network map data and pre-stored messages are used to provide audio-visual messages for passengers. pa/pis system for dmus, emus and trainsets integrated and interactive audio-visual system scalable system to suit train configuration driver hmi interfaced psu controller is linked to driver mic, cab loudspeakers...
from acoustic energy. klipsch heritage the sixes wireless powered speakers all-in-one loudspeakers that need nothing other than a source – and can even be lp. jon myles is impressed. digital fiio m pro hi-resolution player portable hi-res audio players don't come much more sophisticated than this affordable...