From Eminent Ears website :-
Eminent Ears Ruby
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The RUBY features a 10mm dynamic driver responsible for handling low frequencies. This new generation 10mm full-range driver, combined with our unique tuning techniques, delivers distinctive bass performance, making the low frequencies more dynamic and impactful. The vocals are natural and warm, with rich and delicate details. The 10mm dynamic driver’s larger diaphragm also...Clik here to view.
Eminent Ears Ruby
