FlipEars Legion VS Campfire Audio Alien Brain
IEM Comparison: Expert & Community Scores Side-by-Side
FlipEars Legion and Campfire Audio Alien Brain use 1DD+1EST+1BC and 1DD+4BA driver setups respectively. FlipEars Legion costs $849 while Campfire Audio Alien Brain costs $1,000. Campfire Audio Alien Brain is $151 more expensive. Campfire Audio Alien Brain holds a clear 0.6-point edge in reviewer scores (7.7 vs 8.3). Campfire Audio Alien Brain has better bass with a 0.5-point edge, Campfire Audio Alien Brain has better mids with a 0.5-point edge, Campfire Audio Alien Brain has significantly better treble with a 1-point edge, Campfire Audio Alien Brain has significantly better dynamics with a 1-point edge, Campfire Audio Alien Brain has significantly better soundstage with a 1-point edge, FlipEars Legion has better details with a 0.5-point edge and FlipEars Legion has better imaging with a 0.5-point edge.
Insights
| Metric | FlipEars Legion | Campfire Audio Alien Brain |
|---|---|---|
| Bass | 7.5 | 8 |
| Mids | 7 | 7.5 |
| Treble | 6.8 | 7.8 |
| Details | 7.5 | 7 |
| Soundstage | 7 | 8 |
| Imaging | 7.5 | 7 |
| Dynamics | 7 | 8 |
| Tonality | 7.7 | 7.8 |
| Technicalities | 7.3 | 7.7 |
FlipEars Legion Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.7Strongly Favorable
Campfire Audio Alien Brain Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.3Very Positive
Reviews Comparison
FlipEars Legion reviewed by Smirk Audio
7.5
Reviewer Score
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Price: $869
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Campfire Audio Alien Brain reviewed by Smirk Audio
7.5
Reviewer Score
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Price: $1,018
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FlipEars Legion reviewed by Jaytiss
7.5
Reviewer Score
Youtube Video Summary
FlipEars Legion stakes its identity on a bold, mid-bass–driven fun signature with a bone-conduction twist. The shell is huge and may challenge small ears, the 2-pin sockets are deeply recessed, and the stock 4.4 mm cable and premium case feel thoughtful and upscale. On the graph, there’s a notable dip through the mids that can sound a touch hollow, plus energy around 4 kHz and 8 kHz that adds bite and sparkle; in practice the set delivers big slam, airy extension, and surprisingly solid imaging for a BC-assisted tuning. A light EQ nudge to the upper-mids/lower-mids tightens tonality and pushes technicals up a tier.
Positionally, Legion reads as a “fun daily driver” rather than a sterile studio tool. Compared with similar BC-flavored sets, it feels more controlled than the Z Empire “party” tuning, and markedly more coherent than cheap experiments like KB Ear KBO2. Against safer picks, Monarch Mk I remains the clean, glassy option, while ThieAudio Origin is a safer all-rounder; Legion, however, brings deeper sub-bass and livelier presence with more character. Versus Triton, Legion’s upper-air/presence has better flow; versus the high-ticket Muse, Legion trades a bit of refinement for long-session comfort, dodging fatiguing 6 kHz glare.
Overall, this is an engaging, charismatic tribid that rewards listeners seeking bass heft, contrast, and BC texture without descending into chaos. It’s not the safest first $800 pick given the mid dip and fit quirks, but as a statement piece from FlipEars it feels well priced, well built, and easy to recommend to those prioritizing musical thrill over strict neutrality—especially with a touch of EQ to tidy the mids.
Jaytiss Youtube Channel
Campfire Audio Alien Brain reviewed by Jaytiss
8.8
Reviewer Score
Youtube Video Summary
Alien Brain arrives as a single-DD + 4BA hybrid around $1,000 with a truly peculiar shell: the rounded, “alien cortex” faceplate is magnetic, uses MMCX, and can be tricky to seat. The unboxing is lavish—two cables (including 4.4 mm), a compact magnetic leather case, a USB-C DAC/amp, foams plus “sticky” tips, cleaning tools, and extras. Fit is the hurdle; tip-rolling is essential, but once positioned correctly, comfort and seal fall into place.
Tonally, this set pursues a balanced, all-rounder tuning with a near-ideal bass shelf, lively but controlled upper mids, and sparkly yet composed treble. There’s punch and detail without drifting into fatigue; extension is strong, but staging isn’t the most expansive and note weight isn’t “thumpy”—this isn’t a bass-head cannon, more a clean, grounded presentation. The FR shows a touch of 1 kHz energy and smooth ripples through presence/air that favor natural timbre over hyper-etched brilliance, making it a long-session, non-fatiguing listen.
Versus Campfire’s own lineup, it’s far more normalized than the colorful Trifecta, better extended than the warm Axion, and closer in poise to Moon Rover but with a bit more bass and refinement. Compared to peers like Dunu Glacier or DA Mecca, Alien Brain trades V-shaped excitement for cohesive neutrality, and avoids the upper-mid glare that can scare off listeners. Net result: a strong recommendation for those who can manage the fit and want a high-end Campfire that does something new—not the classic house warmth, not sterile flatness, but a realistic, well-rounded signature with broad appeal.
