The RSM custom in ear monitor is a four-driver, three-way design with 2 woofers, 1 mid-range, and 1 tweeter. It has the power and presence to handle any stage, and the clarity and detail to enjoy while on the bus, plane or easy chair.
elago E7 ARMATURE In-Ear Noise-Reducing Earphones (Compatible iPhone 4, 1G/3GS; Control-Talk with Built In Microphone)
elago E7 ARMATURE In-Ear Earphones, Enjoy the deep bass and high definition sound quality that is pure elago, E7 Control - talk has a built in. feature for use with music phones and newer iPhone. The control talk cable has a call answer button and microphone so you can easily switch between listening to music asn talking on your iPhone.