2annIEM COLLECTIONDates shown per source · Layout 2026.10.26

KEFINE Klean SV

Click your selection again to undo.
Content display

Product information

At a glance

Emphasis: Balanced bandsTimbre: Neutral toneListening: Versatile listening

A candidate for listeners seeking overall balance and continuity, a tone not classified as especially warm or bright and moving between genres.

Technical / Musical 79 / 83Retained editorial scores19 Source recordsSignature evidence · MediumPrice record date · 2026-10-10Evidence for the catalogue reference

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
2026-02
Driver configuration
1DD (10mm DLC)
Impedance
32Ω
Earpiece connector
0.78 mm 2-pin
Cable length
1.2 ±0.2 m
Catalogue reference · KRW
₩81,511USD 56.32

A recorded reference amount, not a live lowest price.

KEFINE Klean SV 유닛

Basic specifications

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

Driver configuration1DD (10mm DLC)
Impedance32Ω
Sensitivity107 dB · reference unspecifiedSpecification source ↗ · thehificat.com
Weight and scopeManufacturer comparison table lists 5.5 g; one reviewer measured 9.35 g per side. Conditions differ, so these are not merged into one definitive weight.Specification source ↗ · kefineelec.com
Nozzle diameterNo established value in the checked records. Value not established · checked source ↗ · kefineelec.com
Included accessories
  • Earpieces
  • Stock cable
  • Portable case
  • 3 regular-bore silicone-tip pairs: S/M/L
  • 2 additional nozzle pairs; 3 types including the installed pair
  • User manual
  • Warranty certificate
Cable conductor / materialSilver-plated copper (SPC)
Cable cores / braid108 wires (wire count; core count unspecified)Specification source ↗ · thehificat.com
Cable length1.2 ±0.2 mSpecification source ↗ · thehificat.com
Earpiece connector0.78 mm 2-pinSpecification source ↗ · thehificat.com
Source plug3.5 mm review version; 4.4 mm and USB-C are separate purchase options

Specification notes

무게 표기가 서로 다릅니다. 제조사 5.5g은 범위가 명확하지 않고, 리뷰 실측 9.35g은 한쪽 기준으로 단일 평균값을 만들지 않았습니다.

Specification source ↗ · thehificat.com

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

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.

무게 표기가 서로 다릅니다. 제조사 5.5g은 범위가 명확하지 않고, 리뷰 실측 9.35g은 한쪽 기준으로 단일 평균값을 만들지 않았습니다.

KEFINE Klean SV · 기존 제품 자료 ↗ · kefineelec.comKEEPHIFI / vandung2510 · Klean SV 개봉 ↗ · keephifi.com
Price and release evidence
Driver and design evidence

1DD (10mm DLC)

Recorded model / design notes (original language): 금속 하우징과 싱글 DD 구조입니다. 제조사 비교표와 리뷰 사이에 무게 표기가 달라 수치를 별도로 구분했습니다.

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

Additional product reference: AudioReviews – Kefine Klean SV · audioreviews.org

Additional product reference: Mobile Audiophile – Kefine Klean SV · mobileaudiophile.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.

Metal housing; published weight figures conflict.

The Klean SV uses a 10mm DLC DD with interchangeable nozzles. Frequency emphasis and timbre are listed separately.

Representative character: Versatile listening

2ann quick note

Loading note…

Sound, assessment & measurements

Technical evaluation 79 / 100

Bass78
Mids81
Treble78
Spatial presentation80

Evidence behind the technical assessment

Treble presentation: Silver is often smooth; gold can increase sharpness and fatigue. ↗

Stage and separation: Natural average width and useful separation; depth and imaging remain disputed. ↗

Read sources and disagreements ↗

Musical enjoyment 83 / 100

Natural timbre83
Emotional expression81
Immersion82
Rhythm and dynamics85
Vocal and instrumental liveliness84
Long-session comfort80

Evidence behind musical enjoyment

Bass character: Generally controlled and tight; perceived weight varies with tips and connection. ↗

Vocals and mids: Clear vocals can be neutral and present, or recede in dense tracks. ↗

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

An all-round listening role rather than one narrow attraction. It does not imply flat frequency response or optimality for every genre. This editorial browsing category is drawn from retained model-specific reviews; it does not exclude other listening uses.

