@FJI posted:I love running a long string of Lionel’s 86 ft box cars on our club’s layout I really wish Lionel would offer some 86 ft box cars with sound The existing sound cars just look so small riding in between the 86 ft cars The cars could even have two speakers
Just take the guts out of the PS-1 and add them to one of the 86's...don't forget to switch out the truck with the sensor on it as well. As far as adding an additional speaker, that would require knowledge of the current speaker impedance, etc...
Anthony