Jaytiss Youtube Channel
FlipEars Legion reviewed by Head-Fi.org
8.3
* score rescaled + normalized
Campfire Audio Alien Brain reviewed by Head-Fi.org
8.5
* score rescaled + normalized
FlipEars Legion (more reviews)
FlipEars Legion reviewed by Audio Amigo
8
* score rescaled + normalized
Youtube Video Summary
FlipEars Legion brings serious boutique flair: a wax-sealed letter, a plush leather case, and a premium 4.4 mm cable set the tone, while the hand-finished brass faceplates (rose-gold plated, enamelled by a jeweler) scream showpiece. The resin shells feel rock-solid and quite hefty (~12 g each), yet the earhooks distribute weight well for multi-hour sessions. Fit skews large—small ears will struggle, and shallow seals blunt the bone conduction effect. Accessories are minimal but tasteful (L-size Baroque tips, cable tie), fitting the boutique vibe. Build, finish, and the whole Spartan aesthetic? Sub-Zero cool.
Under the hood, Legion is a tribrid: custom dynamic for lows, a bone-conduction driver active through bass/mids, and a custom electret tweeter up top. The signature is unapologetically V-shaped. Bass is the star—tactile, rumbly, and subwoofer-like without boom or weird BC artifacts; kick drums and EDM drops thump with grinning authority. Lower mids gain pleasing warmth and body, while center-mids can sit a touch pushed back on acoustic and vocal-centric tracks. Treble is crisp and airy, smooth yet detailed, avoiding fatigue while keeping cymbals and harmonic sheen lively. Staging benefits from BC with a wider, more separated image and engaging depth when the recording allows.
Put simply, this is the polished, modern take on that classic fun V-tune: all the excitement, far fewer compromises. For EDM, hip-hop, pop, rock and anything bass-forward, Legion is a party in the ears and a compelling endgame choice at its $850 pre-order tier. Those chasing neutral mids, analytical focus, or small-ear ergonomics should look elsewhere; everyone else gets glorious low-end slam, smooth sparkly highs, and boutique craftsmanship that feels special. On the Audio Amigo scale: “This is brilliant.”
Audio Amigo Youtube Channel
FlipEars Legion reviewed by Jays Audio
7
Reviewer Score
Jays Audio Youtube Channel
FlipEars Legion reviewed by Web Search
8
Reviewer Score
The FlipEars Legion makes a commanding entrance with its striking Roman legionnaire-inspired design, featuring jewelry-cast rose-plated brass faceplates hand-painted by master artisans in Bulacan, Philippines, ensuring each unit is a unique masterpiece. While the substantial resin housings may challenge smaller ears, the included Eletech Baroque tips and pliable cable contribute to a surprisingly secure and comfortable fit over time. Unboxing feels luxurious, with a premium leather case and meticulous packaging underscoring FlipEars' commitment to craftsmanship.
Sonically, the Legion leverages its innovative tribrid driver system to deliver thunderous, tactile bass via a custom dynamic driver and EarQuake bone conduction unit, creating visceral sub-bass rumble without muddying the midrange. The midrange remains lush and articulate, presenting vocals with natural warmth and instruments with rich texturing, while the SPARK electret tweeter adds refined, fatigue-free sparkle to the highs. This synergy results in a cohesive, immersive sound signature that prioritizes musical engagement over analytical sharpness, making complex tracks feel both powerful and nuanced.
Technically, the Legion punches above its price point, boasting a holographic soundstage with precise instrument placement and exceptional layering that rivals models costing twice as much. Its imaging is pinpoint accurate, rendering subtle ambient cues and dynamic shifts with effortless clarity, while the bone conduction driver enhances physicality and depth without sacrificing control. Though its bass-forward tuning might not suit treble purists, the Legion excels as a reference-grade all-rounder for those seeking technical prowess paired with relentless musicality.
FlipEars Legion Details
Driver Configuration: 1DD+1EST+1BC
Tuning Type: Neutral with Bass Boost, Basshead
Brand: Flipears Top Flipears IEMs
Price (Msrp): $849
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Campfire Audio Alien Brain Details
Driver Configuration: 1DD+4BA
Tuning Type: Neutral with Bass Boost
Brand: Campfire Top Campfire IEMs
Price (Msrp): $1,000
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FlipEars Legion User Review Score
Average User Scores
Average User Score: n/a
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Campfire Audio Alien Brain User Review Score
Average User Scores
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FlipEars Legion 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
BCampfire Audio Alien Brain Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.7Gaming Grade
B+FlipEars Legion Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Tuning feels well executed, keeping a natural flow across the spectrum. Switching genres feels seamless.
Average Technical Grade
A-- Technical chops are reliable, pairing tidy separation with a soundstage that stays conservative. Micro-detail is decent, though never spotlighted.
Campfire Audio Alien Brain Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- The response is even and composed, lending itself to effortless genre hopping. Voices sit comfortably in the mix.
Average Technical Grade
A- The balance of resolution and space feels assured, keeping complex passages coherent. Layering is convincing on most studio mixes.
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