Features at a glance for the WOW501: 

• Up to 5amps total power for lights and motor
• Two separate audio outputs to independently drive two 8 ohm speakers
• True CD quality audio that only TCS provides
• Built in Keep Alive®
• Built in 12volt voltage regulator for consistent voltage output for lighting circuits
• Screw terminals for easy hook up
• Thermal overload protection built in
• Audio Assist eliminates CV programming
• Supports smoke units with synchronized exhaust for diesel and synchronized chuff for steam