However , S - VHS never became very popular .
In 1987 , a standardized 4 - pin mini-DIN socket was introduced for S - video input with the introduction of S - VHS players , which were the first device produced to use the 4 - pin plugs .
Device     never became very popular .
In 1987 , a standardized 4 - pin mini-DIN socket was introduced for S - video input with the introduction of S - VHS players , which were the first device produced to use the 4 - pin plugs .