in home applications, the composite video signal is typically connected using an rca connector, normally yellow. it is often accompanied with red and white connectors for right and left audio channels respectively. bnc connectors and higher quality coaxial cable are often used in professional television studios and post-production applications. bnc connectors were also used for composite video connections on early home vcrs, often accompanied by either rca connector or a 5-pin din connector for audio. the bnc connector, in turn post dated the pl-259 connector featured on first-generation vcrs.