4.0 out of 5 StarsBased on 1 review

Kiwi Ears Halcyon

Five-driver hybrid IEM with dynamic, triple BA, MEMS, tuning filters
$259.00
Five-driver hybrid array
Dynamic driver handles bass, three BAs
MEMS high-frequency driver
The solid-state MEMS transducer contributes
Interchangeable nozzle filters
Six filters provide a physical way
Aerospace-grade aluminum shell
The lightweight metal housing
1-Year Warranty7-Day ReturnsFree Shipping over $50

Dynamic + BA + MEMS

A configurable hybrid platform for music, gaming, and high-frequency extension.

Halcyon combines one 10 mm dynamic driver, three balanced armatures, and one MEMS high-frequency driver. Interchangeable nozzle filters allow acoustic adjustment, while the modular cable supports 3.5 mm and 4.4 mm connections and the wider

Five-driver hybrid array

MEMS high-frequency driver

Interchangeable nozzle filters

Aerospace-grade aluminum shell

Kiwi Ears Halcyon
Kiwi Ears Halcyon
Kiwi Ears Halcyon

A configurable hybrid platform

A configurable five-driver hybrid combining dynamic bass, three balanced armatures, a MEMS super-tweeter, interchangeable nozzle filters, and gaming-ready cable options.

Five-driver hybrid array
Tribrid · 1DD + 3BA + 1MEMS
MEMS high-frequency driver
Kiwi Ears Halcyon driver technology
01 Five-driver hybrid array

A dynamic driver handles bass, three BAs cover the mids and highs, and a MEMS element extends the top range.

02 MEMS high-frequency driver

The solid-state MEMS transducer contributes ultra-fast high-frequency response and extension toward the published 42 kHz limit.

03 Interchangeable nozzle filters

Six filters provide a physical way to adjust the acoustic output and fine-tune the final response.

04 Aerospace-grade aluminum shell

The lightweight metal housing adds structural precision while keeping each side to approximately 5.99 g.

Halcyon combines an 8 dB bass shelf, a controlled transition near 200 Hz, a 3 kHz presence rise, and MEMS-assisted extension, with nozzle filters for additional fine adjustment.

Kiwi Ears Halcyon
Levels matched at 1 kHz

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

Bass Bass is powerful, tight, and bloat-free
Mids Mids are natural, clean, and accurate
Treble Treble is ultra-clear with high-resolution extension
Soundstage The soundstage is wide, clean, and immersive
Imaging Imaging is precise with strong layering

How It Sounds

Configurable bass, clear mids

Halcyon is built as a flexible platform rather than a fixed one-note tuning: hybrid driver specialization, physical filter adjustment, and modular source connections support different music and gaming setups.

MEMS
Configurable
Hybrid
MEMS high-frequency driver

Five-driver hybrid array

MEMS high-frequency driver

The solid-state MEMS transducer contributes ultra-fast high-frequency response and extension toward the published 42 kHz limit.

Who it's for

Configurable bass, clear mids

The tuning explorer

Six nozzle filters let listeners adjust the acoustic output without relying only on software EQ.

FiltersAdjustableExperimental

The technology enthusiast

Dynamic, BA, and MEMS drivers combine three transducer approaches in one five-driver system.

MEMSHybridFive Drivers

The immersive gamer

Clear presence, extended highs, and stable imaging support layered game audio and directional cues.

GamingImagingDetail

The portable audiophile

A lightweight aluminum shell and modular 3.5 / 4.4 cable make Halcyon adaptable across portable sources.

AluminumModularPortable

New Meta Sound Signature

The Halcyon delivers a studio monitor-like neutral tuning with an enhanced sub-bass boost. The sub-bass shelf features a balanced 8dB boost cleanly cut at 200Hz for bloat-free mids. The mids are natural and clean, while the treble peaks precisely at 3kHz for perfect pinna gain compensation with a modern tuning decay.

PopRockVocalJazzClassical

World's First MEMS Tribrid Performance

Powered by a 10mm composite diaphragm DD, 2 DEK custom BA drivers, a WBFK custom BA tweeter, and a MEMS solid-state driver, the Halcyon delivers powerful tight sub-bass, natural mids, and crystalline ultra-treble with micro-detail resolution.

109dB (at 1kHz/mW)Sensitivity
29 ohmsImpedance
StudioGamingDaily Listening

Ultimate Versatility for Audiophiles and Gamers

With neutral tuning, precise imaging, and an aerospace-grade aluminum body, the Halcyon suits studio monitoring, gaming, and long listening sessions for professionals and audiophiles alike.

