Sentence 1: A typical party light organ of the 1970s had three spotlights , red , green and blue , for sounds in bass , medium frequency and high frequency .
Sentence 2: A typical party light organ of the 1970s had three emitters , red , green and blue , for sounds in bass , medium frequency and high frequency .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?