(Introduction) It seems like as of now, custom in ear monitors or CIEMs for short are all the rage and being intrigued by them, I decided to give them a go. To those who are unfamiliar with CIEMs, they are essentially earphones that are made in the shape of your ears after you send the CIEM company a molding of your ear (usually made by an audiologist). I see many different CIEMs available on the market and the M Fidelity SA-43 isn't the creme da la crop, and at its competitive prices of $1199 (w/o Add-ons), I didn't expect it to be, but it's very...