MEMS+1DD+3BADriver
0.78mm 2PinConnector

First-step hi-fi listening

Kiwi Ears Halcyon offers the world's first MEMS + 1DD + 3BA tribrid setup for listeners moving beyond basic earphones, delivering studio monitor-like balance with ultra-high resolution.

Pop, Rock, and Vocal

An 8dB sub-bass boost, natural clean mids, and precise 3kHz treble peak give modern vocals and instruments an immersive, accurate, and detailed presentation.

How it compares

Technical Specifications

What's in the box

Inside the Box

Monitors

Kiwi Ears Halcyon × 1 Pair

Cable

1.2 m 4-core ultra-pure × 1

Eartips

Small, Medium, Large Silicone Pairs × 6 Pairs

Extras

Wearing Diagram Card × 1

Storage

Packaging Box × 1

Drivers

Configuration

Tribrid · 1DD + 3BA +

Dynamic driver

10 mm composite-diaphragm dynamic driver (sub-bass)

Balanced Armatures

2 x DEK-series custom BA (mids) +

MEMS

Solid-state MEMS piezoelectric high-frequency driver

Acoustics

Impedance

29 Ohm

Sensitivity

109 dB at 1 kHz/mW

Frequency Response

10 Hz-42 kHz

Distortion (THD)

<1% at 1 kHz

Channel Balance

<1.5 dB

Rated / Maximum Power

5 mW rated / 10 mW maximum

Build & Fit

Shell

Aerospace-grade aluminum

Weight

5.99 g per side

Connector

0.78 mm 2-pin, detachable

Nozzle Diameter

6.2 mm

Acoustic Adjustment

6 interchangeable nozzle filters

Cable

Cable

4N single-crystal copper

Optional / Variants

Optional gaming boom-mic cable; confirm current bundle

Cable Plugs

Interchangeable 3.5 mm single-ended and 4.4 mm

Cable Length

122 cm +/- 2 cm

How it compares

Halcyon in the lineup.

Kiwi Ears Halcyon Kiwi Ears Halcyon4.0
Kiwi Ears x HBB Punch Kiwi Ears x HBB Punch4.25
Kiwi Ears Septet  Kiwi Ears Septet 4.55
Kiwi Ears Quintet Kiwi Ears Quintet4.54

Signature

["MEMS, Configurable, Hybrid"]

["Basshead", " Tribrid", "Electrostatic"]

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

["Quadbrid", "Resolution", "Air"]

Best for

["The tuning explorer"]

["The bass enthusiast"]

["The technology enthusiast"]

["The technology enthusiast"]

Standout

Five-driver hybrid array

Fifteen-decibel sub-bass shelf

Seven drivers across four technologies

DLC dynamic bass driver

Price

$259.00

$449.00

$269.00

$219.00

unboxing video

See it in Motion.

Verified buyers

Customer Reviews

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Eartips

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Audio Cable

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Before you buy

Product FAQ.

Halcyon is built as a flexible platform rather than a fixed one-note tuning: hybrid driver specialization, physical filter adjustment, and modular source connections support different music and gaming setups.
Kiwi Ears Halcyon is especially well suited to the tuning explorer, the technology enthusiast, the immersive gamer, and the portable audiophile. It is a configurable five-driver hybrid combining dynamic bass, three balanced armatures, a MEMS super-tweeter, interchangeable nozzle filters, and gaming-ready cable options.
Yes. Halcyon combines precise hybrid imaging with an optional boom-microphone cable, making it suitable for competitive, immersive, and communication-heavy gaming setups.
Halcyon is efficient at 29 Ohm and 109 dB. Most clean portable sources provide ample volume, while the modular 3.5 mm and 4.4 mm plugs expand source compatibility.
Yes. It uses 0.78 mm 2-pin, detachable. The current source connection is Interchangeable 3.5 mm single-ended and 4.4 mm balanced plugs. Available configuration: Optional gaming boom-mic cable.
The current official package list includes 1 pair Kiwi Ears Halcyon IEMs, 4N single-crystal copper cable, Interchangeable 3.5 mm plug, Interchangeable 4.4 mm plug, 2 sets of ear tips in 3 sizes each, 6 tuning filters, Protective case, Warranty card, and User manual.
Establish a comfortable seal first, then compare the nozzle filters. Changing both tips and filters at the same time makes it harder to identify which adjustment changed the sound.
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 S-Link Type-C, and Kiwi Ears Sonicap.