~*@#! Like your average bloke not asking directions before starting a daytrip, I quickly undid the cable's single-ended tip to mount the 4.4mm version. Hola. Four holes + four pins = four configs. Even Ivette's reading glasses couldn't make out markings to show the correct orientation. So my first two attempts driving blind caused bad distortion. Saving my better curses for another day, my next grocery run simply picked up a pair of extra-strong readers from Tesco. Et voilà, now I could make out what seemed like a faint groove and dot marker. Model-year 1962 eyes clearly aren't today's target audience. Just so, three was the charm and I and the cable connection in biz. Spinning up a Mercan Dede remix of L'Antidote's "Ma Na Na" track, I got hands on. Whilst the AC55 were gamely hanging off my pink bits—a fab barely-there experience by the way!—my fingers gradually applied ever more pressure onto them. As logic predicted, things got ever more bassy and ringy. To compensate for LF losses without proper seal, aune obviously boost the low end. Unless you fall asleep on one ear or get all handsy as I did, you'll simply never hear that. Clipped to just hang off like limp noodles, I was surprised that the tonal balance on wideband music was only slightly lightweight and midrange centric. On pure podcasts, applying extra pressure shifted nada. The speaking voice has narrow bandwidth to make these the perfect podcast companions. With my first read in the can, it was time to get familiar. Being ultra lightweight so super comfy yet with those soft-touch clips' long curves perfectly non-slip secure, getting familiar so wouldn't be a chore. This comes from someone who really dislikes jamming up his ear canals with IEM nozzles and who Q-tips them every day to remain wide open. Our kind thus is stuck with the big heavy on/over-ear brigade; or what to me was this entirely new category of clip-ons. Hey, never too grey to learn something new!

Whilst I'm no oracle, I do firmly predict that anyone EMS allergic will adore these aune. I mean ear-muff syndrome. It's my term for the unholy trinity of build-up of warmth, on-ear pressurization and potential minor claustrophobia which has some people dislike the physical sensation of wearing over-ears. It's one thing to wear ear muffs in the winter to keep warm. It's quite another to replicate the sensation indoors to enjoy music listening. Because of their loose fit and nothing really cupping our ears, the AC55 doesn't cause EMS. For the right user that fact alone could put this aune on a very short list. There I was ignorant of this species a day ago and now sound like an expert already. The bloody cheek of it! What to contrast the aune against? My closest over-ear was FiiO's €299 32Ω FT3. Though compact unlike its FT7 stablemate, in this juxtaposition it's necessarily huge, bulky, heavy and masculine of styling. That (cough) drives home who else could gravitate to the dainty barely-there AC55 if the sound was remotely competitive.

It was; and not remotely. The FiiO's sub-80Hz cover was heavier, giving its reading more coffee-bean blackness and gravitas. On the flipside, the sensation of air trapped between ear cushions and cup covers caused an immediate subtext of minor compression, resonance and opacity. The aune's centre of gravity sat higher – tenor not baritone. This upshifted the midrange for relatively greater prominence. Whilst gravitas was lighter, more virtual light flooded the sonic scenery. As is typical for such shifted weighting, aune's reading felt more resolved, quick and 'acoustic', FiiO's darker, more robust and 'amplified'. The gist of this contrast was supremely sensible. Anyone thinking over the various practical implications of dissimilar construction could have safely predicted it though perhaps not the sharp/soft attribution where the FT3 had more edge or bite on transients to suggest more muscularity. What I didn't think sensible was actual competitiveness beyond a narrow focus on Techno & Sons where the FiiO conformed to the genre's bottom-up expectations and the aune lacked raw crunch. On acoustic fare with plucked or bowed uprights not synths however, I favoured the aune's more adroit fleet-footedness and harmonic illumination. Though I entered this gig with virtually zero expectations given personal novelty, arriving at such alternate validity really eclipsed what I had subconsciously allowed. If this is how good clip-ons can perform, why hadn't I known about this wear option sooner? Ivette would have loved these. My wife adored anything petite and beautiful and despised wearing a bulky audio contraption on her head or stuffing IEM sealants into her ears. Today's encounter of the third kind would have really suited her. I was a bit shocked that it did me, too. My newness on the matter prevents me from saying anything about other clip-ons. Without doing the Google grind, I in fact know of no others.

Here's what I do know. With its faux rose-gold trim, sleek style and friendly $219 ask, it would be all too easy to write off aune's AC55 as a tactical fashion stunt worn by impossibly gorgeous AI-generated or at least airbrushed fashion models in glossy adverts aimed at hip 'n' happening youngsters. Hard-boiled audiophiles always carry with them an arsenal of derogatory 'lifestyle' pins to instantly disqualify all such efforts. Next. Thankfully for aune, I'm fresh out of pins. Whilst equally fresh out of hipness and youth, my hearing is still happening. And that says, overlook this at your own detriment and loss. Wear comfort alone writes an entirely new chapter if all we know are 400-500g+ helmets or compact nozzle jammers. Against FiiO's FT3 as one of the better over-ear dynamics at its ask, aune's AC55 wasn't at all embarrassed. Is that normal for a clip-on? Or have aune pushed that kayak out farther than normal? For that and more, canvas the wicked Interwebs for properly informed opinions. At the very least you now know that the aune AC55 exists; and had a 23-year vet on this beat at hello. That's no bad start. As for yours truly, I shall spring this on my next Darko podcast wearing an Irish cap to fake up extra hipness. The aune's open-backed nature might create a feedback loop with my mic recording our voices in slightly time-delayed duplicate. If so, I'll have to resort to one of my sealed helmets and show off what's left of my silvery scalp instead. Before you rush off to elsewhere, here's a final takeaway. My currently favourite dynamic headphone is aune's sealed SR7000. I also have its open-backed AR5000 sibling, the pure class A S17Pro Evo amp and very recently reviewed the latter's €399 N7 brother which outputs 6.5wpc into 32Ω balanced. Though I still don't know how to properly pronounce it, put some respect on the brand aune. Everything I tested by them thus far has been excellent value and quality. Perhaps I shouldn't be so surprised that the AC55 would follow suit? By opening the doors of the HeadFi kingdom to haters of over-ears and IEM, this clip-on has now booked a brief mention in my upcoming Favourite Finds of 2025 feature.

PS: From my aune contact Shelly Chan, "about the pronunciation, let me explain. Actually the appearance of the logo came first. It was inspired by the concept of Yin-Yang, our Chinese philosophy of balance. The rounded design of the letters conveys a message of peace and gentleness. The openings on four sides indicate inclusiveness. You'll notice it looks the same upside down. Later we found that it is a word that exists in Nordic languages. So for pronunciation we can refer to that. It's like /aʊ ne/. But the core is still very Chinese. Compared with pronunciation, the appearance is more important." Meanwhile AI Overview claims that aune has multiple possible meanings. It can be an old French cloth-measure unit; a Finnish woman's name meaning 'morning' or 'dawn'; a Norwegian surname meaning 'wasteland'; or a short form of audun or audny from the Old Norse word for 'wealth' and 'fortune'. So 'dawn of fortune' perhaps?