Kiwi Ears Halcyon
World's First MEMS + 1DD + 3BA Tribrid IEM
ForGaming/Studio monitoring/Travel & commute
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Overview
The details behind Kiwi Ears Halcyon.
The Kiwi Ears Halcyon is the world's first MEMS + 1DD + 3BA tribrid IEM, combining MEMS technology, a 10mm dynamic driver, and three balanced armatures. Aerospace-grade aluminum and precision acoustic design deliver clear full-spectrum sound, dynamic bass, and transparent trebles for audiophiles, gamers, and professionals.
Highlights
Next-Generation MEMS Driver Technology
The Halcyon introduces MEMS solid-state drivers for ultra-treble precision, delivering crystalline highs and micro-detail resolution beyond traditional tweeters.
Precision Acoustic Engineering
CNC-milled acoustic chambers optimize airflow and phase, eliminating standing waves for a clean, wide soundstage and accurate imaging.
Aerospace-Grade Aluminum Build
Hand-polished solid aluminum housings provide durability, ergonomics, and premium aesthetics, ensuring comfort for extended listening sessions.
New Meta Sound Signature
Studio monitor-like tonal balance with impactful sub-bass, natural mids, and ultra-clear trebles, delivering an immersive and precise listening experience.
Hear Every Detail, Feel Every Note
The Kiwi Ears Halcyon is the world's first MEMS + 1DD + 3BA tribrid IEM, combining cutting-edge MEMS technology with a dynamic driver and custom balanced armatures for full-spectrum sound. CNC-milled aluminum housings and precision acoustic engineering deliver wide soundstage, clear mids, deep bass, and sparkling trebles.
MEMS Technology Meets Tribrid Setup
The Halcyon is one of the first in-ear monitors to implement a tribrid configuration utilizing cutting-edge solid-state MEMS (Micro-Electro-Mechanical Systems) technology. MEMS is a solid-state speaker using silicon chips and passive components to generate a piezoelectric effect. Without traditional acoustic components such as coils and diaphragms, MEMS excels in speed and high-resolution performance, particularly in the ultra-treble frequencies. Combined with traditional balanced armature and dynamic drivers, Halcyon achieves one of the world’s first tribrid configurations to benefit from MEMS’ ultra resolution.
Best-In-Class Tonal Signature
The Halcyon combines technical performance with exceptional tonal balance. Following Kiwi Ear’s famed tonal signature, the Halcyon provides a studio monitor-like neutral tuning with an enhanced sub-bass boost. The sub-bass shelf features a balanced 8dB sub-bass boost, which is cleanly cut at 200Hz for bloat-free midrange. The mids are natural and clean, mirroring the accuracy of studio monitors. This enhances instruments and vocals and provides exceptional imaging and layering precision. The treble peaks precisely at 3kHz for a perfect pinna gain compensation, and has a treble decay that is fitted to modern tuning preference signatures.
A closer look at Kiwi Ears Halcyon.
The details, in full view.
Excellence in Driver Technology
The Halcyon combines the best of both traditional and modern driver technologies. A 10mm composite diaphragm dynamic driver powers the sub-bass for a powerful, yet well-controlled and tight bass response. This provides a real subwoofer-like bass experience, while keeping the midrange clean and free from discoloration. The midrange is powered by two DEK-series custom balanced armature drivers, specifically tuned to give a natural tonal balance to instruments and vocals. The trebles are fitted with a custom WBFK-series balanced armature tweeter, which is paired with Kiwi Ear’s MEMS driver to achieve ultra-high resolution.
Ultimate Versatility for Audiophiles and Gamers
Designed for professionals, audiophiles, and gamers alike, the Halcyon is a versatile powerhouse. Its neutral tuning and precise imaging make it ideal for studio monitoring, while the optional gaming boom mic cable ensures pure, crystal-clear communications during intense matches or video calls. Crafted with an aerospace-grade aluminum body, it provides the durability and ergonomic comfort needed for long sessions, no matter the environment.
Sound profile
A closer look at the balance between bass, mids and treble.
- Reference
Technical details
- Drivers
- 1DD + 1MEMS + 3BA
- Driver configuration
- Tribrid
- Driver technology
- Dynamic Driver, Balanced Armature, MEMS
- Cable connector
- 0.78 mm 2-pin
- Suggested genres
- Pop, Classical & Orchestral
- Rated impedance
- 29 ohms
- Rated sensitivity
- 5mW
- Maximum power handling
- 10mW
- Sensitivity
- 109dB (at 1kHz/mW)
- Frequency Response Range
- 10-42kHz
- Distortion
- <1% (at 1kHz)
- L/R Channel Imbalance
- <1.5dB
- Connector
- 0.78mm 2Pin detachable
- Cable Material
- 4N Single Crystal Copper
- Cable Length
- 122CM+/-2CM
- Weight
- 5.99g
- Nozzle Size
- 6.2mm
Shop with Linsoul
Expert reviews
Watch the review. Read the full story.
