Ultimate Ears, a leading manufacturer of in-ear-monitors for professional musicians has announced to roll out the iPhone-compatible SUPER.Fi 4vi. It is the first voice-integrated product from Ultimate Ears. The SUPER.Fi 4vi features voice functionality and it works through the iPhone headphone jack. The headphones provide warmth of the audio signature that result in the fullest sound. Hence it offers an exceptional listening experience, claims Ultimate Ears. Additionally, the new headphones have a light-weight aluminum body.“The SUPER.Fi 4vi is an ideal upgrade for iPhone users,” said Mindy Harvey, president and founder of Ultimate Ears. “This cutting-edge mobile phone deserves the best earphones on the market. We are thrilled to release a premium product for chic, trend-setting iPhone users.”