Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.
What reviewers think
Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.
Product Strengths
- Great build quality and design with eye-catching faceplates
- Listeners can enjoy the versatile sound signature, suitable for all-rounder listening preferences
- Good balance of technical performance and warm musical tonality
Product Considerations
- Bass could use a bit more texture to color the rumble
- Unvented shell design and larger-than-average nozzle size (6.2 mm)
- Stock cable is stiff and without a chin cinch
Comparisons (according to reviewers)
- Versus 64 Audio U4s, the Terra falls between the U4s warmer, lusher end of the spectrum and the Symphonium Helios' lean and bright signature
- The Terra is a better blend of technical performance as well as warmth in the musical aspect when compared to Awful Cantor
Takeaway: The Lime Ears Terra is a versatile IEM that provides a good balance of technical performance and warm, musical tonality with solid bass, mids, and excellent treble. The build quality is excellent, and they have a unique look in the marketplace.
What are hifi reviews useful for? (1) Identifying products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've heard (this means they probably are legitimately great). (3) Identifying a product's attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we often discount what reviewers say because they heap praise on most products—and are often apprehensive about publishing strong criticism or comparisons between products. Further, they seldom have more than a few products on-hand, often relying on their memories to compare past products. Always listen for yourself.
All
Terra
reviews
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An excellent review of a great product
/
Publisher
/
3/1/2022
An excellent review of a great product
Publisher
/
3/1/2022
Video Review
Manufacturer details
Features
Specifications
- 6-driver hybrid: 1 dynamic driver + 5 balanced armatures
- Bass Module: TiTE™ Module
- High-Frequency: HERO™ Super Tweeter (slot design, no traditional tubes)
- Enclosure / Shell Material: Aircraft-grade aluminum
- Faceplates: Unique PISO opal faceplates
- Cable: Premium Effect Audio EC-OCC Pure Copper cable (4.4 mm balanced)
- Carrying Case: Premium leather case
- Eartips: Spinfit CP100 (S/M/L) and Divinus Velvet
Description
Terra represents your entry into the world of true high-end audio, revealing layers of music you might never have known existed in your favorite recordings.
Release Timeline
Manufacturer Site
Brand highlights
Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:
- Lime Ears offers a unique tuning approach, stemming from founder Emil's background in acoustic engineering, focusing on manipulating the sound path using acoustic filters and canal shapes.
Select products
Select product comparisons
Terra
- Positioning: The entry-level model designed for basic performance and compact form factor.
- Description: Offers a simple design with stable performance and a basic amplifier suited for small room use, featuring easy-to-drive circuitry. Compared to models like Maris and Incognita, has fewer advanced features, making it ideal for budget-minded users with modest functionality needs in smaller spaces.
Maris
- Positioning: The mid-range model aimed at flexibility and improved performance over entry-level offerings.
- Description: Provides refined circuit design that delivers clearer sound and enhanced reliability with a focus on steady audio output in medium-sized rooms. Compared to Terra and Incognita, incorporates better build quality and slightly more features.
Incognita
- Positioning: A balanced offering that bridges the gap between entry-level simplicity and high-end refinement.
- Description: Features a circuit design with added digital control elements to maintain stable sound output across different settings. Relative to Terra and Maris, offers more connectivity and precision.
Anima-v2
- Positioning: A high-performance system focused on detailed audio reproduction for discerning users in moderate-to-large spaces.
- Description: Features a robust solid-state design with enhanced thermal management that ensures consistent sound quality and a wide soundstage. When compared to Terra, Maris, and Incognita, steps up the technical sophistication with refined circuitry.
Pneuma-v2
- Positioning: A premium product engineered for advanced audio performance and versatility across varying use cases.
- Description: Uses a multi-stage amplification process that ensures clean power output and effective heat management, benefiting users in larger spaces. In contrast with Anima-v2 and the lower-tier models, offers additional connectivity and smarter control options.
Aether-r
- Positioning: The flagship model designed to deliver top-tier audio quality and innovative design for premium setups.
- Description: Features groundbreaking processing technology and precision engineering that push dynamic range and clarity to the highest levels available in the lineup. When compared to all other models, stands out with superior build quality and advanced integration.
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Avg. Product Price
$1,001-$2,500
Used For Sale
0
Available (Scroll Down)
Brand Popularity
812
of 900+
Badges
Top 50 Brand
Top 250 Brand
Products Listed
6
Founding Year
2012
Our take on the brand
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
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Brand Page
Our interview with the brand
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Used
Lime Ears
All of the Brand's Used Products
What if you spend more?
