Discover true flagship performance with the THIEAUDIO Monarch MK4, an In-Ear Monitor designed for true audiophiles who demand both accuracy and power. This innovative IEM boasts a 10-Driver Tribrid setup consisting of 2 advanced Dynamic Drivers (in the IMPACT2 Dual Isobaric Subwoofer system), 6 Balanced Armature drivers, and 2 ultra-high frequency Electrostatic Drivers. The result is uncompromising sound with deep yet thunderous bass, transparent and detailed mids, as well as airy and extended highs for a lifelike listening experience. Switch seamlessly between STANDARD mode for a studio-accurate or reference-grade sound, and RUMBLE mode for boosted sub-bass and a more immersive, powerful presentation. The Monarch MK4 features a durable and lightweight shell made from Aircraft-Grade Aluminum and comes with two elegant faceplate options namely “Stellashot” and “Kaleidoglow” to suit your personal style. The modular OFC silver-plated cable supports both 4.4mm balanced and 3.5mm single-ended connections, maximizing compatibility. An expansive soundstage, ergonomic design, and premium accessories make the Monarch MK4 a perfect partner for both professional and passionate music listening.