Similar listening character ↗

Frequency emphasis: Balanced bands. Clear vocals can be neutral and present, or recede in dense tracks. Overall timbre: Neutral tone. These are separate representative axes; fit, nozzle settings and contrary accounts remain in the reviewed evidence.

Differences by listening conditions: Some stock silver-nozzle accounts are brighter and more analytical, with slightly recessed vocals. Black-nozzle warmth and gold-nozzle brightness are separate conditions.

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

Design and model identity

Metal housing; published weight figures conflict.

Source ↗

Bass quantity and texture

Generally controlled and tight; perceived weight varies with tips and connection.

Vocal placement and midrange

Clear vocals can be neutral and present, or recede in dense tracks.

Treble and fatigue

Silver is often smooth; gold can increase sharpness and fatigue.

Stage, separation and imaging

Natural average width and useful separation; depth and imaging remain 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.

Listening suggestions and selection points

Alternate vocal-led and rhythm-heavy music. Focus on whether the relationship between bass, voice and treble stays appealing across different arrangements rather than relying on one striking first impression.

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

  • overall balance and continuity · a tone not classified as especially warm or bright
  • moving between genres

Consider alternatives first if you prefer

  • a pronounced emphasis in one frequency band
  • a deliberately warm or bright coloration

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.

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: 0.78 mm 2-pinSpecification source ↗
  • Source plug: 3.5 mm review version; 4.4 mm and USB-C are separate purchase options
  • Cable length: 1.2 ±0.2 mSpecification source ↗
  • Impedance: 32Ω
  • Sensitivity: 107 dB · reference unspecifiedSpecification source ↗
Specifications and sources

Included accessories

  • Included accessories: EarpiecesStock cablePortable case3 regular-bore silicone-tip pairs: S/M/L2 additional nozzle pairs; 3 types including the installed pairUser manualWarranty certificate
  • Cable conductor / material: Silver-plated copper (SPC)
  • Cable cores / braid: 108 wires (wire count; core count unspecified)Specification source ↗
Specifications and sources

Frequency-response graph

Measurement
KEFINE Klean SV 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 · Normalized at 1 kHz · Checked 2026-10-071kHz 94dB·편측 측정·노즐 조건 미명시출처: Tre****Lab ↗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 source does not specify nozzle, so it is not assigned to silver, black or gold.

Evidence at a glance

Reviewed reviews

Listening review 9 · All records 21

Listening review 9 · Reference 12

  • 1 1. www.audioreviews.org · Original source ↗ · audioreviews.orgListening review
    Source notes

    AudioReviews – Kefine Klean SV

    완만한 저음 강조와 밝은 상부 고역. 검정 노즐이 더 편안함.

  • 2 2. mobileaudiophile.com · Original source ↗ · mobileaudiophile.comListening review
    Source notes

    Mobile Audiophile – Kefine Klean SV

    중립 중심의 깨끗한 소리, 노즐에 따라 웜 중립부터 밝은 중립까지 변화.

  • 3 3. note.com · Original source ↗ · note.comReference
    Source notes

    KEFINE KLEAN SV neutral balance review #PR

    기본 실버 노즐은 자연스러운 균형, 적절히 깊고 정돈된 저음, 자연스러운 보컬과 선명하면서 거의 찌르지 않는 고음. 검정은 따뜻하고 완만, 금색은 고음과 보컬 윤곽을 강조. 부드럽지만 파트 위치는 명확하다고 평가.

