I/O Volare VS Hisenior Mega5-EST

IEM Comparison: Expert & Community Scores Side-by-Side

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I/O Volare and Hisenior Mega5-EST use 1DD+4BA+4EST and 1DD+2BA+2EST driver setups respectively. I/O Volare costs $600 while Hisenior Mega5-EST costs $549. I/O Volare is $51 more expensive. Hisenior Mega5-EST holds a decisive 1-point edge in reviewer scores (7 vs 7.9). Hisenior Mega5-EST has slightly better bass with a 0.4-point edge, Hisenior Mega5-EST has better mids with a 0.6-point edge, Hisenior Mega5-EST has significantly better treble with a 1.8-point edge, Hisenior Mega5-EST has significantly better dynamics with a 1.8-point edge, Hisenior Mega5-EST has better soundstage with a 0.9-point edge, I/O Volare has better details with a 0.6-point edge and I/O Volare has better imaging with a 0.5-point edge.

Insights

Metric I/O Volare Hisenior Mega5-EST
Bass 7.5 7.9
Mids 7 7.6
Treble 6.3 8
Details 8 7.4
Soundstage 7.3 8.2
Imaging 8 7.6
Dynamics 5 6.8
Tonality 7.2 7.9
Technicalities 6.9 7.6

I/O Volare Aggregated Review Score

Average Reviewer Scores

Fresh Reviews
Jaytiss Super* Review
Shuwa-T Jays Audio

Average Reviewer Score:

7

Cautiously Favorable


Hisenior Mega5-EST Aggregated Review Score

Average Reviewer Scores

Fresh Reviews
Precogvision
Shuwa-T Jays Audio Smirk Audio
Jaytiss Tim Tuned Audionotions Gizaudio Axel Super* Review IEMRanking AI
Z-Reviews

Average Reviewer Score:

7.9

Strongly Favorable


I/O Volare User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Hisenior Mega5-EST User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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I/O Volare Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

6

Gaming Grade

B

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

7.2

Gaming Grade

A-

I/O Volare 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.
Bass A
Strong, well-defined bass with good texture. Delivers satisfying punch and rumble without overwhelming other frequencies.
Mids A-
Excellent midrange with natural timbre and great detail retrieval. Vocals are forward and emotive with lifelike instrument reproduction.
Treble B
Good treble response - clear and detailed without fatigue. Well-extended with proper air and sparkle.
Dynamics C+
Decent dynamic performance. Good macro-contrast but micro-dynamics could be more nuanced. Satisfactory impact.
Soundstage A-
Excellent spatial presentation - wide, deep and tall. Precise instrument placement with clear separation in all dimensions.
Details A+
Exceptional resolution that uncovers the deepest layers. Retrieves even the most minute details while maintaining natural timbre.
Imaging A+
Exceptional imaging with holographic precision. Creates a palpable sense of physical placement with perfect positional stability.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues. Bad value-to-cost for gaming purpose - not recommended

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.
Bass A
Strong, well-defined bass with good texture. Delivers satisfying punch and rumble without overwhelming other frequencies.
Mids A
Excellent midrange with natural timbre and great detail retrieval. Vocals are forward and emotive with lifelike instrument reproduction.
Treble A+
Superb treble: effortless extension with crystal clarity. Perfect balance of sparkle and smoothness with exceptional detail.
Dynamics B+
Good dynamic expression with solid impact. Handles volume contrasts well while maintaining good transient snap.
Soundstage A+
Exceptional soundstage with holographic imaging. Creates a truly three-dimensional space where instruments float naturally around you.
Details A-
Excellent detail retrieval: highly resolving without being clinical. Effortlessly reveals micro-details and textural subtleties.
Imaging A
Excellent imaging: precise and stable placement. Instruments occupy specific points in space with tangible positions.
Gaming A-
Good fundamental spatial awareness for most gaming scenarios. Handles basic positioning well but may lack nuance in complex situations. Bad value-to-cost for gaming purpose - not recommended

