THIEAUDIO THIEAUDIO Legacy 2
The THIEAUDIO Legacy 2 delivers a musical, fatigue-free listen, pairing weighty controlled bass with clear vocals, smooth treble and lively macro-dynamics. PortaFi found its coherent, easygoing tuning especially rewarding for long sessions, while the comfortable shells, generous tip selection and tidy finish make this hybrid IEM a standout everyday performer.
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Nicely Roasted
Sound Quality
84/100
Fit Comfort Isolation
85/100
Build Accessories
88/100
Value for Money
90/100
Pros
Weighty, textured bass stays controlled and avoids crowding the midrange.
Clear, solid vocals and smooth treble support an enjoyable, non-fatiguing long-session sound.
Comfortable fit, six pairs of silicone tips and neat construction offer strong value at its price.
Cons
Microdetail, treble extension and overtone layering are modest rather than analytical.
Passive isolation is only average for noisy commuting environments.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 84/100
The Legacy 2 is described as a smooth, enjoyable and broadly balanced listen built for comfortable long sessions rather than analytical intensity. Its weighted bass and convincing macro-dynamics give music welcome substance, while detail, treble refinement and stage scale remain more modest.
Bass
87/100
PortaFi found the bass moderately emphasized, weighty and able to reach respectably deep without becoming excessive. Texture and control are considered good for the $100 class, with little encroachment into the midrange; it is not tuned for an especially dry or ultra-fast attack.
Midrange
84/100
Lower-mid instruments and male vocals have added solidity, while vocals in general are said to come through clearly and attractively. Resolution is good, but the reviewer notes that the Legacy 2 does not prioritize micro-contrast.
Treble
82/100
Treble is presented as comfortable without sounding suppressed, retaining the essential high-frequency information. The reviewer also hears limited overtone richness, layering and extension, so it favors ease over exceptional air or refinement.
Resolution Separation
80/100
The review calls overall resolution respectable and notes good instrument separation. Fine low-level contrast is a stated limitation, however, keeping it from sounding especially incisive or highly analytical.
Soundstage Imaging
84/100
The Legacy 2 forms a credible virtual stage with good separation between instruments and layers. Depth and width are both described as somewhat above average, though the presentation is not unusually expansive.
Dynamics Coherence
85/100
PortaFi praises the emotionally engaging, dynamic presentation and its ability to underline macro-dynamic swings. The tuning adds some musical weight and energy without overdoing it, producing a cohesive and pleasant overall flow.
FIT COMFORT ISOLATION PERFORMANCE 85/100
The supplied shells are reported to sit well in the ear and remain comfortable, supported by two sets of silicone tips. Passive isolation is only average, so they are better suited to ordinary listening than especially noisy environments.
Seal Stability
86/100
The reviewer reports that the earpieces sit well in the ears, and the package includes six pairs of silicone tips across two sets. No instability or fit-related bass variation is reported, though the review offers limited detail on movement during active use.
Comfort
88/100
PortaFi explicitly describes the Legacy 2 as comfortable to wear. Its relaxed tuning is also characterized as suitable for extended listening sessions, reinforcing its easygoing everyday appeal.
Isolation
80/100
Passive isolation is described as average. This should be adequate for typical indoor use, but listeners needing strong attenuation for commuting or loud surroundings may want more isolation.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Accessories
88/100
The reviewer finds the construction neat and the supplied package good, with an exterior design that feels excellent for the asking price. Six silicone-tip pairs across two sets provide useful fitting choice, although long-term durability and cable behavior are not discussed.
Value for Money
90/100
At its $99 price, the review specifically calls the bass performance decent, with good texture and control. PortaFi also considers the design, assembly and included package excellent for the money, making the Legacy 2 a compelling option for a listener seeking a musical, non-fatiguing hybrid IEM.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
- Drivers
- Knowles 29689 + 10mm Beryllium
- Driver Impedance
- 32Ω
- Driver Sensitivity
- 108dB
- Cable Specifications
- 0.78 2-pin
- Cable Plug Type
- 3.5mm
- Cable Length
- 1.2m
Manufacturer's Description — THIEAUDIO
Thieaudio
Thieaudio was launched in 2019 as a creative endeavor of Linsoul Audio. The goal of Thieaudio was to serve as a creative platform for gathering the best teams of engineers to inspire revolutionary audio products for audiophiles and professionals alike. For each project, we hand select the most innovative and renowned engineers in his or her field to oversee the design, engineering, and manufacturing of the products. Gathering the momentum from the success of the Thieaudio Phantom planar magnetic headphones, as well as the Voyager, Legacy, and Signature series In-Ear Monitors (IEM’s), we are committed to the continual expansion on the limits of high-fidelity audio. We welcome you to join us and experience excellence in musical performance.