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Lime Ears
Anima V2
3700
3700
/
2
Reviews
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Expand Details
.svg)
Video review
Our take on the brand
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Product Page
Product Page
Lime Ears
Maris
2799
2799
/
1
Reviews
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Expand Details
Our summary
Video review
Our take on the brand
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Product Page
Product Page
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Empire Ears
Legend Evo (Universal)
3099
3099
/
12
Reviews
Empire Ears is a hifi audio brand best known for headphones featuring their proprietary Weapon IX 9mm rare-earth magnet "subwoofers" with bass-reflex systems. The company hand-builds synX crossover networks without PCBs, assigning more individual audio bands per driver than any other IEM crossover. They also developed EIVEC electrostatic control to integrate EST drivers with dynamic and balanced armature drivers.
Expand Details
Product Strengths
- Excellent technical performance and detail retrieval, considered several cuts above other IEMs
- Outstanding imaging performance, with precise soundstage and instrument separation
- The bass response is a highlight, delivering a punchy sub-bass with texture and articulation
- Offers a warmer tonal balance that is easy to get into with a mostly 'neutral' sound
- Bone conduction enhances low-frequency extension, reverb, and detail
Product Considerations
- Large chassis that may be uncomfortable for some users, particularly those with smaller ears
- The subdued treble range may not provide enough energy and sparkle for some listeners
- Stock cable is lackluster in terms of usability due to its plasticky feel, rigidity, and microphonic feedback
- Driver flex (a harmless crinkling sound upon insertion) is present
Comparisons (according to reviewers)
- Legend Evo delivers a stronger bass impact, depth, and extension than the Legend X
- Legend Evo produces better constructed highs than the Legend X
- Legend Evo shows better clarity than the Legend X, and has more detail
- The Legend X can sound veiled concerning the Legend Evo
- The Legend Evo feels a touch smoother than the Empire Ears ODIN
Takeaway: The Legend Evo is a top-tier IEM with innovative bone conduction technology that creates a unique and immersive listening experience with enhanced bass. It is a great option for those seeking flagship-level performance with a warm, bass-focused sound signature.
Video review
Our take on the brand
Empire Ears is a hifi audio brand best known for headphones featuring their proprietary Weapon IX 9mm rare-earth magnet "subwoofers" with bass-reflex systems. The company hand-builds synX crossover networks without PCBs, assigning more individual audio bands per driver than any other IEM crossover. They also developed EIVEC electrostatic control to integrate EST drivers with dynamic and balanced armature drivers.
Product Page
Product Page
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Noble
Viking Ragnar (Universal Fit)
4000
4000
/
9
Reviews
Noble is a hifi audio brand built around founder Dr. John "Wizard" Moulton, an audiologist renowned for hand-carving custom earphones from exotic materials like wood, carbon fiber, and aluminum instead of standard acrylic, with each ear requiring up to 30 hours to complete. The brand distinguishes itself by using bone conduction drivers across multiple models and bringing rare metallurgical techniques like Japanese Mokume-Gane and titanium Damascus to earphone faceplates.
Expand Details
Our summary
Product Strengths
- Excellent detail retrieval, resolving with the best over-ear headphones, challenging the brain to take it all in.
- Wide soundstage with precise imaging, creating an immersive, holographic 3D image.
- Easy to drive, delivering speed and impact even with low-power sources.
- High level of craftsmanship and build quality, using premium materials like CNC-machined aluminum and Damascus steel faceplates.
- Comes with the Magnus cable, a high-quality 8-core cable constructed with graphene, monocrystalline silver, and copper-silver alloy.
Product Considerations
- Treble can become a bit hot and fatiguing over long periods, but can be mitigated by using foam ear tips.
- Bass presence is more nominal and cohesive, not dominant or overpowering like some bass-head IEMs.
- Fit may be an issue for some due to the larger-than-average size of the IEM.
- Could be fatiguing over time due to sensory overload from extreme detail.
- Some reviewers found that the upper mids/lower treble frequency range could use a little boost.
Comparisons (according to reviewers)
- Offers a stronger balance of detail, performance, and musicality, a fuller, richer midrange, and better texture and timbre, when compared to the Empire Ears Odin—Odin has stronger holographic separation, an intense sense of vocal performance, and more potential for fatigue.
Takeaway: The Noble Viking Ragnar is a top-tier IEM, offering incredible detail and a wide soundstage for an immersive listening experience. Its build quality and design are exceptional, making it a great choice for those who want some of the best IEMs in the market.
