4.8 out of 5 StarsBased on 24 reviews

Kiwi Ears Astral

Seven-driver hybrid IEM with 10 mm bioceramic dynamic driver

10 mm bioceramic

Low-frequency driver supplies deep extension

Six balanced armatures

Dedicated BA groups add midrange articulation

Nine-decibel sub-bass shelf

The published tuning lifts

Integrated Hybrid Driver System

The multi-driver system is organized

1-Year Warranty7-Day ReturnsFree Shipping over $50

Recommended Pairings

Eartips

Kiwi EarsFlex Ear Tips

$14.99

Cable Convertors

Kiwi EarsAD1

$9.994.5

Accessories

Kiwi EarsSonicap

$25.995.0

Seven-Driver Hybrid Performance

Flagship-scale energy with a balanced, high-resolution core.

Astral uses a custom 10 mm bioceramic dynamic driver for the low frequencies and six balanced armatures for the mids and highs. Its tuning adds a measured sub-bass lift while keeping the central midrange open

10 mm bioceramic dynamic driver

Six balanced armatures

Nine-decibel sub-bass shelf

High-resolution hybrid crossover

Flagship-scale energy with a balanced

Seven-driver hybrid that combines a bioceramic dynamic driver with six balanced armatures for authoritative sub-bass, open mids, and sparkling treble.

10 mm bioceramic dynamic driver

Six balanced armatures

01 10 mm bioceramic

The low-frequency driver supplies deep extension, physical impact, and natural decay for bass instruments and cinematic effects.

02 Six balanced armatures

Dedicated BA groups add midrange articulation and upper-frequency resolution across complex arrangements.

03 Nine-decibel sub-bass shelf

The published tuning lifts the deepest bass while returning toward a flatter midrange to reduce unnecessary low-mid masking.

04 High-resolution hybrid crossover

The multi-driver system is organized to combine dynamic bass weight with BA speed and detail.

Astral is tuned as a vivid, high-resolution hybrid with a deliberate sub-bass foundation, open central mids, and treble that adds sparkle and air.

Kiwi Ears Astral

Levels matched at 1 kHz

The result is a completely balanced tone that accurately reflects the best qualities of each driver.

Bass Deep rumble with a clean transition

Mids Clear vocals above the bass foundation

Treble Bright, extended highs with pronounced sparkle

Soundstage Open width with convincing layered depth

Imaging Precise locations with strong instrument separation

How It Sounds

Deep sub-bass, open mids

Astral balances physical low-end authority with a clear midrange and an energetic, extended top end, creating a flagship-style presentation that remains organized across complex music.

Sub-Bass

Open Mids

Sparkle

10 mm bioceramic dynamic driver

Six balanced armatures

Dedicated BA groups add midrange articulation and upper-frequency resolution across complex arrangements.

Who it's for

Deep sub-bass, open mids

For Professional and Audiophile Listeners

A 1DD+6BA architecture delivers the scale, separation, and frequency coverage expected from a high-end hybrid.

Seven DriversHybridFlagship

The sub-bass enthusiast

A deliberate low-frequency shelf gives electronic, orchestral, and cinematic material deep physical foundation.

Sub-BassDepthImpact

The detail seeker

Six balanced armatures preserve articulation and small upper-frequency information above the elevated low end.

DetailSeparationAir

The energetic all-rounder

Astral combines bass authority and treble sparkle without abandoning a clear, open midrange.

EnergeticBalancedVersatile

Professional Audiophile IEM

Designed to deliver premium audio resolution and exceptional tonal balance without compromising accuracy or precision.

electronic musichiphoppoporchestral

Balanced Sound, Precise Detail

Deep dynamic-driver bass, neutral mids, and six-BA detail deliver a spacious and precise listening experience without compromising accuracy

9 dBsub-bass shelf

15 kHzTreble Extension

Immersive gamesSpatial audio

Immersive, Precise Sound

Accurate separation and precise placement make the Astral suitable for professional music engineering, audiophile listening, immersive games, and spatial audio.

