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A flagship 19-driver BA IEM offering subwoofer-level bass, warm midrange, and smooth, extended treble—all housed in lightweight titanium with audio-grade cabling.
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The Monarch MKIV is the latest evolution in Thieaudio’s Signature Series, now featuring a tuning switch that lets users toggle between two distinct sound profiles:
STANDARD mode offers a studio-neutral tuning with clean mids and refined treble.
RUMBLE mode adds +3dB sub-bass for a warmer, more powerful low-end response.
It sports a lightweight T6 aluminum shell, an advanced 4-way crossover system with 9 passive components, and the upgraded IMPACT2 isobaric dual-subwoofer setup for tight, impactful bass. Treble is handled with precision thanks to improved EST driver integration for smoother and more extended highs.
The MKIV also introduces the new Chocolate modular cable system, offering both 4.4mm balanced and 3.5mm unbalanced terminations with silver-plated OFC wires.
A versatile flagship IEM combining technical excellence with customizable tuning.
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A powerful flagship 9‑driver tribrid IEM delivering impactful sub‑bass, detailed mids, and airy treble. Encased in mirror‑finished 904L stainless steel with DLC coating and equipped with a modular premium cable—built for both refinement and performance.
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The Sennheiser IE 900 is a high-end, handcrafted in-ear monitor offering exceptional sound clarity, deep bass, and an expansive soundstage. It features premium build quality with aluminum housings and integrates advanced technologies like a refined XWB driver and a triple-chamber absorber system to preserve fine sound details and spatial realism. Designed for audiophile listening on the go, it's ideal for use with portable DACs on laptops or phones.
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The 64 Audio U12/A12 is a high-end in-ear monitor featuring 12 balanced armature drivers with a 3-way crossover and ADEL technology, which helps relieve inner ear pressure and reduce the risk of hearing damage. It delivers a rich, spacious sound signature with deep, controlled bass, smooth mids, and airy treble.
Available in both universal (U12) and custom-fit (A12) versions, it combines excellent ergonomics with premium build quality. While the universal model offers convenience and comfort, the custom version allows for full visual and fit customization. Both versions prioritize not only top-tier sound but also long-term ear health.