100W x 2 at 8 ohms (125W at 4 ohms, 225W bridged at 8 ohms), ideal for larger rooms or outdoor zones, half rack design, buffered line output, 3 modes of operation: always on, auto on (signal sensing) or 12V trigger, removable screw down connectors, 100V to 240V automatic switching power supply, removable cord lock, flexible mounting options including mounting to wall or other flat surface, up to 12 gauge wire, includes complete rack mounting kit to mount either single or link two Amps together, 1U.