10 mmDynamic Driver

6 Balanced ArmatureDrivers

Flagship Listening Experience

Deep dynamic-driver bass, neutral mids, and six-BA detail deliver a spacious and precise listening experience without compromising accuracy.

Orchestral, live, and layered recordings

Broad staging, extended treble, and dedicated BA groups help separate large ensembles and preserve ambient information.

How it compares

Technical Specifications

Inside the Box

Monitors

Kiwi Ears Astral IEM × 1 Pair

Eartips

Small, Medium, Large Silicone Pairs × 3 Pairs

Cable

Kiwi Ears IEM Cable × 1

Extras

Extra 4.4mm Plug × 1

Extras

Filter Mesh × 4 pcs

Storage

IEM Storage Box × 1

Extras

User Manual × 1

Drivers

Configuration

1 x 10 mm bioceramic dynamic

Balanced Armatures

6 x balanced armature

Driver Allocation

2 dual midrange BA modules

Acoustics

Impedance

23 Ohm +/- 1 Ohm

Sensitivity

105 dB +/- 1 dB

Frequency Response

10 Hz-22 kHz

Distortion (THD)

<1%

Tuning reference

Approx. 9 dB sub-bass shelf; flat central

Crossover / tuning

Dynamic-driver handoff near 300 Hz; midrange target

Build & Fit

Shell

Universal-fit in-ear shell

Connector

Detachable cable

Variants

Blue and Green color variants

Cable

1.2 m detachable cable

How it compares

Astral in the lineup.

Kiwi Ears Astral4.79

Kiwi Ears Orchestra II4.82

Kiwi Ears Septet 4.55

Signature

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

["Reference", "Detailed", "Controlled"]

["Open-Back", "Quadbrid", "Airy"]

Best for

["The flagship hybrid listener"]

["The studio listener", "Music Enthusiasts", "Gamers", "Stage musicians"]

["The technology enthusiast"]

Standout

10 mm bioceramic dynamic driver

Ten balanced armatures per side

Seven drivers across four technologies

Price

$299.00

$349.00

$269.00

unboxing video

See it in Motion.

Verified buyers

Customer Reviews

Get the most out of it

Pairs well with

In-Ear Monitors

Kiwi Ears

KE4 II

$0.00

Reservation Card

Kiwi Ears

$1 Reservation Card For KE4 II

$1.00

In-Ear Monitors

Kiwi Ears × ふぐみかん

EMBER

$135.00

DAC/AMP

Kiwi Ears

Coda

$29.99

Eartips

Kiwi Ears

Kiwi Ears Flow Ear Tips

$9.99

Audio Cable

Kiwi Ears x B Media

Terras Headphone Cable

From $47.99

Before you buy

Product FAQ.

Astral balances physical low-end authority with a clear midrange and an energetic, extended top end, creating a flagship-style presentation that remains organized across complex music.

Kiwi Ears Astral is especially well suited to the flagship hybrid listener, the sub-bass enthusiast, the detail seeker, and the energetic all-rounder. It is a seven-driver hybrid that combines a bioceramic dynamic driver with six balanced armatures for authoritative sub-bass, open mids, and sparkling treble.

Yes. Wide staging, strong separation, and extended treble help locate movement and environmental cues while the dynamic driver gives effects convincing depth.

At 23 Ohm and 105 dB sensitivity, Astral is compatible with many clean portable sources. A dedicated DAC/amp can add finer volume control, lower noise, and more connection options.

The current official listing describes a detachable cable, but it does not publish the earphone connector standard or source plug.

The current official package list includes 1 pair Kiwi Ears Astral IEMs and User manual.

Start with the size that seals evenly without creating pressure. A consistent seal is essential for bass extension, channel balance, isolation, and stable imaging.

Pair it with a clean source and the correct cable termination. Relevant Kiwi Ears options in this content set include Kiwi Ears Allegro Pro, Kiwi Ears x B_Media: Terras, and Kiwi Ears Sonicap.