2annIEM COLLECTIONDates shown per source · Layout 2026.10.26

EarAcoustic Audio STA-Hi End MAX

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Product information

At a glance

Emphasis: Treble emphasisTimbre: Bright toneListening: Clarity and detail

A candidate for listeners seeking treble definition and sparkle, a bright, open tone and examining instrumental outlines and small details.

Technical / Musical 83 / 88Retained editorial scores7 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

Driver configuration
2DD (10mm DLC + 6mm Composite)
Impedance
30Ω
Earpiece connector
0.78 mm 2-pin
Stock plug
3.5mm
Catalogue reference · KRW
₩145,689USD 99.90

A recorded reference amount, not a live lowest price.

EarAcoustic Audio STA-Hi End MAX 유닛

Photo source: www.itohya.jp

Basic specifications

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

Driver configuration2DD (10mm DLC + 6mm Composite)
Impedance30Ω
Sensitivity110 dB stated; reference unspecified
Weight and scopeNo established value in the checked records. Value not established · checked source ↗ · itohya.jp
Nozzle diameterNo established value in the checked records. Value not established · checked source ↗ · itohya.jp
Included accessories
  • 1 pair of earphones
  • 1 stock cable
  • 2 silicone-tip types, one pair each in S/M/L; 6 pairs total
  • 1 portable case
  • 1 user manual
Cable conductor / materialOFC + silver-plated OFC Litz
Cable cores / braidNo established value in the checked records. Value not established · checked source ↗ · itohya.jp
Cable length1.2 ±0.2 m · review specificationSpecification source ↗ · head-fi.org
Earpiece connector0.78 mm 2-pin
Source plug3.5mm

Retained product source ↗ · itohya.jp · 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.

일본 정식유통 패키지 기준입니다.

EarAcoustic Audio STA-Hi End MAX · 기존 제품 자료 ↗ · itohya.jp伊藤屋国際 · STA-Hi End MAX 공식 유통 구성 ↗ · itohya.jp
Price and release evidence
Driver and design evidence

2DD (10mm DLC + 6mm Composite)

Recorded model / design notes (original language): 은색 도금 마감의 수지 캐비티와 기념 문양 페이스플레이트가 안내됩니다. 금속처럼 보이는 외관을 통금속 셸로 해석하지 않습니다.

Product specifications / model-specific reference ↗ · itohya.jp

Additional product reference: 드디어 무림에 모습을 드러낸 은둔 고수, EarAcoustic Audio IEM 7종 · schezade.co.kr

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.

Silver-finished resin cavity, not an all-metal shell.

A dual-DD design using a 10mm DLC unit and 6mm composite unit. Frequency emphasis and timbre are listed separately.

Representative character: Clarity and detail

2ann quick note

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Sound, assessment & measurements

Technical evaluation 83 / 100

Evidence behind the technical assessment

Treble presentation: Detailed and extended; fatigue reports conflict. ↗

Stage and separation: Width varies from ordinary or cramped to expansive. ↗

Read sources and disagreements ↗

Musical enjoyment 88 / 100

Evidence behind musical enjoyment

Bass character: Full, reasonably tight impact. ↗

Vocals and mids: Clear voices; lower male vocals may thin or recede. ↗

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

Definition, separation and openness attract attention. This is not a technical grade or a claim of measured accuracy. This editorial browsing category is drawn from retained model-specific reviews; it does not exclude other listening uses.

Similar listening character ↗

Differences by listening conditions: A Japanese owner hears warm, near-flat balance and another domestic account hears even balance, limiting confidence.

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

Design and model identity

Silver-finished resin cavity, not an all-metal shell.

Source ↗

Bass quantity and texture

Full, reasonably tight impact.

Vocal placement and midrange

Clear voices; lower male vocals may thin or recede.

Treble and fatigue

Detailed and extended; fatigue reports conflict.

Stage, separation and imaging

Width varies from ordinary or cramped to expansive.

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.

드디어 무림에 모습을 드러낸 은둔 고수, EarAcoustic Audio IEM 7종 ↗ — STA-ProMAX와 정확히 구별하여 STA-HiEndMAX는 고음과 위쪽 공간에 초점을 둔다고 평가. 두 STA 모델은 팝의 신나는 다이내믹 표현을 선호하며 악기가 많지 않은 곡에 잘 맞는다고 서술. 넓은구경 팁은 자연스럽게 풀고 좁은구경은 집중/임팩트를 준다고 평가.

Listening suggestions and selection points

Try layered cymbals, strings or electronic effects if fine detail is a priority. Consider both intelligibility and fatigue on forceful recordings before equating brightness with resolution.

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

  • treble definition and sparkle · a bright, open tone
  • examining instrumental outlines and small details

Consider alternatives first if you prefer

  • a subdued top end ahead of treble presence
  • a thicker, more subdued tone ahead of brightness

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.

