EUIU UI-05
Coaxial Dual Dynamic Driver Hybrid IEM
ForStudio monitoring/Critical listening
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Complete your setup. Choose your options and add without leaving this page.
Optional pairings. A cable and ear tips are already in the box.
Overview
The details behind EUIU UI-05.
Professional Stage-Tuned Hybrid Architecture
Designed for stage performance and high-fidelity listening, EUIU UI-05 features a 2DD + 3BA hybrid driver configuration with a precisely tuned 3-way crossover system. Combining coaxial dual dynamic drivers with custom balanced armature units, UI-05 delivers powerful bass, natural vocals, smooth treble extension, and accurate sound reproduction for professional monitoring and daily Hi-Fi enjoyment.
Self-Developed Coaxial Dual Dynamic Driver System
UI-05 adopts an innovative coaxial opposite-facing dual dynamic driver structure. The low-frequency section combines a front-mounted 6mm titanium-plated diaphragm driver and a rear-mounted 10mm biological diaphragm driver, achieving synchronized sound emission from the same acoustic axis. This design effectively reduces phase distortion, improves frequency consistency, and creates a more precise and natural soundstage.
2DD + 3BA Three-Way Crossover Tuning
The carefully engineered hybrid configuration assigns each driver to its optimal frequency range. Dual dynamic drivers provide deep, elastic bass with strong impact, while custom dual high-frequency balanced armatures and one mid-frequency balanced armature reproduce detailed vocals and instruments with excellent clarity. The three-way crossover ensures smooth transitions between frequency bands and maintains a coherent, realistic presentation.
Immersive Sound with Natural Resolution
UI-05 is tuned to deliver a balanced and authentic sound signature. The low frequencies provide powerful extension without overwhelming the mids, vocals remain rich and expressive, and the treble offers smooth detail retrieval without harshness. The result is a spacious and immersive listening experience suitable for stage monitoring, studio use, and Hi-Fi music appreciation.
Nebula-Inspired Premium Design
The faceplate features a unique nebula-inspired texture with layered flowing patterns and sparkling details resembling stars in deep space. Combined with elegant metallic edges, the design creates a refined visual identity that matches the advanced acoustic engineering inside.
Gold-Plated Hybrid Braided Cable
UI-05 comes equipped with a high-quality hybrid braided cable constructed from alloy copper and gold-plated alloy copper conductors. The 8-strand precision braided structure improves signal transmission, reduces interference, and preserves sound transparency. The flexible design provides excellent durability, low microphonics, and comfortable daily use.
Comfortable Stage-Ready Fit
Built for long listening sessions and professional monitoring, UI-05 uses an ergonomic in-ear design that provides a secure fit during movement. The lightweight structure and flexible cable reduce wearing pressure, making it suitable for stage performances, studio monitoring, and extended music enjoyment.
Technical details
- Drivers
- 2DD + 3BA
- Driver configuration
- Hybrid
- Driver technology
- Dynamic Driver, Balanced Armature
- Cable connector
- 0.78 mm 2-pin
- Style
- Canal
- Suggested genres
- Pop, Rock & Metal, Jazz
- Driver Type
- Hybrid Driver IEM
- Crossover
- 3-Way Crossover
- Frequency Response
- 20Hz – 20kHz
- Sensitivity
- 106dB/mW
- Impedance
- 17Ω
- Cable Material
- 4-Core Oxygen-Free Copper Hybrid Cable
- Cable Structure
- Gold-Plated Hybrid Braided Cable
- Cable Interface
- 0.78mm 2-Pin
- Plug Type
- 3.5mm
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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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