Kiwi Ears Septet and Epz K9 use 1DD+4BA+1Planar+1PZT and 1DD+8BA driver setups respectively. Kiwi Ears Septet costs $269 while Epz K9 costs $299. Epz K9 is $30 more expensive. Epz K9 holds a slight 0.4-point edge in reviewer scores (7.3 vs 7.6). Epz K9 has significantly better mids with a 2-point edge, Epz K9 has significantly better treble with a 1.8-point edge, Epz K9 has significantly better dynamics with a 2.1-point edge and Epz K9 has slightly better soundstage with a 0.4-point edge.
Insights
Metric | Kiwi Ears Septet | Epz K9 |
---|---|---|
Bass | 7.3 | 8.4 |
Mids | 5 | 7 |
Treble | 5 | 6.8 |
Details | 7.3 | 7.7 |
Soundstage | 7 | 7.4 |
Imaging | 7.3 | 7.8 |
Dynamics | 6 | 8.1 |
Tonality | 7.1 | 7.7 |
Technicalities | 7.2 | 7.3 |
Kiwi Ears Septet Aggregated Review Score
Average Reviewer Scores
Epz K9 Aggregated Review Score
Average Reviewer Scores
Kiwi Ears Septet Details
Driver Configuration: 1DD+4BA+1Planar+1PZT
Tuning Type: Neutral-bright
Brand: Kiwi Ears Top Kiwi Ears IEMs
Price (Msrp): $269
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Epz K9 Details
Driver Configuration: 1DD+8BA
Tuning Type: Warm W-Shaped
Price (Msrp): $299
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Kiwi Ears Septet User Review Score
Average User Scores
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Epz K9 User Review Score
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Kiwi Ears Septet Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.1Gaming Grade
A-Epz K9 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.1Gaming Grade
A-Kiwi Ears Septet Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.
Average Technical Grade
A-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Epz K9 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Kiwi Ears Septet Reviews
Reviewed by: Jays Audio
Kiwi Ears Septet lands as an airy, spacious, and distinctly sparkly listen with a clear bright-leaning tilt that avoids harshness. Despite a notable 5–8 kHz lift, the treble comes across refined rather than peaky, while a touch of mid-bass warmth keeps the tonality musical and natural. The result is punchy drums and momentum on rock and acoustic tracks, with technicals that punch above price—layering and separation sit around Dusk/Pilgrim territory. It’s like a more airy, sparklier Meta with less forward vocals and less artificial sheen than ultra-bright sets. The “open-back” faceplate doesn’t audibly change things, but staging still feels wide.
Fit and setup matter: a deep seal smooths treble; tips like Softears Alpha Clear or Tangzu Sancai can tame peaks. The Septet scales nicely on slower tracks up to ~80 dB, but on energetic K-pop/J-pop/hip-hop it can turn hot—hi-hats may sting if the volume creeps. Comfort is solid at mid volume for hours, though sensitive ears may feel fatigue over long sessions, especially in that 5–8 kHz zone. Vocals are set back: clean and inoffensive rather than shouty, but on busy rock they can feel a touch distant. This is a treble-forward, technical presentation; not a mid-centric vocal specialist and not a bass-head set—low end is adequate but softer in impact and pushed slightly to the back.
Versus peers: Astral is the safer all-rounder with more forward vocals and less brightness; Quintet is the vocal-oriented pick, while Septet is smoother, airier, and a bit more micro-detailed. Recent Orchestra Light (unit-dependent) sounds more V-shaped and shouty; Septet takes tuning and technicals. Odyssey wins on immersion, bass texture, and vocal pop at loud volumes, but Septet brings better air, separation, and detail at normal levels. Compared with Lush, Septet is brighter and more resolving; Lush is smoother and one of the best scalers under $300 if you like it loud. For vocals first, look to EPZ P50, Cadenza 4, or Tanjim Origin; for bassier fun under $300, consider DSKO, Estrella, Deuce, or Tros. If a sparkly, airy, technical flavor that stands apart from “Harman-by-default” is appealing, Septet is a worthwhile add to the collection.
