2annIEM COLLECTIONDates shown per source · Layout 2026.10.26

KEFINE Quatio

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Product information

At a glance

Emphasis: Bass emphasisTimbre: Warm toneListening: Relaxed listening

A candidate for listeners seeking bass weight and impact, warmth and body and calm, extended listening.

Technical / Musical 85 / 88Retained editorial scores7 Source recordsSignature evidence · HighPrice record date · 2026-10-10Evidence for the catalogue referenceListing price: USD 129.0 · 2026-10-25

Scores are retained editorial reference values, not laboratory measurements or arithmetic averages of review stars. A one-point difference does not establish absolute superiority. Signature confidence is separate from score certainty.

Read the scores and evidence ↗

Check before choosing · Verification scope

Core product facts

Release month
2025-06
Driver configuration
2DD + 2BA
Impedance
32 Ω
Earpiece connector
0.78mm 2-pin
Cable length
1.2 ±0.2m
Catalogue reference · KRW
₩176,043USD 129.00

A recorded reference amount, not a live lowest price.

KEFINE Quatio 유닛

Photo source: www.linsoul.com

Basic specifications

Specifications retained from product records; missing values are not estimated. Korean source wording is preserved where no verified translation exists.

Driver configuration2DD + 2BA
Impedance32 Ω Source ↗ · linsoul.com
Sensitivity107 ±3 dB (reference unspecified) Source ↗ · linsoul.com
Weight and scopeNo established value in the checked records. Value not established · checked source ↗ · linsoul.com
Nozzle diameterNo established value in the checked records. Value not established · checked source ↗ · linsoul.com
Included accessories
  • Quatio earpieces
  • Hard case
  • Interchangeable 3.5 and 4.4 mm plugs
  • 2 additional nozzle pairs; 3 pairs including the installed pair
  • Tip quantity conflicts: 13 pairs in body text, 12 pairs in package table
  • 2 tip storage boxes
  • User manual
  • Quality assurance certificate
  • Nozzle information card
Cable conductor / materialSilver-plated OFC
Cable cores / braid4 strands; 98 wires each, 392 total
Cable length1.2 ±0.2m
Earpiece connector0.78mm 2-pin
Source plug3.5 mm SE / 4.4 mm balanced modules

Retained product source ↗ · linsoul.com · Specification evidence · Research coverage

포장 포함308g을 유닛 무게로 전용 금지. 감도 dB 기준은 해당본문 미공개. Reddit20Ω표기는 채택하지 않음.

Package/cable records below retain the original source language. Purchase options, modular plugs and aftermarket accessories are distinguished; unverified counts and materials are not estimated.

팁 수량이 같은 페이지에서13쌍/12쌍으로 달라 확정 수량으로 통일하지 않음. 케이블 소재에 따른 소리 홍보는 평가 근거로 전용하지 않음.

KEFINE Quatio 기존 제품 자료 ↗ · linsoul.comLinsoul Quatio package and cable ↗ · linsoul.com
Price and release evidence
Driver and design evidence

2DD + 2BA

Recorded model / design notes (original language): 항공용 알루미늄을 5축 CNC로 가공한 셸과 다중 드라이버 구조입니다.

Product specifications / model-specific reference ↗ · linsoul.com

Additional product reference: 셰에라자드 짧은 비교 청음 — KEFINE Quatio · blog.naver.com

Linked references are the existing model-specific specification/design records. Manufacturer, retailer and review sources are distinguished in the original pages. Driver counts alone do not establish sound quality; model generations and variants must match.

Five-axis CNC aviation aluminium housing.

A 2DD plus 2BA hybrid with three acoustic nozzle sets. Frequency emphasis and timbre are listed separately.

Representative character: Relaxed listening

2ann quick note

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Sound, assessment & measurements

Technical evaluation 85 / 100

Bass87
Mids87
Treble84
Spatial presentation87

Evidence behind the technical assessment

Treble presentation: Mostly gentle; gold nozzle adds brightness. ↗

Stage and separation: Depth and envelopment are praised, while width and precise localization are disputed. ↗

Read sources and disagreements ↗

Musical enjoyment 88 / 100

Natural timbre90
Emotional expression87
Immersion88
Rhythm and dynamics87
Vocal and instrumental liveliness87
Long-session comfort91

Evidence behind musical enjoyment

Bass character: Rich, thick bass; attack and placement precision vary. ↗

Vocals and mids: Full, smooth vocals and instruments. ↗

Read sources and disagreements ↗

Sound and listening impressions

Design, bass, mids, treble, stage and differing reviewer impressions are presented together.

Sound classification

Representative listening character

Smooth flow and full, warm texture favour relaxed listening. It does not promise fatigue-free sound in every setup. This editorial browsing category is drawn from retained model-specific reviews; it does not exclude other listening uses.

Similar listening character ↗

Frequency emphasis: Bass emphasis. Rich, thick bass; attack and placement precision vary. Overall timbre: Warm tone. These are separate representative axes; fit, nozzle settings and contrary accounts remain in the reviewed evidence.

