In-Ear Monitors have been designed by top IEM engineers in the USA to offer pro-level audio quality - previously only available from custom in-ears - at a much more accessible price. T9 is endowed with two balanced-armature Knowles drivers: one of the industry’s largest and most powerful mid-bass drivers, and a custom-tuned, custom-ported micro tweeter. T9 comes perfectly balanced, with a responsive and detailed sound signature that is not overly hyped or colored, so audiophiles will enjoy a fulfilling listening experience. T9 is an invaluable tool for performing live musicians, and also perfectly suited to in-studio tracking and mixing - but perhaps most importantly, these hi-tech earbuds make the experience of listening to music fun and rewarding for absolutely anyone!