The Kiwi Ears Quintet is a $219 five-driver, four-technology IEM, and the things reviewers agree on are unusually easy to state: it is strong value, it resolves well above its price, it is comfortable (a light 4.7 g shell that most people forget they are wearing), it is solidly built, and it is easy to drive from a phone or dongle at 32 ohms. Everyone hears roughly the same shape — a U or gentle V, with both ends lifted around a fairly neutral midrange, close to a Harman-style target — and nearly everyone rates the detail and separation a highlight. The recurring practical gripes are equally consistent: the stock eartips are poor, and there is no balanced-cable option in the box. Two things genuinely divide opinion. The treble splits almost exactly down the middle: one camp calls it rich, refined and free of sibilance, the other finds it prominent, exaggerated, occasionally metallic on cymbals, and intense on bright or loud material. That split is not vague — three independent sources trace it to the same physical peak near 7 kHz, and the listeners who dislike it mostly EQ it down rather than sell the set, which makes volume, eartips and mastering better predictors than the graph alone. The bass divides on character rather than quality: some hear a thick, warm, full-bodied low end that glows into the lower mids, others a clean, sub-bass-led bass with a deliberately light mid-bass that will not satisfy bassheads — and they disagree flatly on whether it bleeds. Two lone dissents are worth knowing about: one well-regarded outlet finds the imaging and staging merely average where everyone else calls them a strength, and another finds the dynamics a touch flat.
About this product
The 2023 Kiwi Ears Quintet: five drivers of four different technologies per side — one 10 mm diamond-like-carbon (DLC) dynamic driver, two Knowles balanced armatures, one 5 mm micro planar transducer (MPT) tweeter and one piezoelectric (PZT) bone conductor — hence the 'quadbrid' label. Black 3D-printed resin shells with brushed metal faceplates, 0.78 mm 2-pin, and a silver-plated OFC cable terminated in 3.5 mm single-ended only; there is no 4.4 mm balanced option. Rated 32 O and easy to drive (published sensitivity varies between listings, 106 vs 108 dB/mW). Not the cheaper Quartet, nor the later KE4, Astral or Septet.
The Kiwi Ears Quintet is a $219 in-ear monitor that crams four different driver technologies into one shell: a dynamic driver for bass, twin balanced armatures for the mids, a micro planar tweeter, and a piezoelectric bone conductor for the very top. Five drivers, four types — a 'quadbrid', and at launch an unusually ambitious one for the money.
It could easily have been a stunt. Instead the Quintet became one of the most durable recommendations in its bracket, praised for coherence as much as for spec-sheet novelty. What reviewers cannot settle is its character: the same top end reads as rich and refined to one half of them and prominent, exaggerated or faintly metallic to the other, and they contradict each other outright on whether the bass is thick and warm or lean and sub-bass-led.