Photo of Soundstream Stealth Amplifier ST4.1000

Don’t let these little monsters fool you. The latest and greatest of class D full range technology allows us to pack 10 lbs of KICK YOUR ASS in a 2 lbs chassis. Once regarded as “dirty power”, class Ds stable performance, thanks to high power capability, maximum efficiencies, and low tolerance components, rivals traditional full range applications. Minimal power requirements, ultra micro footprint, unbelievable sound quality, and  easy install make Stealth amplifiers great for any car, motorcycle, boat, or off-road vehicle…

Stealth series amplifiers include a 500w 4ch model with built-in Bluetooth 4.0. Seamlessly connect your cell phone or other enabled smart device for continuous audio playback at your fingertips. A great addition to off-road vehicles, motorcycles, or personal watercraft missing a source unit.


  • ST2.1000D

    Stealth Series 1,000w Class D 2ch. Amplifier

    RMS Power 4Ω 140 x 2
    RMS Power 2Ω 250 x 2
    RMS Power 4Ω Bridged 500 x 1

  • ST3.1000D

    Stealth Series 1,000w Class D 3ch. Amplifier

    RMS Power 4Ω 65 x 2 + 1 x 200
    RMS Power 2Ω 100 x 2 + 1 x 300
    RMS Power 4Ω Bridged 200 x 1 + 1 x 300

  • ST4.1000D

    Stealth Series 1,000w Class D 4ch. Amplifier

    RMS Power 4Ω 90 x 4
    RMS Power 2Ω 125 x 4
    RMS Power 4Ω Bridged 250 x 2

  • ST4.1000DB

    Stealth Series 1,000w Class D 4ch. Amplifier

    RMS Power 4Ω 90 x 4
    RMS Power 2Ω 125 x 4
    RMS Power 4Ω Bridged 250 x 2

  • ST4.1200D

    Stealth Series 1,200w Class D 4ch. Amplifier

    RMS Power 4Ω 100 x 4
    RMS Power 2Ω 150 x 4
    RMS Power 4Ω Bridged 300 x 2

  • ST1.700D

    Stealth Series 700w Class D Monoblock 1ch. Amplifier

    RMS Power 4Ω 250 x 1
    RMS Power 2Ω 350 x 1
    Remote Gain Control Included

  • ST1.1000D

    Stealth Series 1,000w Class D Monoblock 1ch. Amplifier

    RMS Power 4Ω 350 x 1
    RMS Power 2Ω 500 x 1
    Remote Gain Control Included