    제조사 PR 대여 청음기 명시

    제조사 PR 대여 청음기 명시

  • 4 4. www.schezade.co.kr · Original source ↗ · schezade.co.krReference
    Source notes

    고성능 IEM 입문 베스트, KEFINE Klean SV

    실버는 깔끔하고 정확한 표준 사운드, 검정은 따뜻하고 부드러운 울림, 금색은 적극적이고 화려하지만 산만·불안정하게 느껴진다고 평가. 노즐별 성격 차이가 크다는 기존 판단을 보강.

    셰에라자드로부터 비용 수령 명시

  • 5 5. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    KEFINE Klean SV 이어폰 리뷰

    은색 노즐·흰색 팁에서 V자, 자연스럽게 깔린 저음과 좋은 정위감. 고역 디테일과 전체 무대, 특히 좌우 폭은 아쉬움. 금색은 더 선명하지만 치찰/피로, 검정은 고역 완화. 검정 팁은 저음 감소.

    KEFINE 샘플 제공, 내용 가이드라인 없음 명시

    Naver source body read directly

    KEFINE supplied the unit. White tips/silver nozzle baseline; notes gold-nozzle fatigue risk, narrow space and limited treble detail.

    2026-10-25
  • 6 6. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    기대가 너무 커서.. 개인적으론 아쉬웠던 [Kefine] Klean SV

    USB-C 기준 은색 노즐은 선명하지만 평탄하고 밋밋하게, 검정은 더 따뜻하고 힙합 몰입감, 금색은 보컬 선명하게 평가. 이어팁 차이는 명확히 구별하지 못함. 연결 방식 선호에 따른 실망은 음질 열위 확정 근거로 사용하지 않음.

    제공·자비구매 미공개

    Naver source body read directly

  • 7 7. blog.naver.com · Original source ↗ · blog.naver.comReference
    Source notes

    커핀 KEFINE KLEAN SV USB-C 이어폰 청취 리뷰

    은색+흰팁에서 저음이 풍성한 V자, 복잡한 연주에서 보컬 후퇴. 좌우 폭은 좋으나 전후 깊이 얕음. 금색 고역 선명/피로, 검정 온화. 대편성 클라이맥스와 약한 잔향의 세밀한 분리에는 한계.

    셰에라자드 2주 제품 대여+소정 원고료, 자유 작성 명시

    Naver source body read directly

  • 8 8. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    무선보다 좋은 음질? 입문용 유선 이어폰 KEFINE KLEAN SV 사용기

    기본 SILVER에서 Hotel California MTV Live의 공간 크기는 보통이나 악기 위치와 좌우 표현·보컬 위치가 좋고, Diana Krall Temptation의 콘트라베이스 질감과 보컬/악기 분리를 호평. BLACK에서 Hedegaard Ratchets의 초저음 펀치와 빠르고 단단한 응답, OTT/영화 몰입감 증가를 보고. 기본은 자연스러운 균형, GOLD는 더 또렷한 보컬, BLACK은 더 따뜻한 인상. 재료/버닝/가격 기반 주장은 제외.

    Acquisition, product supply and writing fees were not disclosed. Seller or purchase links are present.

    Naver source body read directly

  • 9 9. blog.naver.com · Original source ↗ · blog.naver.comReference
    Source notes

    KEFINE KleanSV C타입 사용기

    맑은 보컬 호흡과 또렷한 악기, 장시간 사용 만족을 실제 청취로 적음. 노즐별·곡·소스 조건 특정 안 되어 기존 상세 합의나 기술등급 변경 근거로 쓰지 않음.

    제공·원고료·구매 미공개

    Naver article body read directly. Limited supporting material, not added to the exact-model listening-evidence count.

  • 10 10. blog.naver.com · Original source ↗ · blog.naver.comReference
    Source notes

    고음질 C타입 유선 이어폰 KEFINE Klean SV 1 C타입이라 편해요.

