Memphis MCXA1 1" Aluminum Dome M-Class Series Tweeters & Crossovers

Hey, I'm JR, training manager here at  Crutchfield, and this is the Memphis Audio   M Series of car speakers. There's a whole bunch  of sizes to choose from; we're going to get into   the details here in just a minute. Let's go  over the sizes first. We've got the MS42,   it's a four-inch; there's also a four-by-six, those  are both two-way or coaxial speakers. There's a   bunch that are convertible where you can remove  the tweeter so you can have the tweeter in the   speaker or out of the speaker. Those are available  in the MS52, it's a five-and-a-quarter. MS62 is a   six-and-a-half. The MD60 is actually an oversized  six-and-a-half to fit some cars that have a larger   opening. The MS57 and the MS69 are your oval-  shaped speakers; five-by-sevens and six-by-nines.   All of those have convertible tweeters. Then  there's the MS60C, which is a dedicated component   system. That tweeter