Like many of the earphones that have been released since V-Moda debuted the original Vibe, iMetal iM-590 uses a combination of aluminum bodied earpieces and silicone rubber tips to provide sturdy but comfortable housings that fit snugly in the ear. What’s a little odd and interesting about iM-590 is that there are four sets of the rubber tips in the package, initially appearing to be a mix of single- and double-flanges—tapered and ribbed…