    실버는 과한 대역 없이 조화로운 밸런스, 블랙은 단단한 저음과 꽉찬 소리로 선호. 보컬 호흡·미세 떨림이 맑고 여성보컬/어쿠스틱의 촉촉한 질감 언급. 제조사 소재·구조 설명이나 전문적 비교 부족으로 기술등급 변경 제외.

    제공·원고료·구매 텍스트 미공개

    Naver article body read directly. Limited supporting material, not added to the exact-model listening-evidence count.

  • 11 11. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    고음질 C타입 유선 이어폰 추천 커핀 Klean SV

    출퇴근 음악/영화/영상작업 사용을 서술. SILVER 균형·GOLD 선명·BLACK 따뜻한 저음으로 설명하며 BLACK 영화 감상에서 저음 울림과 몰입감을 느꼈다고 보고. 저중고역 세부/정밀 분리/공간 비교나 구체 음원은 없어 제한적 보강만 가능.

    Acquisition, product supply and writing fees were not disclosed. Seller or purchase links are present.

    Naver article body read directly. Limited listening material given low weight, not added to the exact-model listening-evidence count.

  • 12 12. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    KEFINE 커핀 Klean SV 고음질 C타입 유선 이어폰 사용기

    출퇴근/영화/영상작업 사용을 서술. 음악은 SILVER, 영화는 BLACK으로 바꿔 쓰며 맑고 가까운 음성·깨끗한 울림을 보고. 노즐 설명은 SILVER 균형/GOLD 선명/BLACK 따뜻함. 구체 음원/기기/정밀 비교가 없고 추천 비중이 커서 제한적 소감으로만 보존.

    Acquisition, product supply and writing fees were not disclosed. Seller or purchase links are present.

    Naver article body read directly. Limited listening material given low weight, not added to the exact-model listening-evidence count.

  • 13 13. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    고음질 C타입 유선 이어폰, 매일 듣던 노래가 새롭게 들린 진짜 이유

    사용 후 익숙한 음악의 배경 악기와 보컬 숨소리가 더 또렷하고 입체적으로 들렸다고 보고. 평소 기본 노즐의 무난한 균형, 영화에 저음 강조 노즐의 몰입감을 선호. 스스로 경험이 많지 않음을 밝히고 장치/음원/비교 모델/노즐 색 미명시로 정밀 음색·기술 등급 근거는 제한.

    Acquisition, product supply and writing fees were not disclosed. Seller or purchase links are present.

    Naver article body read directly. Limited listening material given low weight, not added to the exact-model listening-evidence count.

  • 14 14. blog.naver.com · Original source ↗ · blog.naver.comListening review
    Source notes

    KEFINE Klean SV 고음질 C타입 유선 이어폰 리뷰

    발라드·어쿠스틱에서 맑은 보컬 숨소리, 팟캐스트 목소리 선명함을 보고. 러닝/비트 음악의 저음 강조, 균형 노즐의 범용성, 고음 노즐의 청아함을 설명. 구체 음원·장치·노즐 색 및 비교 조건이 없어 생활 청취 후기 수준으로 보존.

    Acquisition, product supply and writing fees were not disclosed. Seller or purchase links are present.

    Naver article body read directly. Limited listening material given low weight, not added to the exact-model listening-evidence count.

  • 15 15. www.reddit.com · Original source ↗ · reddit.comReference
    Source notes

    Kefine Klean SV: The lost and found twin of the legend, a legend by itself?

    은색 노즐의 중립 밝은 마일드 V형. 빠르고 투명한 저음, 여성보컬 강조, 높은 볼륨에서는 고역이 따갑고 피로함. 공기감은 있지만 폭은 아주 크지 않고 정위감 평균, 층 분리는 좋음. 원본 Klean과는 분석성·피로의 교환으로 보고 자동 업그레이드라 하지 않음.

