Lime Ears Terra VS 64 Audio U6T

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

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Lime Ears Terra and 64 Audio U6T use 1DD+5BA and 6BA driver setups respectively. Lime Ears Terra costs $1,200 while 64 Audio U6T costs $1,300. 64 Audio U6T is $100 more expensive. 64 Audio U6T holds a slight 0.4-point edge in reviewer scores (7.6 vs 8). 64 Audio U6T has significantly better bass with a 1-point edge, 64 Audio U6T has significantly better mids with a 1-point edge, Lime Ears Terra has significantly better treble with a 1-point edge, Lime Ears Terra has significantly better soundstage with a 1-point edge and 64 Audio U6T has significantly better imaging with a 1-point edge.

Insights

Metric Lime Ears Terra 64 Audio U6T
Bass 6 7
Mids 6.5 7.5
Treble 7 6
Details 6 6
Soundstage 8 7
Imaging 6 7
Dynamics 6.5 6.5
Tonality 7.5 7.3
Technicalities 7.8 6.6

Lime Ears Terra Aggregated Review Score

Average Reviewer Scores

Precogvision
Kois Archive Super* Review
Jaytiss Gizaudio Axel Head-Fi.org

Average Reviewer Score:

7.6

Strongly Favorable


64 Audio U6T Aggregated Review Score

Average Reviewer Scores

Jaytiss
Precogvision
Audionotions Yifang Head-Fi.org
Super* Review

Average Reviewer Score:

8

Strongly Favorable


Reviews Comparison

Lime Ears Terra reviewed by Jaytiss

Jaytiss 8.5 Reviewer Score
A Tuning
A+ Tech
Best value of the Lime Ears.
Youtube Video Summary

Build and presentation hit boutique vibes: a machined-aluminum shell with a clever nozzle dip that grips tips securely, a flat 2-pin socket with a top filter, and smooth finishing that feels premium in ear. The accessory set fits the price—SpinFit W1 and foam tips, cleaner, pouch—and the leatherette puck case looks simple but feels surprisingly durable. The stock 4.4 mm cable is aesthetically pleasing yet a bit stiff, with a loose chin slider; red/blue markers make orientation easy.

Tonally, Terra skews brighter with a touch of sharpness up top, bringing strong micro-detail and air while keeping a tasteful, impactful bass shelf. The 6-driver hybrid (including a 7 mm titanium DD for lows) delivers confident technicalities: fast attacks, clean separation, and a wide-open stage. FR observations show a gradual bass rise, good treble extension, and a mid-treble lift (around the 8 k region) that adds sparkle and excitement but can read hot for sensitive listeners.

Against peers, Terra tracks a refined “Harman-ish” contour with extra energy, feeling more dynamic and lively than several mid/high-tier alternatives while keeping mids even and uncluttered. Trade-offs exist: a hint of metallic timbre, occasional upper-mid glare, and imaging that can soften at micro level; yet the overall mix of bass quality, clarity, and stage makes music engaging. At $1,200, the Polish boutique package reads as a serious, distinctive choice—highly recommendable if a brighter tilt and vivid treble are on the wish list.

Mids: A- Treble: A+ Dynamics: A- Soundstage: A+

Jaytiss original ranking

Jaytiss Youtube Channel

Lime Ears Terra reviewed by Super* Review

Super* Review 7* * score rescaled + normalized
I don't think its an exceptional sound for this price. There are better options. Build Quality and aesthetics are nice though.
Youtube Video Summary

Positioned as Lime Ears’ entry-level model at around €1,100 / $1,200, Terra makes a strong first impression with premium build quality and shimmering glass faceplates, plus a well-done puck case and full tip set. Practical niggles show up fast: the stock cable is stiff and microphonic, and the chin slider is almost useless. The long, wide nozzle pushes comfort toward “okay” rather than great; shorter tips (Spring-style) help stabilize the fit. Aesthetics and craftsmanship feel boutique; ergonomics and accessories, less so.

Sonically, Terra riffs on a Harman-ish curve—sub-bass lift, slightly thin mids, and a brighter upper-mid/lower-treble for a clean, contrasty, clinical clarity. Imaging separation and stage width are strong with decent depth, but vocals can get edgy/wet, cymbals lean splashy rather than weighty, and overall timbre skews a touch artificial; bass is articulate yet not especially meaty. Versus peers, 64 Audio U4s sounds warmer, bassier with more treble weight (at the cost of some separation), while Dunu Glacier hits harder with denser bass and a smoother top end. The takeaway: good sound, gorgeous build, but not a value standout—Terra is best chosen for the craft, look, and brand story, with performance judged a solid 3/5 at the price.


Super* Review original ranking

Super* Review Youtube Channel

64 Audio U6T reviewed by Super* Review

Super* Review 9* * score rescaled + normalized

Lime Ears Terra reviewed by Precogvision

Precogvision 6 Reviewer Score
B Tuning
B Tech
Sounds Harman-inspired with some minor tuning liberties. Decent overall but I'd prefer more air past 10kHz.

