J.R. introduces this audio version of our live-streamed show, Crutchfield Live, which you can watch on YouTube and Facebook. He talks with Mark of Car Audio Fabrications (https://www.youtube.com/channel/UC4FiN46mPTtkJxzRXJY21lQ), a YouTube channel devoted to making the car audio gear we sell look and sound great in all sorts of vehicles. Be sure to check out the Crutchfield Live episode with Mark (https://youtu.be/VaeYWaGOz6Y) to see the custom builds that he talks about in the episode!