Thieaudio
Thieaudio is a China-based brand known for high-fidelity in-ear monitors and headphones.
Last updated October 2, 2026
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Overview
Thieaudio is a brand that produces high-fidelity earphones and headphones. According to its official website, it is located in Shenzhen, China, and was launched in 2019. The brand describes itself as having grown from a nameless group of DIY enthusiasts into an acclaimed IEM brand, with an international team of engineers from China and South Korea. Its product lines include the Tribrid Series, Hype Series, Headphones, Legacy Series, and Voyager Line.
History
Thieaudio describes itself as having started as a nameless group of DIY enthusiasts and grown into an acclaimed IEM brand. The brand was launched in 2019. It is located in Shenzhen, China, and has an international team of engineers from China and South Korea. Its product lines include the Tribrid Series, Hype Series, Headphones, Legacy Series, and Voyager Line.
- 2019
THIEAUDIO is founded, starting as a group of DIY enthusiasts.
Release of Monarch MKII, which was later retuned and refined.
Release of Monarch MKIII, pushing beyond the pinnacle.
Release of Monarch MKIV with tribrid configuration and custom tuning.
Release of Hype 4 hybrid IEM at $399.
Release of Prestige LTD, a 9-driver, 5-way crossover IEM at $1,299.
Release of Cypher open-back dynamic driver headphones at $399.
Products and positioning
High-fidelity audio with best-in-class tunings, superb technical performances, and budget-friendly pricing.
THIEAUDIO Monarch MKIV
Flagship IEM with 2DD + 6BA + 2EST drivers, priced at $1,149.00.
THIEAUDIO Monarch MKIII
In-ear monitor priced at $999.00.
THIEAUDIO Monarch MKII
In-ear monitor priced at $999.00.
THIEAUDIO Oracle MKII
In-ear monitor featuring tribrid speaker technology.
THIEAUDIO Prestige LTD
In-ear monitor with 9 drivers, 3 driver types, and 5-way crossover, priced at $1,299.00.
THIEAUDIO Hype 4
In-ear monitor priced at $399.00.
THIEAUDIO Cypher
Flagship dynamic driver open-back headphones priced at $399.00, featuring a 50mm dynamic driver.
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