Precogvision original ranking

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

64 Audio U6T reviewed by Precogvision

Precogvision 7.1 Reviewer Score
A Tuning
B+ Tech
Warm, thick, and with excellent dynamics. U12t's tubby younger brother that could use more resolution.

Precogvision original ranking

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

Lime Ears Terra reviewed by Head-Fi.org

Head-Fi.org 8.5 * score rescaled + normalized
25 community members have rated the Lime Ears Terra at an average of 4.5/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

64 Audio U6T reviewed by Head-Fi.org

Head-Fi.org 8.5 * score rescaled + normalized
2 community members have rated the 64 Audio U6t at an average of 4.5/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

Lime Ears Terra (more reviews)

Lime Ears Terra reviewed by Gizaudio Axel

Gizaudio Axel 8 Reviewer Score
A+ Tuning
A+ Tech
Excellent balance of detail and musicality. Harman-like tuning with full-bodied sound, great sub-bass, and solid detail. Could use more mid-bass impact. Slightly bright treble.

Gizaudio Axel original ranking

Gizaudio Axel Youtube Channel

Lime Ears Terra reviewed by Kois Archive

Kois Archive 7.4 Reviewer Score
A+ Tuning
S Tech
Rating: A | Value: ⭐ | Gaming: 🎮🎮 | Comfort: 8 good micro details. decent vshape sound shouty, lacks treble extension

Kois Archive original ranking

Kois Archive Youtube Channel

64 Audio U6T (more reviews)

64 Audio U6T reviewed by Audionotions

Audionotions 8.5 Reviewer Score
It's a step down from U12T in techs, yes, but it's still competitive in the price range. In exchange, tonality and timbre are much improved, which, IMO, is much more important. Imaging, separation, resolution, stage, and dynamics are excellent. Bass is deep and very well textured. Mids have great body. Treble is detailed and extended with great air while never being sibilant or harsh. Really easy to pop on and get lost in the music with. Warm and gooey in the best way possible. Lush, rich, soulful.

Audionotions original ranking

Website (Audionotions)

64 Audio U6T reviewed by Yifang

Yifang 8 Reviewer Score
S- Tuning
A+ Tech

Lime Ears Terra User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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64 Audio U6T User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Lime Ears Terra Gaming Score

Gaming Score & Grade

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

Gaming Score

6.7

Gaming Grade

B+

64 Audio U6T Gaming Score

Gaming Score & Grade

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

Gaming Score

5.8

Gaming Grade

B-

Lime Ears Terra Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A
  • A smooth, agreeable balance keeps the presentation engaging without obvious flaws. Only sensitive ears will nitpick the bumps.

Average Technical Grade

A
  • Overall technical control is strong, presenting instruments with clarity and sensible staging. Textures are portrayed with satisfying clarity.
Bass B
Bass foundation is good, adding satisfying punch without losing control. Pop and rock tracks feel lively.
Mids B+
It offers engaging mid frequencies with pleasing clarity and layering. Details emerge without becoming harsh.
Treble A-
Expect effortless extension and clarity that keep the top end sparkling yet smooth. Layering in upper registers is impressive.
Dynamics B+
The performance feels robust, with satisfying punch and natural transitions. Nuances are easy to follow.
Soundstage A+
Three-dimensional layering becomes effortless, placing performers on a lifelike virtual stage. Venue ambience wraps around convincingly.
Details B
Finer gestures snap into focus without sounding clinical or forced. Layering holds strong across genres.
Imaging B
Layered vocals and harmonies remain distinct and easy to track. Layered vocals remain easy to track.
Gaming B+
Respectable environmental presentation favors atmosphere over precision. Detects obvious directional cues while conveying game world ambiance. Bad value-to-cost for gaming purpose - not recommended

64 Audio U6T Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A-
  • It balances warmth and clarity well, showing only minor quirks along the way. Timbre feels believable with most instruments.

Average Technical Grade

B+
  • Technical ability is serviceable, keeping basic detail intact across simpler tracks. It keeps up with acoustic tracks without much fuss.
Bass A-
You get robust low-end authority that remains disciplined and textured. Layering stays intact despite the weight.
Mids A
Expect lifelike vocals and instruments with impressive nuance and realism. You can easily follow harmonies and backups.
Treble B
The top end is engaging and airy, yet never overbearing. Brass and strings feel energetic.
Dynamics B+
You get confident dynamics that track both macro swings and rhythmic drive. There's life in every crescendo.
Soundstage A-
The stage stretches in every direction, carving out clear three-dimensional pockets for each player. Placement accuracy impresses from the start.
Details B
Nuance retrieval becomes reliable, highlighting expressive touches in every instrument. It rewards attentive listening.
Imaging A-
Depth mapping feels natural and accurate, supporting convincing immersion. Depth mapping feels precise and natural.
Gaming B-
Moderate spatial presentation conveys general directionality. Suitable for casual play where precision isn't critical. Bad value-to-cost for gaming purpose - not recommended

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