Legacy Series
The Legacy series capitalizes on Thieaudio’s engineering capabilities to merge the latest driver innovations, creating a lineup of the ultimate high-performance hybrid in-ear monitors. Geared towards the discerning audiophile and music enthusiast, the Legacy series re-envisions the qualities that make up high-fidelity audio to present a unique combination of enjoyable tuning that also excels in technical performance. With each model of our Legacy Series, we hope to reveal a refreshing new perspective on your daily listening experience, immersing you deeper into the music.
When Legendary Drivers Meet
When most IEM manufacturers develop dual driver IEM’s, they are purposefully fated to be the entry-level, low-tier, and affordable compromise to their more expensive counterparts. For this reason, cheaper, less efficient drivers are selected, put together with less thought on acoustic design, ultimately resulting in an under-performing monitor. Thus, when our team came together to craft the Legacy 2, we dedicated ourselves to achieve the highest performance possible, carefully selecting components, and merging them through months of sonic engineering.
Bass performance has always been of particular importance to the Thieaudio team, which is the reason why the Legacy series, with its incorporation of dynamic driver woofers, was started. Our team has come a considerable way in developing dynamic drivers, and we are proud to utilize our latest advancements into the Legacy 2. Featuring our new proprietary closed-back 10mm Beryllium dynamic driver, the Legacy 2 takes the biggest leap yet in bass performance. Beryllium drivers have developed a cult-like following in the audiophile community due to the stiffness of this element, which results in extremely quick responses. By using stronger internal magnets and a new acoustic casing design, we have taken this driver to its full potential, producing low-frequency responses beyond anything the Legacy series has achieved so far.
In selecting the mid-high frequency driver, we have decided to utilize the tried and true legendary balanced armature, the Knowles ED29689. Famed particularly for its performance in popular single-BA driver monitors, the Knowles ED29689 has been widely acclaimed as the foundation of all balanced armature drivers, and still stands today as the most capable and best performing driver. Particular to our interests, the ED29689 features a completely neutral mid-frequency response, accurate mid-treble transition, and a highly resolving treble playback.
By using similar tuning strategies as those found in our Signature series models, the Legacy 2 has been engineered to produce a powerful sub-bass impact that transitions crisply to the mid-frequencies, which in turn are presented naturally, with minimal coloring. The treble has been tuned to perfectly balance the ED29689’s high calibre treble resolution and the human ears’ preference for high-frequency decay. Through careful selection of the drivers and intricate tuning strategies, we have created the ultimate 2 driver in-ear monitor, that beyond its mere name, is truly a performance-grade monitor for both stage and audiophile use. In no way is the Legacy 2 a compromise, and we are confident that it stands to compete against any competition in the field, regardless of the driver count.
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Authorized dealers for THIEAUDIO THIEAUDIO Legacy 2
- Audio 46 — online and in-store — New York, New York, United States (website)
- Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
- AUDIOPHONICS — in-store — Bordeaux, Nouvelle-Aquitaine, France (website)
- B&H Photo — online and in-store — New York, New York, United States (website)
- Bloom Audio — online and in-store — Gibbsboro, New Jersey, United States (website)
- EQ Audio Video — online and in-store — Barrie, Ontario, Canada (website)
- Headphone Zone — online and in-store — Laxmi Industrial Estate, Maharashtra, India (website)
- Headphones.com — online and in-store — Portland, Oregon, United States (website)
- Hifi Passion — in-store — Neustadt, Bremen, Germany (website)
- MusicTeck — online and in-store — Tenafly, New Jersey, United States (website)
and 2 more verified dealers