EPZ P50 VS Yu9 Que

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The YU9 Que sports a premium, durable resin shell in pure black with a metallic-feeling faceplate and a comfortable design featuring an anti-tragus catch. While the build itself feels handsome and unique, the included cable is criticized as wimpy and unpleasant, with a strong suggestion to upgrade it. Accessories are deemed solid, including a nice selection of tips and a particularly praised case with a soft, luxurious interior.

Sonically, the YU9 Que earns immense praise for its exceptional tuning, described as clean, resolute, and non-fatiguing. It delivers strong, textured bass that avoids being overwhelming, coupled with extremely well-done upper mids. While not class-leading in technicalities like micro-detail or instrument separation, its tonal balance is considered sophisticated and reminiscent of far more expensive sets like the Annihilator, even surpassing the Monarch MKII in tuning preference. It's highlighted as a fantastic all-rounder with a smooth, agreeable signature suitable for long listening sessions.

Despite its modest single dynamic driver + 3BA configuration and $409 price point, the YU9 Que is declared a very special and unique IEM, worthy of the hype it received. The review concludes it's a price leader and a highly competent package from a small brand, offering outstanding value and a beautiful, well-executed design that makes it an easy recommendation for those seeking a smooth, non-fatiguing sound.

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YU9 Audio’s QUE blends thoughtful design with a restrained driver mix—1DD + 2ED + custom WBFK—to pursue a clean, neutral presentation rather than spec-sheet flash. The matte, sandblasted aluminum shell looks simple yet refined, and the overall build recalls the word “阙” (palace), hinting at structure and stability. What stands out sonically is the tidy, well-drawn background: notes feel neatly edged, with separation that avoids smearing or overlap.

Sub-bass reach and punch are satisfying, with a quick, bouncy response and clear layering down into the rumble. The mids place vocals slightly forward, helped by gain in the 700 Hz–2 kHz region, yielding bigger vocal images without sounding shouty. Treble rises more than JM-1, peaking around 4–5 kHz before a natural roll-off; this sharpens articulation and female vocals but introduces audible sibilance on “th/tsu” sounds—present yet short of piercing. Stage width exceeds expectations for the price, depth is modest, and imaging stays orderly. For listeners sensitive to brighter treble, caution is warranted; for everyone else, QUE delivers a convincingly balanced, all-round tuning that justifies the hype.

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Yu9’s Que lands as a “safer Annihilator”: a warmer, scaled-back take that pushes ample sub-bass while keeping the rest tastefully controlled. The low end feels liquidy and bouncy, underpinning an aggressive 1–3 kHz rise with a gentle 3–5 kHz taper, so vocals sit upfront and crisp yet remain remarkably smooth thanks to the extra low-end warmth. Treble is slightly scooped around 5–6 kHz and then climbs in small, well-placed peaks out to ~15–18 kHz, yielding excellent extension that feels on par with sets like Moondrop Variations in this range.

What makes it pop is the value proposition: at $400, the overall resolution, tonal balance, and staging read far pricier—more like the $700–800 bracket. With its engaging sub-bass lift, lucid mids, and airy yet controlled top end, Que comes off as a polished, crowd-friendly tuning that still excites detail chasers. If momentum holds, this looks like the next big thing around the $400 mark.