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The Noble FoKus Rex5 delivers a detailed and resolving sound signature, leveraging its uncommon five-driver tribrid configuration (10mm dynamic driver for lows, three BAs for mids, and a 6mm planar for highs) to achieve strong separation and a wide soundstage. While the default tuning leans toward clarity with a restrained low end, the exceptional EQ flexibility via the Noble FoKus app—including Audiodo's personalized hearing profile—allows users to effectively tailor the bass response and overall balance without significant degradation in quality .

Practical performance is mixed: The compact aluminum build and comfortable fit excel, but battery life is underwhelming at 5 hours (ANC on) or 7 hours (ANC off), falling short of many competitors. Features like multipoint connectivity, LDAC support, and effective ANC are highlights, though touch controls can be overly sensitive during handling, and the app's battery monitoring below 20% is reportedly unreliable .

- IEMRanking AI

Warm, relaxed IEM - technical enough. Has a bass boost. Pretty decent option.

Super* Review original ranking

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I would note - great for R6

Fresh Reviews original ranking

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Z-Reviews original ranking

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The Yanyin Canon II delivers a bass performance that stands out in its price range, offering deep extension and textured rumble without overwhelming the mix. Its bio-diaphragm dynamic driver, housed in a dual-chamber design, provides tight control and physicality to low frequencies, making genres like hip-hop and electronic music particularly engaging. The warm, rich midrange maintains good vocal presence and natural timbre, though upper mids can occasionally border on shoutiness with certain tracks.

Treble response is well-extended but exhibits minor inconsistencies, with some roughness in cymbal crashes and upper harmonics that can detract from long-term listening comfort. Technically, the IEM excels in resolution and imaging precision, presenting instruments with strong separation, though its soundstage width remains average. The two bass tuning switches offer subtle adjustments rather than transformative changes, limiting sound customization versatility.

Comfort is a highlight, with the medical-grade resin shells providing an ergonomic fit suitable for extended sessions. However, accessories feel sparse for the price, including only basic ear tips and a serviceable cable. Isolation proves adequate for daily use despite the vented design.

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- IEMRanking AI