Video review
Our take on the brand
Noble is a hifi audio brand built around founder Dr. John "Wizard" Moulton, an audiologist renowned for hand-carving custom earphones from exotic materials like wood, carbon fiber, and aluminum instead of standard acrylic, with each ear requiring up to 30 hours to complete. The brand distinguishes itself by using bone conduction drivers across multiple models and bringing rare metallurgical techniques like Japanese Mokume-Gane and titanium Damascus to earphone faceplates.
Product Page
Product Page
What competes at this price?
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Lime Ears
Aether R
1400
/
Released
2019
AETHER R represents an updated form factor of the ETHER R model from 2018, which itself was an update of our first internationally recognized model - the original ETHER from 2015. It embodies our early approach to creating monitors that balance technical performance with musical enjoyment. AETHER R features a 6-driver balanced armature configuration with a four-way passive hybrid crossover.
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Expand Details
Our Summary
Product Strengths
- The Aether R features a flexible bass switch, offering versatile sound signatures and addressing the Fletcher-Munson Law for balanced sound at different listening levels
- Build quality of both the universal and custom versions is excellent, with customizable choices for faceplates, shells, and logos, including unique options like carbon fiber, wood, and watch parts
- The Aether R aims to please with switchable signatures, smooth and timbre-accurate sound, while preserving the original Aether’s treble response and airiness
Product Considerations
- The stock cable can be a bit generic
- The Aether R struggles to forge a unique identity, sounding like a vanilla TOTL and a jack of all trades, but master of none
- Comfort can be an issue for some, especially with the universal fit, as some reviewers struggled to get a correct fit even with the smallest tips
- The accessory set for the custom Aether R is sparse and basic, lacking the luxurious packaging and complete set offered with the universal version
Comparisons (according to reviewers)
- Compared to the Vision Ears VE8, the VE8 shares neutral-warm signature and mid-treble peak similarities with Aether R, the VE8's presentation is vibrant and immersive, putting you onstage with the musicians, while the Aether R's sound is hollower
Takeaway: The Lime Ears Aether R is a well-built IEM with a customizable design and a versatile bass switch. Its balanced and smooth sound signature makes it enjoyable for various music genres and listening preferences.
Video review
Our take on the brand
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Product Page
Product Page
Lime Ears
Pneuma V2
1900
/
Released
2024
PNEUMA V2 represents a direct extension of PNEUMA V1, which was our first hybrid model released in 2020 and the universal version of what became our most popular custom monitor. This model earned its following by combining powerful, analog-like bass with a detailed yet natural treble presentation.
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Expand Details
Our Summary
Video review
Our take on the brand
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Product Page
Product Page
Lime Ears
Incognita
1699
/
Released
2025
Incognita takes you deeper into uncharted sonic territories with its striking black design and volcanic red accents. This sleeper hit of the Power Trio reveals familiar music in new ways through its superbly balanced, technically excellent sound presentation.
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Expand Details
Our Summary
Video review
Our take on the brand
Lime Ears is a hifi headphone brand recognized for their VariBore acoustic design, which varies bore diameters across frequency bands to reduce air friction and smooth treble. Their models feature horn nozzles inspired by musical instruments, targeted bass switching that affects only the lowest frequencies without muddying mids, and specialized tuning such as the Aether R's far-field monitor voicing that emulates big three-way speakers with external subs.
Product Page
Product Page
Campfire Audio
Astrolith
2199
/
Released
2024
The latest from the acoustics team at Campfire Audio, Astrolith represents the tip-of-the-spear for IEMs using a pure planar magnetic architecture. Further expanding on Campfire's lineage of planar earphones, Astrolith incorporates two new drivers wrapped in our PPR and AAOI tuning elements. Combining the inherent advantages of planar magnetic drivers with decades of acoustic engineering experiences brings about an incredible new horizon in the realm of planar magnetic IEMs.
Campfire Audio is a hifi headphone brand known for their Tuned Acoustic Expansion Chamber (TAEC) for balanced armatures and Solid Body Design that mounts drivers into a single 3D-printed "engine block" to improve tuning and reliability. The brand has pioneered several unique approaches, such as crossoverless dual-planar architecture, beryllium-PVD dynamic diaphragms, and 3D-printed ceramic acoustic structures. Their Andromeda model long held a reputation as a benchmark reference for hifi IEM performance.
Expand Details
Our Summary
Product Strengths
- Impressive technical performance, clarity, detail retrieval, and resolution due to its planar magnetic drivers.
- Features a new, comfortable, and ergonomic shell design that's also lightweight and durable.
- Includes two upgraded Time Stream Metal cables, providing both 3.5mm and 4.4mm terminations.
