 ratings5 reviews
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  1. 5 stars80% (8)
  2. 4 stars20% (2)
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Showing 1-3 of 5 reviews

Jan 26, 2026
Reviewer name: Bryan
Sold and shipped byepsilonelectronics
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great price point, works well.

Helpful?12CECYM4O0IJ55205284
Dec 4, 2025
Reviewer name: cedric
Sold and shipped byhzdealz
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Bass sounds great with this amplifier

Helpful?12CECYM4O0IJ55205284
Oct 27, 2026
Reviewer name: Antonio
Sold and shipped byINSANE BASS
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Bang for the buck!

this lil amp worked perfect in my 2012 road glide! took up very lil room in my fairing and delivers plenty power to my sinister sound speaker pods! awesome for how small it is!

Incentivized Review
Helpful?12CECYM4O0IJ55205284
Current price is Now $100.94
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was $141.19
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Sold and shipped by epsilonelectronics
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