Watch
Linsoul Audio / Audio AmigoOmar (Audio Amigo)
[Buyers Guide] I reviewed 21 Kiwi Ears IEMs. Which ones made the cut?
Read
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Audiophile Heaven
Review sampleKiwi Ears Halcyon IEMs Review - MEMS, DD and 3 BA For A World’s First
The reviewer highlights comfortable shells, a modular cable and detailed male vocals. The review also describes demanding source pairing and a compressed sense of dynamics.
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Basic Tutorials
Kiwi Ears Halcyon im Test
Clean separation, impactful bass and solid construction impressed the reviewer. Setup and tip fitting were awkward; some recordings sounded sharp in the treble.
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Nextrift
Kiwi Ears Halcyon Review: A New Driver in Town
The reviewer finds convincing clarity, separation and lateral soundstage, especially with electronic music. Bright treble, lean notes and a tangly cable limit its appeal; bass response improved with different tips.
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HiFi Pig
Review sampleKiwi Ears Halcyon Earphones
Weighty but controlled bass and coherent driver integration made listening engaging. The upper midrange can edge toward stridency; the balance is not strictly neutral.
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jjazzifi
Review Kiwi Ears Halcyon
The reviewer hears extended bass and treble, good separation and an enjoyable, resolving presentation. Upper frequencies can be energetic, vocals lean, and imaging less sharply defined than the overall space suggests.
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The Metalverse
Review sampleKiwi Ears Halcyon Review
The review praises controlled deep bass, treble extension and separation. Vocals can sit farther back, and the stock tips leave room for improvement.
Customer reviews
What listeners say about sound, fit and everyday use.
The Kiwi Ears Halcyon surprised me more than I expected. At first glance, it doesn't look like anything extraordinary, but as soon as you put it in your ears, you realize there's quite a lot going on behind it.
The sound is natural and very well balanced. The bass goes deep and has plenty of weight without becoming excessive, while the midrange is clean and enjoyable, especially with vocals. The highs are open and detailed, but without that sharp edge that can become tiring after a while.
What I like most is simply the way it sounds. It doesn't try to impress you with huge bass or exaggerated treble. It just puts the music in front of you and makes you want to keep listening.
It's also small, comfortable and very well built. The MEMS driver is certainly the most curious part, but in the end what matters is the result, and Kiwi Ears has done a really nice job here.
The Kiwi Ears Halcyon are an excellent sounding, well built iem, for those who like a analytical balanced sound. With the right ear buds these really sparkle and show very refined bass tones, however the supplied ear buds and slight discomfort, and lack of good accessories, stop these from making it to my 5 star list. These are still highly recommended and are competitive at their price (£250) for their performance.
Here is my YouTube review:
https://youtu.be/vEN-X2ahtbE?si=kB1HuCQ4wNUxxmT2
Your order
Which countries do you ship to?
We are generally able to ship to most countries via Express Shipping, and many countries via Standard Shipping. You may clarify this with our team to check whether Standard Shipping is available to your country.
We cannot ship to addresses that are "PO boxes or APO/FPO".
*Note: Generally, we can only do Selected Shipping to India and Russia. We can only do Express Shipping to Africa, Argentina, Hawaii, Kuwait, Mauritius, Montenegro and Sri Lanka, to name a few.
This may be subjected to changes due to unpredictable issues such as Covid, war, and etc.
How much does shipping cost?
We have two shipping methods - Standard Shipping and Express Shipping.
Standard Shipping is free for most countries, while Express Shipping is 15-35USD depending on your country. If your order is over 270USD, Express Shipping is free*.
*This applies for most countries. However, large items such as headphones and desktop DAC/AMPs (e.g. HarmonicDyne G200, MUSICIAN MDP-2, and etc.) are excluded.
Shipping fees exclude import taxes or processing fees that may be applicable for your country. Linsoul is not responsible for such fees. Should you refuse to pay the tax/customs fees, shipping fees will still be deducted from the amount paid for thetwo-way freightcharges. The cost of the freight charges may be more than the amount reflected on your order due to tax and other miscellaneous fees.
Some parcels claimed to be “returned to the seller” may be destroyed by the post office or customs officers when buyers refuse to accept their parcels or fail to pay for their taxes.No refundwill be processed for such cases.Standard Shipping via YunExpress is a tax-inclusive option for some countries. However, Linsoul will not be responsible for additional administrative or handling fees charged by your local courier company or customs. Please kindly check this with your local customs.For certain remote areas, there may be additional charges via Express Shipping. We will contact you if there is a need to make additional payments. Please contact us before placing an order, should you have any queries regarding shipping.
How long does it take to receive the order after it is placed?
For in-stock products, your order will be shipped within 3 working days. You may check with our staff regarding the in-stock status of any products.
Customized items will take a longer time. Please contact our staff for more information.
