ST4.1000DB Amplifier

Stealth Water-Resistant Compact Amplifier
Max Power1,000 Watts
RMS Power 4Ω90W x 4
RMS Power 2Ω125W x 4
RMS Bridged 4Ω250W 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 D’s 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 automatically detect the signal and turn it on and off. (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

Amplifier Dimensions 3″W x 1.5″H x 7.75″L


Stealth ST4.1000DB Manual [PDF]


⚠️ Remote Wire Note:

For remote turn-on wiring, use the orange wire provided on the 6pin harness for the amplifier.