HIDIZS AP80 PRO MAX Copper Edition Review - Headfonics

The sound quality upgrade on the Hidizs AP80 PRO MAX Copper Edition is subtle rather than dramatic, the difference becomes difficult to ignore once noticed, making it hard to return to the aluminum version despite its already solid performance. 

While these improvements may be negligible to many listeners, extended listening reveals a slightly wider soundstage and cleaner background decay on the Copper model. Despite identical internal specifications, repeated comparisons still suggest faint but perceptible sonic distinctions between the two.

Bass — Controlled Impact with Precision
The bass is weighty-sounding yet neutral and fast, with good grip, control, and tightness even with difficult-to-drive IEMs and headphones. There is no muddiness, even with complex music; the bass remains detailed and articulate.

Midrange — Natural, Clean, and Full-Bodied
I find the midrange very neutral, coloration-free, and clean. It is lush, has accurate note weight, and never sounds thin, as more expensive DAPs often do, yet it is clean and detailed.

Treble — Airy Extension with Refined Detail
The treble is neutrally presented, extended, and airy, with very fine, clean microdetails. The background is very clean and dark without shortening the decay, and the instrument decay sounds lush.

The AP80 PRO MAX Copper has a very neutral tonality, with excellent treble extension and neutral bass, just a subtle amount of warmth. There is no exaggeration in any frequency range to color the sound.

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