    Kefine Collin Yang/Lina Pan 샘플 및 KA1 제공, 금전·내용 지시 없음

    Public source text and comments read directly

  • 16 16. trefle-lab.com · Original source ↗ · trefle-lab.comReference
    Source notes

    KEFINE Klean SV レビュー|バランス良好

    은색 노즐의 중립 U/W, 단단한 저음과 가리지 않는 보컬. 고역은 자연스럽고 잔향은 적음. 공간 크기는 표준이나 분리는 좋음. 가격 반영 차트 제외.

    Angelears PR 의뢰; 금전·내용지시 없음 명시; 제휴 링크

    full_body: 실버노즐 기본팁·PAW6000/GoldTouch 확인; turn707view1 / turn718view4

    Angelears PR 의뢰; 금전·내용지시 없음 명시; 제휴 링크

  • 17 17. www.uni-sonia.com · Original source ↗ · uni-sonia.comReference
    Source notes

    KEFINE Klean SV – 低音は控えめ、明瞭さで聴かせる美麗系

    차가운 중립에 가까우며 중저음 억제·선명한 여성 보컬. 고음은 반짝이나 강한 자극은 못 느낌. 공간 크기 직접 확정은 피함.

    Angelears 제품 제공 명시; 제휴 링크

    full_body: 은색노즐·기본4.4mm/팁·D&A AlphaPro 원문 확인; turn701view0

    Angelears 제품 제공 명시; 제휴 링크

  • 18 18. cafe.naver.com · Original source ↗ · cafe.naver.comReference
    Source notes

    닥터헤드폰 · 1년 2개월 동안 푹 빠졌던 금속쉘 1DD

    클린 SV의 순정 인상은 고음이 강하고 저음은 조금 적으며 헤드룸이 작다는 평가입니다. EA500용 필터·Crystal 2 팁·교체 케이블 조합에서 만족도가 높았다고 했지만, 이 개조 후 호평을 순정 기본 튜닝의 부드러움이나 높은 기술력 근거로 합치지 않습니다.

    A Dr. Headphone member's purchase, ownership and listening account. Seller affiliation or sponsorship was not established in the body. Posts by the same author count as one observer.

    카페 내부 검색 후 사용기 본문 직접 열람. EA500용 필터 부착 + AZLA Crystal 2 팁 + Black Widow XL 케이블 사용. 소스·음량 미기재. 개조 전후에 대한 통제 측정 없음.

    The stock-related comments describe strong treble, somewhat limited bass and a smaller headroom impression. Satisfaction improves in a modified setup using an EA500 filter, Crystal 2 tips and an aftermarket cable. That modified experience is kept separate from claims about the stock tuning or technical performance.

    Original setup and disclosure (Korean)

    EA500용 필터 부착 + AZLA Crystal 2 팁 + Black Widow XL 케이블 사용. 소스·음량 미기재. 개조 전후에 대한 통제 측정 없음. · 닥터헤드폰 회원의 직접 구매·보유·청취 감상; 본문에 판매처 소속·협찬 고지 확인되지 않음. 같은 작성자의 다른 게시물은 한 관찰자로 계산.

  • 19 19. jreqtech.blogspot.com · Original source ↗ · jreqtech.blogspot.comReference
    Source notes

    JReq Tech — A Casual’s Review of the Kefine Klean SV

    기본 은색 노즐·어두운 회색 소형팁에서 과하지 않고 정돈된 저음, 자연스러운 몸통의 보컬과 순한 고음을 보고합니다. 금색은 상중고역을 약간 높이고 검정은 더 부드럽습니다. 기본 3.5mm 번들이나 주 청취는 제공 4.4mm 케이블입니다. 기존 균형형 판단을 보강합니다.

    Kefine provided sample and optional cable; no claimed original-Klean direct A/B. New author vs existing sources.

    full_original_written_review_supplement_not_video

  • 20 Search scope and exclusions ↗Reference
  • 21 Full Naver review scope ↗Reference

YouTube videos for this product

20 items

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