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Kiwi Ears KE4 II

Benchmark Tuning 1DD + 2BA + 1 Planar Tribrid IEM
$199.00
New driver architecture
1 planar, 2 balanced armature and 1 dynamic driver
Biocellulose dynamic subwoofer
Delivers precision sub-bass and bass impact
Custom balanced armatures
Focus on layered and articulate mids and lower-trebles
Refined modern sound signature
Balances neutrality with musicality for every genre

A Legend, Reimagined

A redesigned hybrid IEM engineered for greater resolution, midrange texture, and balanced musicality.

Following the legacy of the original KE4, the KE4 II features a completely redesigned efficient driver architecture, a refined modern sound signature, and handcrafted medical-grade resin shells for a dependable listening experience.

1 Planar + 2BA + 1DD hybrid configuration

10mm biocellulose dynamic driver subwoofer

Custom balanced armature and ultra-treble tweeter

3-way crossover with 3 acoustic tubes

Kiwi Ears KE4 II
Kiwi Ears KE4 II
Kiwi Ears KE4 II

Completely redesigned driver architecture.

Utilizing a completely new driver configuration that optimizes driver load and achieves greater resolution, midrange texture, and timbre.

1 x Ultra-treble planar tweeter
2 x Custom mid-high frequency balanced armature drivers
1 x 10mm biocellulose dynamic driver subwoofer
01 Biocellulose dynamic driver subwoofer

A single 10mm biocellulose dynamic driver delivers precision sub-bass and clean bass impact.

02 Custom balanced armature drivers

Two custom balanced armature drivers focus on layered and articulate mids and lower-trebles.

03 Ultra-treble planar tweeter

A single custom ultra-treble tweeter brings out airy micro-details and natural fatigue-free listening.

The KE4 II was tuned following a new tonal ideology, balancing neutrality with musicality to deliver an incredible performance across every musical genre.

Bass 8 dB sub-bass shelf, cut clean at 200 Hz
Mids Neutral, slightly recessed — detail over warmth
Treble MEMS air, natural extension to 42 kHz
Soundstage Above-average width, strong height & depth
Imaging Precise placement, standout separation

How It Sounds

Balanced neutrality with musicality

Dedicated 8dB sub-bass shelf, studio monitor flat midrange, and a natural 3kHz treble peak for fatigue-free listening.

Neutrality
Musicality
Balanced
Redesigned Hybrid Architecture

A Legend, Reimagined

Redesigned Hybrid Architecture

Featuring a completely redesigned efficient driver architecture, the KE4 II builds upon global acclaim to achieve greater resolution, midrange texture, and balanced musicality.

Who it's for

Balanced neutrality with musicality

The music lover

Incredible performance across every genre, whether pop, rock, hip-hop, or classical music.

Music LoverGenresMusicality

The professional

A dependable tool for stage performance, sound engineering, and critical listening.

ProfessionalStudioReliable

The gamer

Precise driver architecture and spacious soundstage optimized for gaming scenarios.

GamerSpatialGaming

Redesigned Driver Architecture And Detachable Design

The KE4 II features a completely redesigned efficient driver architecture, handcrafted medical-grade resin shells, and a detachable 2pin 0.78mm cable system for long-lasting daily use.

VocalsAcousticAll Genres

Balanced Neutrality With Musicality

The KE4 II delivers a refined modern sound signature that balances neutrality with musicality. The dedicated 8dB sub-bass shelf and flat studio monitor midrange make vocals and instruments sound incredible across every musical genre.

8dBSub-Bass Shelf
3kHzTreble Peak
Stage PerformanceSound EngineeringGaming

Versatile Performance Tool

Engineered with a 1 Planar + 2BA + 1DD hybrid setup and 3-way crossover with 3 acoustic tubes, serving as a dependable tool for performers, engineers, and gamers.

1 Planar + 2BA + 1DDHybrid IEM
3Way Crossover

Everyday music listening

Balanced sound signature that is perfect for every musical genre and daily enjoyment

Vocals and instruments

Studio monitor flat midrange allows music to be heard as recorded without artificial coloration

How it compares

Technical Specifications

What's in the box

Inside the Box

Product

Kiwi Ears KE4 II IEMs × 1 Pair

Cable

Detachable 2pin 0.78mm Cable × 1

Plugs

3.5mm Plug × 1

Plugs

4.4mm Plug × 1

Extras

Nozzle Filters × 4

Eartips

Silicone Ear Tips (S, M, L) x 3 Pairs

Extras

User Manual and Warranty Information

Drivers

Configuration

1 planar driver + 2 balanced armature drivers + 1 dynamic driver

Low-Frequency Driver

1 x 10mm biocellulose dynamic driver subwoofer

Mid-High Frequency Drivers

2 x Custom balanced armature drivers

Ultra-High-Frequency Driver

1 x Planar driver

Acoustics

Impedance

13Ω @ 1kHz ±1Ω

Sensitivity

104dB @ 1kHz ±1dB

Frequency Response

20Hz–20kHz

Crossover / Acoustic Design

3-way crossover with 3 acoustic tubes

Build & Cable

Shell Material

Handcrafted medical-grade resin

Cable System

Detachable 2pin 0.78mm cable

Cable

Cable

Detachable 2pin 0.78mm Cable × 1

How it compares

KE4 II in the lineup.

Kiwi Ears KE4 II Kiwi Ears KE4 II
Kiwi Ears KE4 Kiwi Ears KE44.67
Kiwi Ears x B_Media: Chorus Kiwi Ears x B_Media Chorus4.62
Kiwi Ears Astral Kiwi Ears Astral4.81

Signature

["Balanced", " Neutral", "Musical"]

["MEMS", "Configurable", "Hybrid"]

["Coherent", " Lively", "Everyday"]

["Sub-Bass", "Open Mids", "Sparkle"]

Best for

["Music lovers and Gamers"]

["The tuning explorer"]

["The single-driver purist"]

["The flagship hybrid listener"]

Standout

1 Planar + 2BA + 1DD hybrid driver architecture

Five-driver hybrid array

10 mm titanium diaphragm

10 mm bioceramic dynamic driver

Price

$199.00

$169.15

$33.99

$254.15

unboxing video

See it in Motion.

Verified buyers

Customer Reviews

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Before you buy

Product FAQ.

The KE4 II features a completely redesigned hybrid driver configuration consisting of 1 planar driver, 2 balanced armature drivers, and 1 dynamic driver.
It optimizes driver load, especially in the mids and trebles, achieving greater resolution, midrange texture, and improved technical performance and timbre compared to the original KE4.
It balances neutrality with musicality, featuring an 8dB sub-bass shelf, a flat studio monitor midrange, a natural 3kHz treble peak, and a tamed ultra-treble for fatigue-free listening.
Yes, the KE4 II comes standard with a detachable 2pin 0.78mm cable system, allowing users to customize their listening experience and extend the product's longevity.