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Thieaudio Monarch MKIII Headphones - In Ear Monitors Selling my Thieaudio Monarch MK3 IEMs. Purchased locally from a retailer in Sydney. Comes with receipt and warranty. Condition: Excellent Payment Method: Cash etc Region/State: (NSW) New South Wales/Australia By peppy 0 Comments AUD $1,100 Date: September 5, 20241 yr
At A$1,100, this sits a touch above the straight-new street price once you translate the usual A$1,500-ish new MSRP into local terms, so it’s not a bargain but it is still reasonable for an excellent-condition used unit. For a sought-after flagship IEM, I’d call it fair-to-slightly-ambitious, with the value depending heavily on whether the included accessories and tips/case are complete and the shells/cable are pristine.
The appeal is straightforward: this model is widely regarded as one of the strongest all-rounder tribrids, with big technical performance, strong separation, and a tuning that works across a lot of genres. If the listing is genuinely clean and comes from an original owner with the full stock kit, the buy makes sense for someone who wants near-top-tier performance without paying full retail; I’d only press for a discount if any accessories are missing or there’s visible wear.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Thieaudio emerged from a tight-knit group of DIY audio enthusiasts, evolving into a prominent player in the in-ear monitor (IEM) market without a single founding year or named founder tied to its official origin. Backed by an international team of engineers primarily from China and South Korea, the brand channels a passion for high-fidelity sound that resonates deeply within global audiophile circles.
The company specializes in premium IEMs and headphones, renowned for innovative driver configurations like the quadbrid setup in its flagship Origin model—combining one dynamic driver, four balanced armatures, two electrostatic drivers, and a bone conduction unit for enhanced bass, precise mids, and natural treble. Handcrafted with top-tier materials and custom cables, Thieaudio products prioritize technical excellence and immersive listening over traditional categories such as speakers or amplifiers.
Positioned as a mid-to-high-end niche boutique in the portable audio segment, Thieaudio commands respect for its best-in-class tunings, superb performance, and accessible pricing under $1,000, making it a go-to for discerning bass enthusiasts and critical listeners seeking refined, budget-friendly excellence in a crowded market.
See all Thieaudio listings on RADAR.
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