Thieaudio Oracle and Hisenior Mega5-EST are 1DD+2BA+2EST in-ear monitors. Thieaudio Oracle costs $540 while Hisenior Mega5-EST costs $549. Hisenior Mega5-EST is $9 more expensive. Hisenior Mega5-EST holds a clear 0.8-point edge in reviewer scores (7.1 vs 7.9). Hisenior Mega5-EST has significantly better bass with a 1.3-point edge, Hisenior Mega5-EST has significantly better treble with a 1.2-point edge, Hisenior Mega5-EST has significantly better dynamics with a 1.8-point edge, Hisenior Mega5-EST has significantly better soundstage with a 1.2-point edge, Hisenior Mega5-EST has significantly better details with a 1.2-point edge and Hisenior Mega5-EST has significantly better imaging with a 1.7-point edge.
Insights
Metric | Thieaudio Oracle | Hisenior Mega5-EST |
---|---|---|
Bass | 6.6 | 7.9 |
Mids | 7.6 | 7.6 |
Treble | 6.8 | 8 |
Details | 6.2 | 7.4 |
Soundstage | 7 | 8.2 |
Imaging | 5.8 | 7.6 |
Dynamics | 5 | 6.8 |
Tonality | 7.4 | 7.9 |
Technicalities | 6.7 | 7.6 |
Thieaudio Oracle Aggregated Review Score
Average Reviewer Scores
Hisenior Mega5-EST Aggregated Review Score
Average Reviewer Scores
Thieaudio Oracle Details
Driver Configuration: 1DD+2BA+2EST
Tuning Type: Bright neutral
Price (Msrp): $540
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Hisenior Mega5-EST Details
Driver Configuration: 1DD+2BA+2EST
Tuning Type: Neutral with bass boost
Price (Msrp): $549
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Thieaudio Oracle 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 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.4Gaming Grade
BHisenior 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 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
B+- Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
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 Reviews
Tuning so good it melts your soul (kinda) treble wispiness + slight incoherent Tim Tuned Youtube Channel
Love the tuning. Very neutral set with sparkly treble but never unpleasant. Techs are decent but not standout. Timbre and tonality on this set are really great. Mids are great, and vocals are lush. Unfortunately, these are discontinued and harder to find these days. Previously Owned
Amazing airy and relaxing vocals. Sweet and gentle presentation. Clean, clear vocals - could be too balanced tho. Great separation, but stage size could be better. Jays Audio Youtube Channel
Functionally similar to the Clairvoyance with slight cutbacks in overall clarity and resolution. Crin Youtube Channel
Great iem for what it is. Really impressive. Jaytiss Youtube Channel
Comment: A miniature Monarch. Balanced sounding with good detail retrieval
Great vocals, very lean tuning. Not very technical for the price.
Pleasant tonality, but low-level detailing and compression. Precogvision Youtube Channel
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) .
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