Unlike other similar breakout boards, two pads are provided to enable you to solder the speakers wires from a DCC sound decoder to the adaptor, so the decoder can link through to any speakers solders to the model's PCB.
DCC MTC 21-pin (female) to 21 wire breakout adaptor PCB. New UK Stock / Seller
BACHMANN OO GAUGE DIESEL LOCOMOTIVE CLASS 66 050 EWS MAROON 21PIN DCC READY READ
Bachmann Class 45 45053 32-677 BR Blue Split Headcode 21Pin DCC Ready Lights