One of five different headphones made by SMS Audio in collaboration with rapper 50 Cent, the Street by 50 Active Noise Control Wired Headphones ($280) are towards the higher end of the lineup. They're large over-ear headphones, made mostly of glossy plastic, and they come in black or silver. The cups are lined with leather, and stuffed with memory foam. An internal battery powers the active noise canceling feature, and recharges over micro-USB. On…