I/O Volare Reviews

Reviewed by: Shuwa-T

Shuwa-T 7.6 Reviewer Score
A- Tuning
A Tech
Balanced subbass-focused tuning that borders the fine line between technical and boring, well extended treble that remains free of sibilance The lower midrange does not sound the most natural despite how funny squiggly lines look

Shuwa-T original ranking

Shuwa-T Website

Bass: A Mids: A- Treble: A Soundstage: A Details: A+ Imaging: A+

Reviewed by: Jays Audio

Jays Audio 7.5 Reviewer Score
S- Tuning
A+ Tech
Best Harman IEM under $600 (my unit is less harman), smooth and natural, great layering and tech, bass texture could be better/not as good as Oracle MK3, but overall very balanced and great all-rounder, also, amazing unboxing and accessories

Jays Audio original ranking

Jays Audio Youtube Channel

Reviewed by: Jaytiss

Jaytiss 6.8 Reviewer Score
B- Tuning
C+ Tech
Nice overall quality.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A- Treble: C+ Dynamics: C+ Soundstage: A-

Reviewed by: Super* Review

Super* Review 6* * score normalized
If you are looking for the most bang for your buck in terms of the costs of materials - this is it. But not the most interesting sound.

Super* Review original ranking

Super* Review Youtube Channel

Reviewed by: Fresh Reviews

Fresh Reviews 5* * The score of this reviewer influences only the Gaming Score

Hisenior Mega5-EST Reviews

Reviewed by: Z-Reviews

Z-Reviews 9 * score normalized
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Price: $549

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Reviewed by: Jaytiss

Jaytiss 8.6 Reviewer Score
A Tuning
A+ Tech
If you get the good tuning, this is way higher.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A+ Treble: A+ Dynamics: B Soundstage: S-

Reviewed by: Tim Tuned

Tim Tuned 8.5 Reviewer Score
S- Tuning
A+ Tech
Exceptionally tuned across the board Could use more "wow" and details

Tim Tuned original ranking

Tim Tuned Youtube Channel
Bass: S Mids: S Treble: S

Reviewed by: Audionotions

Audionotions 8 Reviewer Score
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

Audionotions original ranking

Website (Audionotions)

Reviewed by: Gizaudio Axel

Gizaudio Axel 8 Reviewer Score
A+ Tuning
A- Tech
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

Reviewed by: Super* Review

Super* Review 8* * score normalized
Fantastic tuning.. it really does not get better. Technical performance could be better.

Super* Review original ranking

Super* Review Youtube Channel

Reviewed by: Shuwa-T

Shuwa-T 7.9 Reviewer Score
A Tuning
A+ Tech
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

Shuwa-T original ranking

Shuwa-T Website

Bass: A+ Mids: A- Treble: S- Soundstage: A+ Details: A+ Imaging: A+

Reviewed by: Jays Audio

Jays Audio 7.5 Reviewer Score
S- Tuning
A+ Tech
New unit is better tuned/balanced, smooth, good all-rounder, and sounds like adjusted diffusefield.

Jays Audio original ranking

Jays Audio Youtube Channel

Reviewed by: Smirk Audio

Smirk Audio 7 Reviewer Score
A- Tuning
B+ Tech
Well-tuned and great techs at this price point. Lacks dynamics and the mids are a little lean. Otherwise a great all-rounder.

Smirk Audio original ranking

Smirk Audio Head-Fi Profile

Bass: A- Mids: A Treble: A Dynamics: B+ Details: A- Imaging: A-

Reviewed by: Precogvision

Precogvision 6.5 Reviewer Score
B+ Tuning
A- Tech
Very bouncy bass but midrange sounds sucked out and has some oddity. Original sounds more coherent even if less exciting/detailed.

Precogvision original ranking

Precogvision Youtube Channel
Bass: A- Mids: B Treble: A- Dynamics: A- Details: A- Imaging: A-

Reviewed by: Fresh Reviews

Fresh Reviews 5.5* * The score of this reviewer influences only the Gaming Score

Reviewed by: IEMRanking AI

2025-09-02
IEMRanking AI 8.2 Reviewer Score
S- Tuning
A Tech

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) .


Bass: S- Mids: A Treble: A+ Dynamics: A Soundstage: A+ Details: A Imaging: A+
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