Westone UM3X RC In-Ear Monitors
What the retailer says:
"The Westone UM3X RC is the ultimate universal-fit musicians' monitor, perfect for the on-stage performer. The handcrafted monitors feature a three-way crossover, matched to individual low, mid and high frequency drivers making your mix smooth and balanced across all frequencies. The UM3X superior build quality and sound signature specifically tuned for performing artists is unmatched by any other universal-fit product."