Soundstream ST4.1200D
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Soundstream ST4.1200D

Stealth Series 1,200 Watts Max Power Class D 4-Channel Car Amplifier

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Save $20.43 | Reg. Price $140.00

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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 less than 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 Amplifier Features:

  • 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
  • Quick Disconnect RCA/High-Level Wire Harness
  • Quick Disconnect Power and Speaker Output Harness
  • Variable 12dB High Pass, Low Pass, & Subsonic Crossovers


  • RMS Power 4Ω 100 x 4
  • RMS Power 2Ω 150 x 4
  • RMS Power 4Ω Bridged 300 x 2
  • MAX Power 1,200w
  • Dimensions (3”w x 1.5”h) 7.75”
  • UPC: 709483056244
  • Weight: 3.01
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to for replacement within 1 year from the original date of purchase with proper return authorization.
*JL Audio Stealthboxes are custom made, special ordered products and are not returnable after purchase.