1MORE QUAD DRIVER IN-EAR HEADPHONESWorld's First THX® Certified HeadphonesFOUR DRIVERS- Diamond-like carbon dynamic driver (like mini speakers) + 3 balanced armatures (like mini tweeters) deliver unsurpassed dynamic power and definition.METICULOUS DESIGN- Streamlined aluminum sound chamber with perfected ergonomics ensures exceptional comfort and noise isolation.INTELLIGENT CONTROLS WITH MICROPHONE- Compatible with Apple® and Android™ devices, you can control volume, change tracks, and make crystal clear calls.TUNED TO PERFECTION- Expertly tuned by Grammy® winning sound engineer Luca Bignardi for a fully balanced and ultra-realistic soundstage.DELUXE ACCESSORIES- Luxurious Gift Box, Leather Traveling Case, 9 Ear Tip Sizes, ¼” and Airline Adaptors, Matching Shirt Clip.FOUR DRIVERS.FOCUSED CLARITY.Having FOUR drivers is equivalent to having FOUR speakers in each ear exclusively dedicated to silky highs, detailed mids, and deep bass. Every nuance comes alive like hearing your favorite music for the first time.Dual Intelligent Controls. Crystal Clear Calls. Compatible w/ Apple® and Android™.A built-in chip automatically identifies your smartphone, tablet, or computer’s operating system allowing you to make calls, control volume, and adjust tracks. A superior MEMS microphone delivers exceptional talk quality.PERFECTED ERGONOMICS45° oblique angled ear fittings naturally match your ear canals ensuring a secure fit, proper noise isolation, and an intimate sound stage.BREAK THE SOUND BARRIERStreamlined aluminum sound chambers with tungsten textured accents flow like a jet engine yet are designed for premium comfort and sonic spaciousness while eliminating ear fatigue.IT’S ALL IN THE DETAILSWith a high frequency range that extends to 40,000 Hz music takes life with transience, an acoustic quality that creates a soulful sense of realism. From a singer's breath to the shimmer of a cymbal, you will hear musical elements you’ve never heard before.BUILT FOR TRAVEL.BUILT TO LAST.Tangle resistant and tough, our Kevlar core cable is extremely durable while oxygen-free copper ensures pristine audio.