The Ultimate Ears 18 Pro offers the best acoustic experience from 6 proprietary balanced armatures. The sophisticated 4 passive crossover points direct sound with precision; 2 balanced armatures handle low-end frequencies, 1 balanced armature handles the low-mids, 1 balanced armature handles the high-mids, and 2 balanced armatures are dedicated for the high octaves. Our patented triple bore sound channels keep the lows, mids and highs separate until they interact with your eardrum.._x000D_
The Ultimate Ears 18 Pro Custom In-Ear Monitors are compatible with all wireless transmission systems and portable media devices._x000D_
The Ultimate Ears 18 Pro Custom In-Ear Monitors provide -26 dB of isolation and passive noise cancellation._x000D_
Tool for easy cleaning_x000D_
Engraved Carrying Case_x000D_
Personally engraved black metallic carrying case that protects your Custom In-Ear Monitors.