Metal has recently become the go-to material for premium earphones, and like V-Moda?s $100 Vibe Duo and Maximo?s $70 iP-HS2, Super.fi 4vi?s earpieces are made entirely from metal?here, machined aluminum that?s been dual-finished with a matte body and a polished barrel. Just like V-Moda, Ultimate Ears has positioned its non-detachable cables on an ear-friendly 45-degree angle rather than sticking them straight out or down,?