SIMGOT EA500LM

Candidate treble observation: Lively and potentially tiring; some listeners find it smoother than original EA500.Read the observation source ↗

Shared classification: treble definition and sparkle · a bright, open tone

Driver configuration: 1DD (10mm Lithium-Magnesium, 2nd-gen Dual-Magnet & Dual-Cavity)

Compare the pair

AFUL Performer 7

Candidate treble observation: Clear and lively highs draw praise, while one cafe listener hears uneven, artificial high-frequency transitions with a HiBy R4 and an aftermarket cable.Read the observation source ↗

Shared classification: treble definition and sparkle · examining instrumental outlines and small details

Different classification: Timbre: a bright, open tone → a tone not classified as especially warm or bright

Driver configuration: 2DD + 4BA + 1 Micro-Planar

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: 0.78 mm 2-pin
  • Source plug: 3.5mm
  • Cable length: 1.2 ±0.2 m · review specificationSpecification source ↗
  • Impedance: 30Ω
  • Sensitivity: 110 dB stated; reference unspecified
Specifications and sources

Included accessories

  • Included accessories: 1 pair of earphones1 stock cable2 silicone-tip types, one pair each in S/M/L; 6 pairs total1 portable case1 user manual
  • Cable conductor / material: OFC + silver-plated OFC Litz
  • Cable cores / braid: No established value in the checked records. Value not established · checked source ↗
Specifications and sources

Frequency-response graph

Measurement
EarAcoustic Audio STA-Hi End MAX 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
Redrawn from public numerical data · Normalized at 1 kHz · Checked 2026-10-07좌우 평균·1/12옥타브 스무딩·팁 조건 미명시출처: TechieFelixLP ↗Results vary with measurement equipment, tips and fit. Treat results above 8 kHz as indicative.
해석 범위

공개 수치도 이 측정 샘플과 조건에 한정하며 제품 전체의 편차를 대표하지 않습니다. 밀폐·팁·노즐/필터·삽입·장비가 달라지면 모양이 달라집니다. 저음 속도·자연스러운 음색·해상도·분리·공간은 이 주파수 응답 하나로 증명하지 않습니다.

Evidence at a glance

Reviewed reviews

Listening review 4 · All records 9

Listening review 4 · Reference 5

  • 1 1. trefle-lab.com · Original source ↗ · trefle-lab.comListening review
    Source notes

    Tre****Lab – STA HiEnd Max

    완만한 U형, 풍부하고 탄력 있는 저음과 둥근 고음, 넓은 공간.

    Relationship classification retained from the reviewed record

  • 2 2. sonicmantra.org · Original source ↗ · sonicmantra.orgListening review
    Source notes

    Sonic Mantra MotherX1 – STA Hi-End Max

    V형, 강한 중저음·후퇴한 보컬, 고음 자극과 좁은 공간을 지적.

  • 3 3. www.reddit.com · Original source ↗ · reddit.comListening review
    Source notes

    Reddit – STA Hi End Max balanced bright

    균형 있고 밝지만 소리지르지 않는 소리, 저음의 양감과 공간감을 긍정 평가.

  • 4 4. best.pconline.com.cn · Original source ↗ · best.pconline.com.cnReference
    Source notes

    高解析+监听+乐感三位一体！丽弦STA-Hi End MAX双动圈简评

    여러 동글/플레이어로 듣고 Shanling M5 Ultra를 선호. 밝고 투명하지만 초기 TFZ처럼 날카롭지 않으며, 저음은 깊이/탄성은 보통이나 응집되고 강한 드럼과 두께가 있다. 중역은 자연스러운 몸통, 고음은 밝고 매끄러운 확장/디테일로 평가. IE40Pro와 소편성 바이올린 비교 청취 명시.

    본문에 제품제공/자비구매 명시 없음: 관계 미공개; 상품링크 포함

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

    드디어 무림에 모습을 드러낸 은둔 고수, EarAcoustic Audio IEM 7종

    STA-ProMAX와 정확히 구별하여 STA-HiEndMAX는 고음과 위쪽 공간에 초점을 둔다고 평가. 두 STA 모델은 팝의 신나는 다이내믹 표현을 선호하며 악기가 많지 않은 곡에 잘 맞는다고 서술. 넓은구경 팁은 자연스럽게 풀고 좁은구경은 집중/임팩트를 준다고 평가.

    상업 판매처 프리미엄 리뷰; 이번 본문에서 비용/제공 명시 확인 못함: 관계 미공개

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

    EarAcoustic 이어폰 6종 간단 청음기

    정확 STA HI-END MAX 항목에서 좌우폭 넓고 고른 톤밸런스, 저음이 조금 더 있으면 좋겠다는 인상. SPA/STA-Pro와 구분한 짧은 청음이라 장기기술등급 변경에는 부족.

    제공·구매 미공개; 청음 후 구매 고민 문맥

    Naver source body read directly

    Only the STA HI-END MAX passage in a six-model comparison is used: broad left/right space, even balance and a preference for more bass. Not mixed with SPA MAX CV.

    2026-10-25
  • 7 7. okometaberowww.hatenablog.com · Original source ↗ · okometaberowww.hatenablog.comReference
    Source notes

    EarAcoustic Audio STA-HiEnd MAX レビュー

    따뜻하고 평탄에 가까운 인상과 보통 무대, 힘 있는 저음·매끈한 연결·세밀한 고음을 평가. 낮은 남성보컬은 복잡곡에 얇고 가려질 수 있음. 기존 밝은 V형 합의의 반례.

    구매·제공 관계 해당 본문 미확인

    full_body; turn687view0; 정확 STA-HiEnd MAX, SHANLING UA1 Plus·기본 팁; SPA/STA-Pro 별도 비교

    구매·제공 관계 해당 본문 미확인

  • 8 검색 범위와 제외 자료 보기 ↗Reference
  • 9 Full Naver review scope ↗Reference

YouTube videos for this product

7 items

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