Design and model identity
Wood Edition shells and faceplates; distinguish finish variants.
ODA Helios D100
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Product information
At a glance
Emphasis: Bass emphasisTimbre: Warm toneListening: Rhythm and impact
A candidate for listeners seeking bass weight and impact, warmth and body and rhythmic, energetic listening.
Technical / Musical 85 / 91Retained editorial scores5 Source recordsSignature evidence · HighPrice 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 ↗Core product facts
- Release month
- 2025-07
- Driver configuration
- 1DD (10mm Dynamic)
- Impedance
- 16Ω
- Earpiece connector
- 0.78mm 2-pin
- Stock plug
- 4.4mm balanced
- Catalogue reference · KRW
- ₩391,720USD 284.00
- Emphasis · timbre
- Emphasis: Bass emphasis · Timbre: Warm tone
A recorded reference amount, not a live lowest price.
Basic specifications
Specifications retained from product records; missing values are not estimated. Korean source wording is preserved where no verified translation exists.
| Driver configuration | 1DD (10mm Dynamic) |
|---|---|
| Impedance | 16Ω |
| Sensitivity | 112 dB SPL/mW stated |
| Weight and scope | No established value in the checked records. Value not established · checked source ↗ · audioreviews.org |
| Nozzle diameter | No established value in the checked records. Value not established · checked source ↗ · audioreviews.org |
| Included accessories | Package inventory unverified; confirm the selected retail package. |
| Cable conductor / material | Silver-plated copper |
| Cable cores / braid | 4 cores |
| Cable length | No established value in the checked records. Value not established · checked source ↗ · audioreviews.org |
| Earpiece connector | 0.78mm 2-pin |
| Source plug | 4.4mm balanced |
Retained product source ↗ · audioreviews.org · 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.
The full included-accessory list is not verified. Aftermarket listening cables are not counted as stock accessories.
ODA Helios D100 기존 제품 자료 ↗ · audioreviews.orgPrice and release evidence
A recorded reference for catalogue sorting and filters, not a current checkout price.
Catalogue reference · KRW
Historical source for the KRW reference not secured
₩391,720
Retained USD reference. The current regular AliExpress price for the same option has not been verified.
Reference conversion: US$284 × ₩1379.3/USD → ₩391,720 · 2025-07 monthly rate
The original product-price URL was not retained for this reference amount. A general product page or an exchange-rate page is not proof of that exact selling price.
Exchange-rate data only ↗ · fred.stlouisfed.org
Pricing record date: 2026-10-10
This is the registered reference price, not a live lowest-price quote. Option, shipping, tax, coupons and exchange-rate rounding may differ.
Driver and design evidence
1DD (10mm Dynamic)
Recorded model / design notes (original language): Wood Edition 기준 셸과 페이스플레이트는 목재이며 0.78mm 2핀을 사용합니다. 다른 마감 버전의 자료와 구분합니다.
Product specifications / model-specific reference ↗ · audioreviews.org
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.
Wood Edition shells and faceplates; distinguish finish variants.
A 10mm single DD in the wood-shell Helios D100. Frequency emphasis and timbre are listed separately.
Representative character: Rhythm and impact
2ann quick note
Author sign-inLoading note…
Sound, assessment & measurements
Technical evaluation 85 / 100
Bass86
Mids88
Treble83
Spatial presentation81
Evidence behind the technical assessment
Treble presentation: Gentle upper treble with some upper-mid presence. ↗
Stage and separation: Reasonable width but limited depth and busy-track separation. ↗
Read sources and disagreements ↗Musical enjoyment 91 / 100
Natural timbre95
Emotional expression93
Immersion91
Rhythm and dynamics87
Vocal and instrumental liveliness93
Long-session comfort95
Evidence behind musical enjoyment
Bass character: Abundant bass with soft, lingering decay. ↗
Vocals and mids: Warm vocals can remain close, but dense arrangements may blur them. ↗
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
Weight, impact and rhythmic energy are the main listening attractions. 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. Abundant bass with soft, lingering decay. Overall timbre: Warm tone. These are separate representative axes; fit, nozzle settings and contrary accounts remain in the reviewed evidence.
Differences by listening conditions: Vocal distance and upper-range brightness differ; mid-bass emphasis must be distinguished from deep sub-bass.
Concise English summaries distinguish product specifications, reviewed listening impressions and practical advice. Original source notes remain available below.
Bass quantity and texture
Abundant bass with soft, lingering decay.
Vocal placement and midrange
Warm vocals can remain close, but dense arrangements may blur them.
Treble and fatigue
Gentle upper treble with some upper-mid presence.
Stage, separation and imaging
Reasonable width but limited depth and busy-track separation.
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.
Sonic Mantra — ODA Helios D100 Review ↗ — 풍부하고 따뜻한 저음과 보컬을 강조하면서 느린 저음 잔향과 제한적인 세부 표현을 지적.
Audioreviews — ODA HELIOS D100 Wood Edition ↗ — 강한 초저음과 순한 위쪽 고역, 낮은 고역의 존재감을 가진 V자 성향으로 설명.
Listening suggestions and selection points
Start with rhythm-driven electronic music, hip-hop or rock. Compare the satisfaction of kick and bass impact with how much room remains for voices as bass notes overlap.
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.
How to choose this product
Preferences that match
- bass weight and impact · warmth and body
- rhythmic, energetic 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.
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: 4.4mm balanced
- Cable length: No established value in the checked records. Value not established · checked source ↗
- Impedance: 16Ω
- Sensitivity: 112 dB SPL/mW stated
Included accessories
- Included accessories: Package inventory unverified; confirm the selected retail package.
