Get the weekly hi-fi digest — new gear, best reads, and deals.
Thieaudio is an innovative Chinese in-ear monitor manufacturer founded in 2019 in Shenzhen as a creative endeavor and house brand of Linsoul Audio, one of the largest audio retailers globally, evolving from a nameless group of DIY audio enthusiasts into a globally acclaimed IEM brand that has forever changed the world of in-ear monitors and influenced how global earphone manufacturers engineer their products. Led by an international team of dedicated engineers from China and South Korea operating from dual offices in Chengdu and Shenzhen, Thieaudio has positioned itself as the 'Robin Hood of the audio world' with a mission to bring the best sounding audio solutions at the most affordable prices, democratizing high-fidelity sound for music enthusiasts and audiophiles worldwide. The company specializes in cutting-edge driver technologies including tribrid configurations that combine dynamic drivers, balanced armature drivers, and electrostatic drivers, with flagship models featuring up to 19 drivers and innovative technologies like the '3-Dimensional Velocity Transducer' and beryllium-coated carbon nanotube sheets that push the boundaries of personal audio performance. Thieaudio's comprehensive product portfolio spans three main series: the Voyager multi-BA IEMs, Legacy hybrid IEMs, and Tri-Brid IEMs featuring dynamic driver plus balanced armature plus Sonion EST configurations, with notable models including the acclaimed Monarch series that established the brand's reputation, the innovative Origin featuring bone conduction drivers in a quadbrid DD/BCD/BA/EST configuration, and the bass-focused Hype 4 with dual dynamic drivers and ruler-flat midrange response. Since its 2019 launch, Thieaudio has earned recognition for delivering best-in-class tunings, superb technical performances, and budget-friendly pricing that challenges much larger Western brands with decades of experience, building its status to compete with established companies while maintaining its core philosophy of audio quality excellence. The company operates with a customer-focused approach that includes high-quality product testing, expert tuning, affordable pricing strategies, worldwide shipping capabilities, and comprehensive 1-year warranty coverage for all IEMs and headphones, establishing Thieaudio as a significant force in the competitive in-ear monitor market. With operations spanning from Shenzhen manufacturing to global distribution through Linsoul's established retail network, Thieaudio continues expanding its innovative driver technologies and product offerings while maintaining its commitment to making high-performance audio accessible to enthusiasts who demand exceptional sound quality without premium price barriers.