These Track Master frames are factory frames which have been precision machined to accommodate the new MRC DCC with Sound decoder with speaker (MRC part number 0001636).
Click here to read Model Railroader’s product review “MRC + Aztec = DCC sound for N scale” by David Popp.
For installation follow the manufacturer’s instructions that are included with your decoder board. Click here for the PDF version of these instructions.
Click here to see Jim Reising’s sound installation in an Atlas GP40 Plug and Play locomotive..
If you don’t want to “do-it-yourself”, please see our list of DCC installers.
It’s easy to place your order. Just send us your stripped down stock frame(s), along with payment, and we will send back Track Master DCC-ready frame(s), usually within 48 hours.