SKU: 1706 Universal speaker housing for the TCS 28mm round speaker (included). This simple, closed design channels both the front and rear audio out the front of the speaker housing. This housing should only be used in models with a closed upper shell, such as ones with solid fan housings, exhaust stacks, etc. etc.
Train Control Systems (TCS) 1706 WOW Speaker UNIV-SH2-C
