Thieaudio Oracle MKIII and Hisenior Mega5-EST use 2DD+2BA+2EST and 1DD+2BA+2EST driver setups respectively. Thieaudio Oracle MKIII costs $589 while Hisenior Mega5-EST costs $549. Thieaudio Oracle MKIII is $40 more expensive. Hisenior Mega5-EST holds a slight 0.2-point edge in reviewer scores (7.7 vs 7.9). Hisenior Mega5-EST has significantly better bass with a 1.4-point edge, Hisenior Mega5-EST has significantly better treble with a 1.5-point edge, Hisenior Mega5-EST has slightly better dynamics with a 0.3-point edge, Hisenior Mega5-EST has significantly better soundstage with a 1.2-point edge and Hisenior Mega5-EST has slightly better imaging with a 0.3-point edge.
Insights
Metric | Thieaudio Oracle MKIII | Hisenior Mega5-EST |
---|---|---|
Bass | 6.5 | 7.9 |
Mids | 7.3 | 7.6 |
Treble | 6.5 | 8 |
Details | 7.5 | 7.4 |
Soundstage | 7 | 8.2 |
Imaging | 7.3 | 7.6 |
Dynamics | 6.5 | 6.8 |
Tonality | 7.3 | 7.9 |
Technicalities | 7.4 | 7.6 |
Thieaudio Oracle MKIII Aggregated Review Score
Average Reviewer Scores
Hisenior Mega5-EST Aggregated Review Score
Average Reviewer Scores
Thieaudio Oracle MKIII Details
Driver Configuration: 2DD+2BA+2EST
Tuning Type: Neutral with bass boost
Brand: ThieAudio Top ThieAudio IEMs
Price (Msrp): $589
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Hisenior Mega5-EST Details
Driver Configuration: 1DD+2BA+2EST
Tuning Type: Neutral with bass boost
Brand: Hisenior Top Hisenior IEMs
Price (Msrp): $549
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Thieaudio Oracle MKIII User Review Score
Average User Scores
Average User Score: n/a
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Hisenior Mega5-EST User Review Score
Average User Scores
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Thieaudio Oracle MKIII Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.1Gaming Grade
A-Hisenior Mega5-EST Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.2Gaming Grade
A-Thieaudio Oracle MKIII Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.
Average Technical Grade
A-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Hisenior Mega5-EST Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
Thieaudio Oracle MKIII Reviews
It's like a Pilgrim OG with EST. It's kinda cool. Jaytiss Youtube Channel
A step in the right direction compared to mk2. I like this as much as the mk1. Solid all-rounder, good sense of separation.Super* Review original ranking
Super* Review Youtube Channel
Great bass texture, much better than predecessors, smooth and slightly airy giving it a sizzly timbre, great layering/separation, vocals are slightly laid back but not gone, very balanced across frequencies, monitor like, great all-rounder, and pretty safe - although not very dynamic and "fun". Azla clear tips gives a detail boost. Jays Audio Youtube Channel
Midrange has a tinge of warmth, likely from the greater emphasis in lower mids Bass definition and treble remains unrefined as with the Hype 2 and Hype 4
Pretty detailed but sounds incoherent, particularly in the treble, which also seems exaggerated in a bad way. Precogvision Youtube Channel
Stronger in Fortnite and COD vs other titlesFresh Reviews original ranking
Fresh Reviews Youtube Channel
IEMRanking AI
2025-07-06
The ThieAudio Oracle MKIII presents a divisive tonal character that splits listener opinions. Its bass response, driven by dual dynamic drivers in an IMPACT2 subwoofer configuration, offers textured sub-bass rumble but some find mid-bass impact lacking resolution and physical slam. The treble performance proves particularly contentious, with Sonion EST drivers delivering exceptional air and extension for some, while others perceive it as unnatural or tinny due to peaks around 6kHz and coherency challenges between driver types.
Technically, the MKIII excels in spacious staging and precise instrument separation, creating a holographic presentation that rivals open-back headphones. The midrange maintains good clarity with natural timbre, though vocal positioning leans spacious rather than intimate. Comfort proves excellent for medium-to-large ears due to its ergonomic resin shells, but the size may challenge those with smaller ear anatomy.
Hisenior Mega5-EST Reviews
If you get the good tuning, this is way higher. Jaytiss Youtube Channel
Exceptionally tuned across the board Could use more "wow" and details Tim Tuned Youtube Channel
Incredibly well tuned IEM that sounds very natural across all frequencies. Nothing inoffensive with good technical chops. Stage is not vast - but it is natural and has depth. Bass is full but it is very much on the pillowy side. Mids are natural sounding and clear. Vocals are lush. Instruments sound as they should - timbre is very, very natural - this dethrones Supernova as timbre king IMO. Imaging is pretty decent with decent separation. Decently detailed sounding. Incredibly pleasant to listen to and never fatiguing. Very smooth sound overall. Held back by markedly blunted transients and lack of dynamics that can sometimes make things sound softer than I like as far as attack/incisiveness goes. A great all-rounder. Previously Owned
A "plain water" type sound signature with a bass boost. Great tuning, neutral with bass boost, smooth, safe, and balanced. Could use more detail, incisiveness, and excitement.Gizaudio Axel original ranking
Gizaudio Axel Youtube Channel
Fantastic tuning.. it really does not get better. Technical performance could be better.Super* Review original ranking
Super* Review Youtube Channel
Bass layering, treble detail are excellent; midrange leans neutral and focuses on clarity over musicality It is not for people who seek addictive midrange or musical presentation
New unit is better tuned/balanced, smooth, good all-rounder, and sounds like adjusted diffusefield. Jays Audio Youtube Channel
Well-tuned and great techs at this price point. Lacks dynamics and the mids are a little lean. Otherwise a great all-rounder.
Very bouncy bass but midrange sounds sucked out and has some oddity. Original sounds more coherent even if less exciting/detailed. Precogvision Youtube Channel
IEMRanking AI
2025-09-02
The Hisenior Mega5-EST is a tribrid with a 5-driver array—1DD+2BA+2EST—using a four-way network and triple bores; published specs list ~25 Ω impedance and ~105 dB sensitivity, making it easy to drive from portable sources. Street pricing for the current universal “7th Anniversary” version sits around $549 USD. Source: driver/config & specs (Hisenior) and pricing (HiFiGo) .
Tonally it leans neutral with a sub-bass lift, with a relatively relaxed upper-mid/low-treble region that favors smoothness over bite; ESTs add air without excessive sharpness. Measurements and listening notes describe a calm take versus Harman with noticeable sub-bass emphasis, plus an 11–12 kHz sparkle that keeps things from sounding too soft. References: tuning commentary and FR behavior (Headphones.com) , “calm vs Harman” with sub-bass note (Boizoff) , and FR graph (Squiglink) .
Technicalities are solid but not class-leading for the price: staging and imaging are tidy, separation is clean, while micro-detail and incisiveness are more “easy-listening” than analytical. Reviewers highlight good layering and coherency yet note that resolution “edge definition” and excitement could be higher at this tier. Sources: technical impressions (Headphones.com) and general performance notes (Headfonia) .
Thieaudio Oracle MKIII User Reviews
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