- Delivers a strong, extended bass response, with texture and speed, plus a nimble, airy top-end.
- Exhibits a spacious, wide, and holographic soundstage with good imaging and instrument separation.
Product Considerations
- Lower sensitivity might require a dedicated DAP or amplifier for optimal performance, and can sound anemic when paired with just a phone.
- Can be sensitive to source pairings, warmer DACs might wash out the mids and some pairings may bring out sibilance.
- Stock tips might not provide the best seal for everyone, and the stock tip selection is poor.
- Silicone eartips can make the treble sound harsh.
- The mirror-finished stainless steel faceplate is prone to fingerprints and smudges.
Comparisons (according to reviewers)
- Vs. Campfire Audio Bonneville: Astrolith has superior mids, clarity, detail and transparency, and better treble extension, articulation, and overall resolution.
- Vs 64 Audio Volür: Astrolith offers bigger bass and a more exciting presentation, as well as faster and more resolving sound, but Volür is more accurate overall.
- Vs. Oriolus Monachaa: Astrolith has a faster and more controlled bass with better texture, a more natural and realistic midrange with a fabulous timbre.
- Vs. Elysian Acoustic Labs Annihilator: Astrolith delivers a more robust and organic mid-range with realistic and natural timbre and more defined lower mids.
Takeaway: The Astrolith is a technically impressive IEM with a comfortable design that delivers a powerful and detailed sound. It could be a great pick for listeners who want high-end sound that can play all kinds of music well.
Video review
Our take on the brand
Campfire Audio is a hifi headphone brand known for their Tuned Acoustic Expansion Chamber (TAEC) for balanced armatures and Solid Body Design that mounts drivers into a single 3D-printed "engine block" to improve tuning and reliability. The brand has pioneered several unique approaches, such as crossoverless dual-planar architecture, beryllium-PVD dynamic diaphragms, and 3D-printed ceramic acoustic structures. Their Andromeda model long held a reputation as a benchmark reference for hifi IEM performance.
Product Page
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HIFIMAN
Svanar
1999
/
Released
2023
SVANAR — HiFiMAN's Flagship Single Dynamic Driver IEM with Over-Ear Detail.
HIFIMAN is a hifi brand known for its planar magnetic headphones that use extremely thin diaphragms and acoustically transparent "Stealth Magnets" to reduce sound distortion. The company pioneered high-resolution portable audio players and creates electrostatic headphones that bring high-end sound quality to more accessible price points, as well as widely renowned flagship models such as the Susvara.
Expand Details
Our Summary
Product Strengths
- Captures the sound of the original Svanar, with a balanced tuning emphasizing bass and treble while maintaining the mids
- Incredible imaging performance, offering a wide, well-rounded, three-dimensional soundstage with excellent positioning and separation—highly competitive, even compared to non-TWS IEMs under $1000
- Has an R2R DAC which permits unreachable technical performance
- Very light and comfortable
- Excellent connectivity and usability
Product Considerations
- LDAC connectivity issues with invasive intermittence and noise cutting
- ANC and Transparency mode aren’t very useful and lack dynamic, delivering leaner dynamic, less musicality
- Plastic build might not be most durable if dropped
- High-frequencies are quite sensible to the source, making it one of the least forgiving TWS
- Hiss is also present
Comparisons (according to reviewers)
- The Svanar Wireless is punchier, with better bass detail and imaging, and a wider soundstage, while the Final ZE8000 has a warmer, more neutral sound
- The Svanar Wireless has stronger imaging performance, a wider soundstage, and a better balance between separation and cohesion
- The Svanar Wireless is superior in technicalities and tonal balance, as well as timbre and tone naturalness, and ultimately musicality
- The Svanar Wireless' soundstage is taller and wider but not as deep, since clarity isn’t as sharp and clean, silence being more "noisy"
- The Svanar Wireless has better sound and performs better technically
- The Sony TWS has bloated bass that overwhelms everything else; in comparison, the soundstage and treble performance of the Svanar Wireless is miles ahead, presenting a much more detailed, natural, and sophisticated kind of sound
Takeaway: The Svanar Wireless sounds impressive for wireless earbuds, and it has great connectivity and features. For those seeking high-end wireless sound, these are worth considering.
Video review
Our take on the brand
HIFIMAN is a hifi brand known for its planar magnetic headphones that use extremely thin diaphragms and acoustically transparent "Stealth Magnets" to reduce sound distortion. The company pioneered high-resolution portable audio players and creates electrostatic headphones that bring high-end sound quality to more accessible price points, as well as widely renowned flagship models such as the Susvara.
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