The X Series Stealth PA-1 is a high performance balanced Class-D monoblock power amplifier. The PA-1 combines compact size high efficiency and excellent sound quality in a single convenient package. The Stealth PA-1 is the ideal solution anywhere a small great sounding monoblock power amplifier is needed. Use one to power a centre channel speaker use a full set to power your entire home theater system or use several of them to add extra channels to your current audio system.  Each PA-1 delivers 140 watts RMS into 8 Ohms or 300 watts RMS into 4 Ohms. They are cool running and only require minimal ventilation. Because its so small the PA-1 monoblock fits conveniently on any shelf and rack mount kits are available to mount a single PA-1 or a pair of them side by side in a single 1U rack space. Not only does the Stealth PA-1 sound great but its also simple to configure and use. The PA-1 runs on any line voltage between 100 VAC and 264 VAC accepts a balanced input using either an XLR or balanced 1/4\" connector and can be configured to remain on continuously or to automatically switch itself on when it detects an incoming audio signal. Comprehensive protection circuitry protects the PA-1 from a variety of faults without intruding on the quality of your music during normal operation and automatically resets itself once the fault is removed.