On normal non-sale days, once your parcel has been shipped out:
- For Standard Shipping, it takes about 2-4 weeks for items to be delivered after shipping out. For some countries, it might take up to 2-3 months, depending on your country, its customs and other factors.* The duration for transit is something beyond our control. Linsoul will not be making refunds for such cases. Please consider an upgrade to Express Shipping or keep the waiting time in mind.
- For Express Shipping, it takes about 3-7 days for items to be delivered after shipping out.
*Note: Timings might be affected due to festive seasons or other unforeseen circumstances
What happens if the parcel has been shipped but not delivered?
First, kindly contact your local courier using the local tracking number.
If your parcel were to be in transit for at least 3 months, it may have been lost in transit.
For orders below $50USD, you may either opt for a one-time reshipment of parcel OR a full refund of the amount paid in cash via PayPal/Credit/Debit card.
For orders above $50USD, we will only process a 50% refund of your order paid in cash via PayPal/Credit/Debit card. Should there be any concern about Standard Shipping, you are encouraged to opt for DHL Express Shipping instead.
Customers are to bear the consequences and fees incurred, if the parcel was undelivered due to any of the following situation:
- Wrong address or phone number provided by recipient
- Recipient was uncontactable when courier company contacted
- Refusal to sign for the package by recipient
- Lost or damaged parcel because recipient opted for “no-signature delivery”
- Refusal to pay for the local tax/processing fee by recipient
- Refusal to provide supporting documents for custom clearance by recipient
Who will pay for the import tax/custom fees
Customers have to bear any form of custom/import/processing fees that are applicable for your parcel.
Should you be unwilling to pay for the fees and reject the delivery of the parcel, you will still have to pay for the shipping cost. Linsoul will only refund the amount of your order after deducting the two-way shipping fees incurred.
What shipping companies do you use?
We collaborate with these courier companies:
- Standard Shipping: 4PX, UBI, NinjaVan, and Yun Express
- Express Shipping: DHL Express, FedEx and SF Express
How do I get help for my order?
Cancellation or/and modification of orders can only be done manually via our staff, provided that our Warehouse Team has not processed your order.
As our Support Team might not be available during non-working days and weekends, please place your order wisely.
Should you really need to cancel or/and modify your order after purchase, please contact us via our support email (Support@Linsoul.com) or website chat. We will help you with the changes if that could be done.
In general, upon receiving your parcel, please confirm the contents of the package and ensure that the package is in good condition before signing for it. All customers are strongly advised to take an unboxing video of their parcel and packaging when opening their parcels and products.
For faulty/missing items, please send an email to support@Linsoul.com for after-sale services. The following details are required.
- Send an email to support@Linsoul.com with an appropriate Subject Title
- Provide your order number and state the issue clearly
- Attach photos and videos to show that your product is faulty/missing. Shipping details on the parcel packaging have to be clearly visible.
If the photos/videos provided are insufficient to prove the stated issue, we will enquire more. Once the issue has been confirmed, we will arrange for a replacement, partial refund or a full refund (where applicable). For incorrect products, Linsoul reserves all rights in deciding whether you need to return the incorrect item or not. Please kindly contact us via email first. Our team aims to review your email within 3 working days.
For other queries, the fastest way to contact us is via our website or Discord
Linsoul Audio will not be responsible for parcels that have been damaged during the transit process.
Do I get tracking details for my order?
After placing an order, you will receive the order confirmation email. After your order has been shipped out, you will also receive a tracking email. You can track your order via the tracking number online. Should you not have received the emails or face any difficulties tracking your order, please kindly contact us for support.
For more than 1 orders placed under the same account and shipping address, Linsoul will automatically combine the orders and ship them out via one tracking number. Should you have special requests to have the orders shipped separately, please kindly contact us via Discord or our website's chat. We will do our best to help.
How do I cancel my order?
Cancellation or/and modification of orders can only be done manually via our staff, provided that our Warehouse Team has not processed your order. Orders that have been shipped cannot be cancelled and modified.
As our Support Team may not be available during non-working days and weekends, please place your order wisely as support cannot be guaranteed for such requests.
Should you really need to cancel or/and modify your order after purchase, please contact us via our support email (support@Linsoul.com) or website chat. We will help you with the changes if that could be done.
Can I return an opened item?
Request a return within 30 days of delivery while the product is factory-sealed. Contact support for instructions before returning anything.
Where should I send the product for the return process?
To initiate the return shipment, kindly send an email to support@Linsoul.com within 30 days upon receiving the sealed product(s). The RMA form and details will be provided to you via email.
When must the product be returned after receiving the RMA form and details?
After receiving the return instructions from us via email, kindly arrange the return shipment of the parcel within 5 working days, and update us with the tracking link via email again. Failure to do so will result in a cancellation of the return process.
When will I receive my refund after returning the product?
In most cases, after receiving and inspecting the returned product, your refund will be processed within 5 business days. Refunds may incur a currency exchange loss or transaction fee, depending on your source of payment (e.g. Bank or PayPal). Linsoul will not be responsible for such fees.
What warranty applies?
Most products come with a 1-year warranty; cables and accessories have shorter or separate terms.
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