The KBear Tourbillon-Pro TB-Pro is a well finished product that feels refined. The housing is made from a shiny solid zinc alloy, giving the earphones a nice look. The metal shells provide good durability, while the distinctive faceplate adds a touch of visual flair and sets the design apart from more conventional-looking IEMs.
The shells are compact and sit comfortably in the ear. Isolation is decent once a proper seal is achieved. The finish is consistent and well executed, no visible imperfections. This is a well-assembled and thoughtfully finished product, especially impressive at this price point.
The accessory package is above average for this segment. Inside the box, you’ll find the Tourbillon-Pro IEMs, a great zippered carrying case, multiple sets of ear tips, including a set of TRI Clarion tips that offer good sealing and comfort. A good quality 2-pin single ended cable is included.
From a technical standpoint, the Tourbillon-Pro is a competent and well-balanced performancer. Resolution is solid and sufficient to present musical details clearly, without pushing the sound into an analytical or overly dissected direction.
Specs
- Driver: 10 mm dynamic driver
- Diaphragm: PU + PEEK + DLC composite diaphragm
- Driver design: Dual-magnetic, dual-chamber structure
- Impedance: 19 Ω ± 2 Ω
- Sensitivity: 101 dB ± 3 dB / mW
- Frequency response: 20 Hz – 20 kHz
- Connector type: 0.78 mm 2-pin detachable cable
- Shell material: Zinc alloy metal housing
- Mojo2 +Poly
- Shanling UA7
- Shanling M8T
- Campfire Audio Relay Dac
- Stacey Kent – Jardin d’hiver
- The Magic Hour – Free to Be (Wynton Marsalis)
- Jane Monheit – Só Tinha De Ser Com você
- Catherine Russel – Lucille
- Herbert von Karajan – Beethoven : 9 Symph. – Adagio Molto
- HAEVN – Trade it for the Night (Live in Carré) & Acoustic version
Sound quality
The Tourbillon-Pro focusses on is placed on a smooth, balanced sound signature and tonal weight instead of pursuing micro-detail retrieval. Transient response is controlled. Notes have a smooth attack and calm decay, which contributes to the relaxed presentation. This slightly reduces the sense of speed and snap during faster passages. Dynamic contrast is handled adequately, with enough headroom to keep the presentation engaging across different genres.
Imaging is decent and more than adequate, allowing instruments to be placed clearly within the soundstage. While depth and layering are not especially pronounced, spatial information remains consistent and easy to follow.
The Tourbillon-Pro focus is on a more musical and relaxed tuning, prioritizing tonal weight and smoothness over strict technical analysis. The overall balance leans warm, with an emphasis on bass presence and a forgiving top end, making it well suited for casual listening and a wide range of music genres.
Resolution and detail are sufficient to enjoy any musical nuance, but the focus clearly lies on flow and coherence rather than maximum precision. This results in a sound signature that feels engaging without becoming fatiguing or overly demanding. In other words, not every listening session calls for a fully dissected presentation; sometimes it is simply about enjoying the music. The Tourbillon-Pro does not dissappoint and really delivers on that front.
Treble
Treble is smooth and well controlled, avoiding any sharp edges or excessive brightness. This makes the Tourbillon-Pro forgiving with poorer recordings and effective at handling sibilance. Extension is sufficient to maintain openness, but the upper frequencies remain more relaxed rather than energetic.
Detail retrieval in the treble is decent but not a focal point. The emphasis is on comfort and long-term listenability rather than sparkle or analytical resolution.
Midrange
The midrange sits slightly behind the bass, resulting in a laid-back vocal presentation. Vocals and instruments sound natural and smooth, though they are not pushed forward in the mix. This tuning choice contributes to an easygoing listening experience but can make midrange detail feel less prominent, especially in vocal-centric recordings. While clarity is adequate, the midrange prioritizes balance and warmth.
Bass
Bass is one of the defining elements of the Tourbillon-Pro’s tuning. The low end carries a noticeable weight, with a strong mid-bass presence that gives the sound a full and warm character. Texture and control are adequate, though the emphasis is more on body than speed.
There are moments the mid-bass can extend slightly into the lower mids, which adds warmth but can reduce separation on more complex tracks. Bass attack is smooth rather than snappy, favoring a rounded and relaxed delivery over sharp impact.
Soundstage and imaging
The soundstage offers a moderate sense of width, creating an open and airy stage without sounding exaggerated. Depth and layering are present but are somewhat limited, resulting in a more straightforward, two-dimensional presentation rather than a very deeply layered stage. Separation is adequate, though complex tracks can feel slightly condensed due to the warm low-end balance.
Conclusion
The KBear Tourbillon-Pro TB-Pro is an IEM that values musical enjoyment above technical showmanship. It does not go for an analytical or reference-style presentation, it delivers a warm and relaxed sound signature that is easy to appreciate. The bass-forward balance and smooth treble create a very forgiving character that works well across many genres, without demanding constant focus from the listener.
From a technical perspective, the performance is solid within its category. Detail and resolution are present at a level that keeps music engaging. The strength of the Tourbillon-Pro lies in balance and tonal consistency rather than pinpoint imaging or maximum separation. It just sounds natural, even if it does not push technical boundaries.
Build quality is another strong point. The metal shells feel robust and well finished, the overall presentation suggests a product that has been carefully put together. The included accessories are sensible and practical, reinforcing the impression of a well-rounded package.
Those looking for a neutral, highly resolving or analytical sound may find the tuning too relaxed, and should be aware of the limitations.
The Tourbillon-Pro TB-Pro is best seen as a very musically focused IEM that prioritizes comfort, warmth and ease of listening. It offers good value for listeners who prefer a smooth, full-bodied presentation over technical precision.
A well-built and musically engaging IEM that favors balance and enjoyment over analysis, making it a strong option for a relaxed and everyday listening.
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Product KBEAR Tourbillon-Pro
