... Power. Signal.Protect and Clip.- Full protections on each panel automatically protects amplifiers, such as DC,thermal,overload,Limit ... twist lock speakon connectors for outputs- Slide switch on rear panel for Stereo and Bridge mode selection-MDA2800/MDA1200 ... ,1 Protect)Power switch Front panel Push On/Push Off mains power switchBridge/Stereo switch Rear panel slide switchInput Connectors Balanced ...