The Navilution NEXT Portable AC/DC System is a GPS triggered commentary system with up to 16 channels for simultaneous delivery of audio to passengers in different languages and topics. It comes in a portable case that makes it simple and fast to set up in a vehicle or vessel on demand. It can be operated on 110/220VAC or 12/24VDC. This NEXT system includes 16 RCA phono outputs that can be connected to the inputs of RF transmitters available from various manufacturers. Passengers use RF receivers to listen one of the 16 channels and adjust volume. The system includes a display control panel and external GPS antenna/receiver for reliable GPS triggering. Route planning, GPS triggers and tour development is simple and easy using Navilution Cortex, a proprietary cloud-based software tool. For audio tour development, there is basic, advanced and creative tour development training and Listen tour development partners that can help in the development of your audio tour. The system also supports video delivery to an onboard monitor to enhance passenger experience and can be used for ASL.