Vintage Radio Shack Stereo Remote Speaker Switch Cat No‎ 40-125B NOS B-Z

This is a vintage Radio Shack stereo remote speaker switch, model 40-125B, cat. no. 40-125B. It is a non-modified, non-custom bundle item made in Taiwan. The brand is Radio Shack and it falls under the category of consumer electronics, vintage electronics, and other vintage audio & video.