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Kinera Kinera URD HiFi In-Ear Earphone,Hybrid Drivers 2DD+1BA+2EST IEMs Headset with 2Pin 0.78mm Detachable Cable & Multiple Plugs
Feature
【Reject The Abrupt, Just Let The Coordination Fill The Vocal Music World】- URD bass uses titanium crystal diaphragm coaxial double dynamic, through careful tuning, the characteristics of deep diving and fast transient response of this unit are brought into play. The high frequency adopts the Sonion new generation EST65DB01 composite double electrostatic unit to make the treble possess stronger ductility. The mid-range is connected by the dynamic driver 11021 customized by Kinera.
【Sonion EST65DB01 Composite Dual Electrostatic Unit】- The 8mm titanium crystal diaphragm coaxial double dynamic has strong acoustic performance, large dynamics, rapid transient response, clear low frequency levels, and solid texture.
【8mm Titanium Crystal Diaphragm Coaxial Double Dynamic Driver】- Knowles RAF-32873 is a full-frequency balanced armature unit, which has both low-frequency volume and texture, full mid-range sound, high-frequency gorgeous ductility, and strong resolution. It is mainly used in the mid-range, which can have better connection between low frequency and high frequency to make the sound energy distribution more even.
【Kinera Custom 11021 Balanced Armature Unit】- Kinera customized BA 11021 is responsible for the intermediate frequency, making sweet female voice and strong magnetic male voice. Connected with the bass and treble.
【Modular 6N OCC + OCC With Silver Plated + OCC With Gold Plated Cable】- Because of special shielding structure, the coaxial earphone cable has the characteristics of stable impedance and high sound signal transmission efficiency. The original URD cable is made of high-purity OCC to ensure audio quality. The outer winding OCC with gold-plated and OCC with silver plated mixed material can effectively restore the sound details. Gold and silver can enhance high-frequency ductility and smooth the roughness of the sound, further improving the sound quality.
Eartips
Final Type E Eartips : Enhance bass, weaken dental sound
Foam Eartips : Rich vocals and deeper bass
K-07 Balanced Eartips ( Red, Green, Yellow Colour ) : More balanced sound
K-285-02 Vocal Eartips ( Skin Colour ) : Release high frequencies, pleasant vocals
Weight Of Earbuds
The weight of earbud is only 5.5± g, comfortable for wearing for a long time.
Nozzle Size
Nozzle size is 6.23mm, select different eartips to hear more possible sound.
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Professional Reviews 88/100
Nicely Roasted
Sound Quality
87/100
Fit Comfort Isolation
89/100
Build Accessories
94/100
Value for Money
85/100
Kinera’s URD delivers visceral dual-dynamic bass with deep extension, clean midrange separation, and natural vocal realism. Audio-In Reviews found its neutral-warm, full-bodied tuning especially satisfying, pairing smooth relaxed treble with excellent isolation, striking resin shells, and a flexible modular cable. It is a polished hybrid IEM for immersive, fatigue-free listening.
What Reviewers Are Saying
Pros
Dual dynamic drivers deliver impactful, well-controlled bass with excellent sub-bass extension and no perceptible midrange bleed.
Vocals and instruments sound natural and realistic, with forward presence that avoids becoming aggressive.
Large shells were found comfortable and light in use, with very good passive isolation.
Comprehensive package includes a sturdy case, varied ear tips, and modular 2.5mm, 3.5mm, and 4.4mm cable terminations.
&
Cons
Relaxed treble is less energetic, airy, and resolving than some similarly priced competitors.
Soundstage, instrument separation, and layering are average for the price rather than class-leading.
SOUND QUALITY PERFORMANCE 87/100
The URD is described as neutral-to-slightly-warm and full-bodied, with a tastefully elevated sub-bass region, natural mids, and a smooth treble balance. Its technical performance is satisfying rather than class-leading: it delivers strong impact and convincing timbre, while resolution, layering, air, and stage size trail some similarly priced rivals.
Bass
91/100
The dual dynamic drivers provide strong visceral impact, excellent sub-bass extension, and a tastefully implemented sub-bass emphasis. Bass is said to remain adequately controlled, with no perceptible bleed into the midrange.
Midrange
89/100
Vocals and instruments are described as natural, realistic, and well resolved. An upper-mid lift brings them somewhat closer, but the presentation avoids becoming forceful or in-your-face.
Treble
84/100
Treble is smooth, relaxed, and easygoing rather than aggressively detailed. Air above 10kHz is sufficient for atmosphere, though the reviewer found it good rather than exceptional and less energetic than a comparison set.
Resolution Separation
84/100
Midrange detail retrieval is very good, and the overall presentation retains enough technical ability to avoid feeling incomplete. However, instrument separation and layering are described as average for the price and behind the DUNU SA6, SA6 Ultra, and Moondrop Variations.
Soundstage Imaging
84/100
The stage is neither especially expansive nor cramped. It is described as average in width but sufficiently spacious to remain satisfying with normal listening.
Dynamics Coherence
89/100
The URD's bass delivers a notably visceral and dynamic effect, helping music feel energetic and substantial. Its natural, full-bodied presentation is also described as coherent and satisfying, with no bass bleed disrupting the overall balance.
FIT COMFORT ISOLATION PERFORMANCE 89/100
Although the shells are large and protrude more than some conventional monitors, the reviewer found them unexpectedly light and very comfortable. Isolation is a particular strength, with very little outside noise reported to bleed through.
Seal Stability
88/100
The review reports no difficulty obtaining a usable fit or maintaining the intended sound. The shell is large and sits somewhat proud of the ear, so listeners with smaller ears may still want to make use of the extensive tip selection.
Comfort
90/100
Despite its substantial shell size, the URD is described as comfortable and not particularly heavy. The reviewer did not find its extra protrusion bothersome during use.
Isolation
91/100
Passive isolation is described as very good, with very little noise bleed. This should make the URD well suited to listening in moderately noisy everyday environments.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Accessories
94/100
The layered blue-and-green resin finish is described as stunning and visually distinctive, while the cable is also regarded positively. The package is especially comprehensive and useful, including a sturdy protective case, cleaning tool, Final Type E, foam, and Kinera tips, plus 2.5mm, 3.5mm, and 4.4mm modular terminations.
Value for Money
85/100
The review identifies a $650 asking price and praises the well-rounded accessory package. It does not make a firm recommendation on value against direct competitors, while noting that several peers offer stronger separation and detail.
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- A1 Futureshop — online and in-store — North Rocks, New South Wales, Australia (website)
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