Dunu Glacier VS AFUL Dawn-X

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Priced around $1,350, the Dunu Glacier is a premium nine-driver tribrid IEM featuring one dynamic driver, four balanced armatures, and four electrostatic drivers. The build quality is exceptional with a beautiful mirrored polished steel shell, though it's noted as a bit large, heavy, and a fingerprint magnet. Comfort is generally good, and it includes a high-quality, pliable cable with interchangeable connectors and a secure chin slider. Packaging is also highlighted as exceedingly well done, typical of Dunu's recent standards.

Sonically, the Glacier delivers a very bassy, extremely fun, and highly engaging V-shaped signature. The strong bass is balanced by prominent upper mids, offering good detail resolution and micro-details. However, a noticeable energy peak around 3kHz can make some tracks feel overly energetic, intimate, or even slightly shouty, limiting its versatility for mellower listening sessions. Comparisons place it near sets like the LETSHUOER Tera (less bass, cleaner) and ThieAudio Monarch MK I (less bass, more even upper mids), while noting it surpasses the Dunu Brain Dance (DK-31) in detail and bombast, though the Brain Dance offers significant value at half the price.

Ultimately, the Dunu Glacier stands out as a fantastic and unique IEM with satisfying bass weight, good imaging, and excellent micro-details. Its fun, bombastic character and high-quality build make it a compelling choice, but the specific upper-mid energy requires careful consideration. It earns a recommendation for those seeking an ultra-engaging Harman-style listen with top-tier driver tech, though demoing is advised due to its distinct tonal quirks.

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Large, sculpted shells with a bulbous rear (housing the bone conductor) make the Aful Dawn-X a substantial fit—comfortable for some, but risky for small ears. The stock cable feels quality but is 4.4 mm-only, and the case/accessories are tidy; importantly, the nozzle grips tips securely (unlike some past AFUL sets). Overall build is handsome and premium, with fit being the main variable.

Sonically, the tuning favors sub-bass over mid-bass, pairs rich mids with smooth, natural treble that avoids harsh spikes yet has mild 4–6 kHz energy, and presents a cohesive, almost speaker-like soundstage. It wakes up with a bit of volume/power, prioritizing clarity, micro-detail and air over outright slam; the bone conductor subtly supports the midrange more than the lows. At $1,300 it’s competitive for listeners chasing technical refinement and a natural tonality, while value seekers or mid-bass lovers may prefer cheaper AFUL options or sets with more punch.