Stealth Series Class D 4Ch. Micro Amplifier

Bluetooth A2DP Streaming – Built-In

Max Power 1,000 Watts
RMS Power 4Ω 90W x 4
RMS Power 2Ω 125W x 4
RMS Bridged 4Ω 250W x 2


Don’t let these little monsters fool you. The latest and greatest of Class-D full range technology allows us to pack 10 pounds of KICK YOUR ASS in less than 2-pound 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…

Using an Original or Factory Radio? No Problem, this amplifier is equipped with an Automatic Hi-Level Signal Sensing Turn-On. No need to run a remote wire turn on, this amplifier will detect the signal and turn on and off automatically. (Hi-Level Input only)


Stealth Amplifier Features:

  • High-Efficiency Class D Full-Range Amplifiers
  • Hybrid Aluminum Alloy Heatsink for Optimum Dissipation
  • Built-in Bluetooth for Wireless Smartphone Music Playback
  • 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
  • Pass-Thru Output for Daisy Chain Configuration
  • Variable High Pass, Low Pass, & Subsonic Crossovers
  • Dimensions 3″W x 1.5″H x 7.75″L


Stealth ST4.1000DB Manual [PDF]


Remote Wire Note:

For wiring to remote turn on, use the orange wire which connects to the Remote Out on the amplifier.