Differences by listening conditions: Some hear more treble presence or looser lows. BJ’s cafe, Danawa and blog versions are one observer.

Concise English summaries distinguish product specifications, reviewed listening impressions and practical advice. Original source notes remain available below.

Design and model identity

Five-axis CNC aviation aluminium housing.

Source ↗

Bass quantity and texture

Rich, thick bass; attack and placement precision vary.

Vocal placement and midrange

Full, smooth vocals and instruments.

Treble and fatigue

Mostly gentle; gold nozzle adds brightness.

Stage, separation and imaging

Depth and envelopment are praised, while width and precise localization are disputed.

Disagreement and listening conditions

The bass, vocal and treble descriptions summarise reviewed impressions, not measured quality. Tips, volume, nozzle settings and source conditions can explain differences. Sample relationships and duplicate authors remain disclosed in the source records.

Strengths and caveats from reviewed sources

Supplementary notes retain the original Korean research wording.

셰에라자드 짧은 비교 청음 — KEFINE Quatio ↗ — Quatio는 보컬과 악기가 다소 뭉개지고 공간이 평면적으로 들렸으나 밸런스가 안정적이고 고역 자극이 적어 오래 듣기 편할 것이라는 짧은 소감. FIVE의 팁 크기 문제는 별도 제품 내용이므로 Quatio에 적용하지 않음.

Listening suggestions and selection points

Start with calm pop, acoustic or vocal music and focus on continuity and flow. Balance the appeal of smoothness against whether you want more sparkle or stronger impact.

These are editorial starting points derived from the existing sound descriptions, not results of a genre-by-genre test. Recordings and arrangements vary even within one genre.

Open supporting review records ↗

How to choose this product

Preferences that match

  • bass weight and impact · warmth and body
  • calm, extended listening

Consider alternatives first if you prefer

  • lean, restrained bass ahead of weight
  • a leaner, cooler tone ahead of warmth

A preference guide based on the existing classification. Fit and enjoyment vary with listener, music and tips.

Products to compare

Candidates selected by classification and proximity of registered reference prices, not direct A/B auditions or performance rankings.

JUZEAR FIESTA

Candidate treble observation: Mostly smooth, with modest brightness and limited top-end extension.Read the observation source ↗

Shared classification: bass weight and impact · warmth and body

Different classification: Listening character: calm, extended listening → rhythmic, energetic listening

Driver configuration: 1DD + 3BA

Compare the pair

Vzonis VP07

Candidate treble observation: Open and detailed; volume can increase sharpness.Read the observation source ↗

Shared classification: bass weight and impact

Different classification: Timbre: warmth and body → a bright, open tone

Driver configuration: 1DD + 6BA · 10mm DD

Compare the pair

Fit and connection checks

Information retained from registered sources. Where verified wearing photos or individual fitting observations are unavailable, consult the product photo and the specification scope.

Listening checklist

  • Compare vocal masking at matched volume.
  • Use familiar music to separate bass quantity from decay.
  • Check treble comfort after matching tips and seal.

Cable, plugs and drive

  • Earpiece connector: 0.78mm 2-pin
  • Source plug: 3.5 mm SE / 4.4 mm balanced modules
  • Cable length: 1.2 ±0.2m
  • Impedance: 32 Ω Source ↗
  • Sensitivity: 107 ±3 dB (reference unspecified) Source ↗
Specifications and sources

Included accessories

  • Included accessories: Quatio earpiecesHard caseInterchangeable 3.5 and 4.4 mm plugs2 additional nozzle pairs; 3 pairs including the installed pairTip quantity conflicts: 13 pairs in body text, 12 pairs in package table2 tip storage boxesUser manualQuality assurance certificateNozzle information card
  • Cable conductor / material: Silver-plated OFC
  • Cable cores / braid: 4 strands; 98 wires each, 392 total
Specifications and sources

Frequency-response graph

Measurement
KEFINE Quatio frequency-response graphRedrawn from the disclosed source; see original conditions and limitations below.20501002005001k2k5k10k20k-40-30-20-100+10+20Published measurementFrequency (Hz)Relative response (dB; 1kHz = 0)
Source notes
Approximate values digitized from the graph · 10kHz까지 확보 · Normalized at 1 kHz · Checked 2026-10-07검정 노즐, right 채널출처: Prime Audio Reviews ↗Results vary with measurement equipment, tips and fit. Treat results above 8 kHz as indicative.
Reading limits

These values are approximate digitization of a source image; small decimal differences should not be overinterpreted. Seal, tips, nozzle/filter, insertion and rig can change the shape. Bass speed, natural timbre, resolution, separation and stage are not established by FR alone. The captured trace ends near 9.75kHz; no upper extension was extrapolated.

Evidence at a glance

Reviewed reviews

Listening review 7 · All records 13

Listening review 7 · Owner account 2 · Reference 4

YouTube videos for this product

22 items

Verification level: A registered link does not mean completed audiovisual analysis. Check the scope on each video.