- Cable conductor / material: Silver-plated copper
- Cable cores / braid: 4 cores
Frequency-response graph
MeasurementSource notes
Reading limits
Public numerical data describe this sample and setup, not all production variation. 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.
Evidence at a glance
Registered source records
5
May include specifications, retail pages, reviews and notes. This is not a count of independent listening reviewers.
Specifications and sourcesMeasurement curve
Registered
Different fixtures, tips and insertion depths are not a controlled comparison. Check the recorded conditions.
Specifications and sourcesProduct video links
8
Link count is not a watched-video count. Each link states whether metadata, captions or scenes were checked.
Specifications and sourcesAssessment status
Retained editorial assessment
Signature evidence and certainty of the score are separate.
Specifications and sourcesHome / Bass emphasis / Helios D100
Reviewed reviews
Listening review 4 · All records 7Listening review 4 · Reference 3
- 1 1. sonicmantra.org · Original source ↗ · sonicmantra.orgListening reviewSource notes
Sonic Mantra — ODA Helios D100 Review
풍부하고 따뜻한 저음과 보컬을 강조하면서 느린 저음 잔향과 제한적인 세부 표현을 지적.
- 2 2. www.audioreviews.org · Original source ↗ · audioreviews.orgListening reviewSource notes
Audioreviews — ODA HELIOS D100 Wood Edition
강한 초저음과 순한 위쪽 고역, 낮은 고역의 존재감을 가진 V자 성향으로 설명.
- 3 3. kagrraiemreview.hatenablog.com · Original source ↗ · kagrraiemreview.hatenablog.comListening reviewSource notes
Ka**ra — ODA Helios D100 Review
두꺼운 저음과 아날로그적인 몰입감을 강조.
Relationship classification retained from the reviewed record
- 4 4. trefle-lab.com · Original source ↗ · trefle-lab.comListening reviewSource notes
ODA Helios D100 レビュー — 木製ハウジングの美しさと音楽的サウンド
풍부하고 따뜻한 저음, 앞에 나오는 보컬, 자극을 억제한 고역. 복잡한 곡에서 비슷한 악기가 뭉칠 수 있고 좌우 폭에 비해 깊이/높이가 부족하며 해상도는 표준 수준이라고 평가.
광고 포함 표기; 이 제품의 구매/대여/제공 방식 명시를 본문에서 확인하지 못함
광고 포함 표기; 이 제품의 구매/대여/제공 방식 명시를 본문에서 확인하지 못함
- 5 5. cafe.naver.com · Original source ↗ · cafe.naver.comReferenceSource notes
닥터헤드폰 · 우드인데 1DD! - ODA 헬리오스
극저음보다 풍성한 중저음과 살짝 뒤에 있는 깨끗한 중역, 화사한 고음을 묘사한다. 고음 강조가 치찰음까지는 아니지만 밝게 들려 취향을 탈 수 있다. 무대가 매우 넓지는 않으며, 헤스페루스보다 저음이 크지만 해상도·입체 표현은 약하다고 한다.
내돈내산 자유로운 후기 명시
카페 내부 검색 후 사용기 본문 직접 열람. 기본케이블·바로크팁사용명시. 본문의스탯차트는주관양감도이며FR측정이아님. 우드/드라이버에대한인과추측은채택안함.
Self-purchased; stock cable/Baroque tips. Mid-bass and treble emphasis, slightly recessed vocals, bright tone. Notes treble preference differences and lower resolution/depth than Hesperus. Subjective stat graphic is not a measurement.
2026-10-26Helios emphasises mid-bass over sub-bass, with clean, slightly recessed mids and bright treble. The upper range is not perceived as sibilant but can divide preferences. Space is not expansive; versus Hesperus, bass is stronger but resolution and layering are weaker.
Original setup and disclosure (Korean)기본케이블·바로크팁사용명시. 본문의스탯차트는주관양감도이며FR측정이아님. 우드/드라이버에대한인과추측은채택안함. · 내돈내산 자유로운 후기 명시
- 6 Search scope and exclusions ↗Reference
- 7 Full Naver review scope ↗Reference
YouTube videos for this product
8 itemsVerification level: A registered link does not mean completed audiovisual analysis. Check the scope on each video.
- 1 한국형 수제 우드 이어폰 2탄? ODA x 더그랩사운드 Helios (Korea Edition) ↗Metadata checked · audiovisual analysis incomplete
- 2 ODA - Helios ↗Metadata checked · audiovisual analysis incomplete
- 3 上位1DDの深み。分厚い木の低音と、抜ける木の高音。One dot audio Heliosレビュー ↗Metadata checked · audiovisual analysis incomplete
- 4 This $284 Wooden IEM Actually Sounds Expensive | ODA Helios D100 Review ↗Metadata checked · audiovisual analysis incomplete
- 5 One Dot Audio Helios D100 - Musical is what Musical Does ↗Metadata checked · audiovisual analysis incomplete
- 6 One Dot Audio D100 Helios: Breathtakingly Musical!!!! ↗Metadata checked · audiovisual analysis incomplete
- 7 One Dot Audio Helios D100 & Hesperus A300 ↗Metadata checked · audiovisual analysis incomplete
- 8 Upcoming Reviews : ODA D100, Tea PRO, AM16, Vermilion, Arc Sonic MK10, Simgot DSP, VC RAN ↗Metadata checked · audiovisual analysis incomplete