The power output is 55W on VHF and 50W on UHF (55W / 50W, 25W, 5W is selectable). The ASP module (SPU-1) can be installed at a later date updating the radio to the full ASP version. The front speaker, in combination with the main body speaker, provides a total of 6W high quality audio (3W: front Sspeaker / 3W: main body speaker).