Fir Audio E12 Aggregated Review Score
Fir Audio E12 Average Reviewer Scores
Average Reviewer Score:
4Negative
Letshuoer Cadenza 12 Aggregated Review Score
Letshuoer Cadenza 12 Average Reviewer Scores
Average Reviewer Score:
8.2Very Positive
Fir Audio E12 Details
Driver Configuration: n/a
Tuning Type: n/a
Price (Msrp): $1,799
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Letshuoer Cadenza 12 Details
Driver Configuration: 1DD+11BA
Tuning Type: Balanced, Treble Head
Price (Msrp): $2,299
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Fir Audio E12 User Review Score
Fir Audio E12 Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Letshuoer Cadenza 12 User Review Score
Letshuoer Cadenza 12 Average User Scores
Average User Score: n/a
Based on 0 user reviews
No user reviews yet. Be the first one who writes a review!
Fir Audio E12 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
1.1Gaming Grade
E-Letshuoer Cadenza 12 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.8Gaming Grade
B+Fir Audio E12 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
C-- Significantly flawed tuning. Noticeable frequency imbalances and unnatural timbre distract from music. Lacks versatility across recordings.
Average Technical Grade
E+- Noticeably blurred or congested. Struggles with basic instrument separation; details are lost in simple tracks. Feels "flat" and one-dimensional.
Letshuoer Cadenza 12 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
S-- Very competent with articulate presentation. Well-defined layers and precise imaging. Soundstage is immersive and handles dynamics well. Minor smearing in very busy tracks.
Fir Audio E12 Reviews
Fir Audio E12 reviewed by: Jaytiss
Head fi tour inc Jaytiss Youtube Channel
Letshuoer Cadenza 12 Reviews
Letshuoer Cadenza 12 reviewed by: Jays Audio
A better version of the U12T vocal/tuning wise, no mid scoop and wonkiness. (#1 or #2 vocals for me). Vocals are sweet, extended, open, airy, but also never fatiguing and weighted. No BA timbre, very natural. Perfect amount of treble detail and air while allowing it to scale at higher volumes. Super smooth dynamics and incredible coherency. TOTL resolution, detail, layering, imaging, and staging. Bass is fine, but not a basshead set - still has a nice slam to it. 07 still scales better and more 3D, but CAD12 stage is more open and better tech. If you don't blast your brains out like me then this is it (although I'm not sure if they're selling this version - maybe request it specifically/ask Joseph?) Jays Audio Youtube Channel
Letshuoer Cadenza 12 reviewed by: Jaytiss
Great timbre good on classical. Detailed and analytical, but too Safe. Jaytiss Youtube Channel
Letshuoer Cadenza 12 reviewed by: Precogvision
More 'musical' tonality with a touch of spice in the treble. Technicalities could use work for the price. Precogvision Youtube Channel
Letshuoer Cadenza 12 reviewed by: Tim Tuned
Pros: One of the best treble-head set. Lots of micro details. Cons: Treble will be too much for some. Tim Tuned Youtube Channel
Letshuoer Cadenza 12 reviewed by: Smirk Audio
Bouncy, liquid-like bass. Well-bodied, analogue mids and extended highs. Great staging on all axes. Decent resolution. Excellent all-rounder.
Letshuoer Cadenza 12 reviewed by: Z-Reviews
Letshuoer Cadenza 12 reviewed by: IEMRanking AI

The Letshuoer Cadenza 12 delivers a balanced sound signature with a slight warmth in the low end, providing clean and textured bass that avoids overwhelming the midrange. Its midrange presentation is natural and resolving, though some listeners noted a recession around 1-2kHz that could thin male vocals slightly, while the treble offers good extension but exhibits a noticeable peak around 10kHz that occasionally introduces harshness or an "echo" effect on certain instruments . Technical performance is a strength, with precise pinpoint imaging and an expansive, holographic soundstage that excels in complex orchestral passages, though some critics felt its resolution doesn’t fully justify the price against established flagships .
Comfort is generally strong due to the surprisingly lightweight titanium shells and ergonomic shape, allowing for extended listening sessions despite their size, though some users reported eventual ear fatigue . The mirror-finish shells attract fingerprints and scratches easily, and the included hybrid cable, while versatile with modular terminations, is often criticized for its stiffness and unwieldy handling . While the packaging and accessories—including a functional leather case and customizable ear tips—are premium, the overall value proposition is debated, particularly when comparing its technical performance to competitors near its $2,300 price .
Fir Audio E12 User Reviews
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Letshuoer Cadenza 12 User Reviews
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