Jays Audio Youtube Channel
Reviewed by: Jaytiss
Reviewed by: IEMRanking AI

The Kiwi Ears Septet delivers a neutral-bright sound signature characterized by clear vocals and a notably forward treble that enhances detail retrieval, particularly in female vocals and acoustic instruments. Its bass response is neutral and controlled, lacking the weight of closed-back designs but offering tight, fast decay. While this tuning excels with well-recorded tracks, it can become fatiguing with bright or poorly mastered material due to its upper-midrange and treble emphasis. The open-back design contributes to an airy presentation, though it reduces isolation significantly.
Technically, the Septet showcases a wide soundstage with precise imaging and strong microdynamics, allowing subtle instrumental textures to shine. Its seven-driver quadbrid configuration (dynamic, balanced armature, planar, and piezoelectric) integrates cohesively through a sophisticated 5-way crossover. However, the low sensitivity (95dB) demands powerful sources to avoid dynamic compression, and the open-back design makes it less suitable for noisy environments despite its comfortable fit.
Epz K9 Reviews
Reviewed by: Jaytiss
2025-09-21Jaytiss Youtube Channel
Reviewed by: Jays Audio
EPZ K9 lands as a sweet, balanced all-rounder with a tasteful, slightly V-shaped tilt. Bass is snappy and well-controlled, with a mid-bass fill that adds natural note weight to vocals and drums without muddying the mids. Treble extends cleanly with a hint of air, steering clear of both dullness and sharpness, while imaging is a touch sharper than entry peers. Think EM6L’s vibe but less shouty up top, a bit more resolving, and a clear upgrade path from sets like the Clean/EW300.
Against rivals, K9 takes a more vocal-centric approach: fuller mid-bass, smoother presence, and better slam/body on drums. Astral counters with stronger sub-bass texture, extra air, and a tamer upper-mid for high-energy genres; both trade blows on detail with K9 edging imaging. Versus Odyssey, K9 offers cleaner treble extension and forward vocals, while Odyssey is bassier, with deeper sub-bass texture and louder-volume scaling. Overall technicals sit around Pilgrim/Dusk level, which is solid for the price, especially with the nicer cable, case, and a black color option.
Usability is largely easygoing—tip-rolling is flexible and the stock clears keep things smooth—though the shell edge can feel uncomfortable over long sessions. Best at mid-volume listening (around 60–65 dB); push higher and upper mids/treble can get lively on K-pop/EDM, while R&B/indie scales sweetly up to ~75 dB. Compared with bass-tilted sets (Tea Pro/Hype 4/Estrella/Punch/Martello), K9 is cleaner, tighter, and more mid-range focused; versus neutral leaners (Pilgrim/Dusk/Canon Pro/“5+2”), it has a more complete upper-mid for vocals. Not a market-breaker in pure price/perf, but as a refined, musical package with balanced tonality and comfort-adjacent caveats, K9 is a very solid all-rounder.
Jays Audio Youtube Channel
Reviewed by: IEMRanking AI
2025-09-21
The EPZ K9 is a 9-driver hybrid (1DD+8BA) with a 3-way acoustic/electronic crossover, rated at 14 Ω and 108 dB sensitivity; it also ships with interchangeable 3.5 mm/4.4 mm plugs, making it easy to pair with portable sources. Retail pricing varies by region—seen around $299 at some retailers and into the low-$400s elsewhere—so value will depend on where it’s purchased.
Tonally, K9 presents a warm W-shaped balance with substantive mid-bass and a restrained but present upper-mid/treble rise, aiming for smoothness over bite. Frequency-response sets published by community sources also show insertion-depth sensitivity (deep vs shallow), which helps explain reports of “calmer” treble and broader perceived width with deeper seals.
Technical performance is competent for the segment: macro-dynamics and bass slam are a noted strength, while resolution and imaging sit a touch below the class leaders; stage is more wide than deep, but cohesive for a multi-BA hybrid. Multiple long-form impressions describe it as clean and open yet non-fatiguing, which aligns with a safe-tilt treble and fuller lower mids.
Kiwi Ears Septet User Reviews
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