Soundstream SM4.1000D, amplifier

D-class amplifier. Efficiency over 95%. Very small dimensions, suitable for installation in ships, motorcycles, quad bikes and other equipment. Made in Korea with quality components. Connection cables included.

• Maximum power: 2 x 250W.
• Frequency band: 10-25.000Hz.
• Channels: 2.
• Impedance: 2/4 ohms.

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…

• Hybrid Aluminum Alloy Heatsink for Optimum Dissipation
• 2-ohm Stereo & 4-ohm Bridged Full Range Operation
• 2-ohm Minimum Impedance Monoblock 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

SPECIFICATIONS