Turn your Navigo into a Head Unit - Playing Music and Navigating
Your Navigo, Navigo V2 or V3
Jack To Jack Plug
Cheap Amp From Hong Kong
Wire the amp to a 12v supply, this can be difficult (seek advice from friends and google to find out how to do this). Do Not Connect to Battery
Connect the one end of the Jack to Jack Plug to the speaker outlet on your Navigo and the other end to the mp3 in on the amp.
Then connect your speakers to your amp.
Click To Enlarge