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Free standard shipping to most countries
Free express shipping on orders over $270*. Enjoy free tax and duty paid to most countries. Please refer to our shipping FAQ to see if you apply.
Covid-19 Shipping Delay Notice
Linsoul Audio is the authorized distributor. All products are authentic and genuine.
Worldwide Free Shipping
We are located in China but send our products worldwide for free. T&Cs apply.
1 Year Warranty
We provide 1 year warranty for the all products except the cables*.
1BA+1DD Hybrid Driver.
TRN ST1 adopts custom 30095 balanced armatures and 10mm dynamic driver. With this configuration, it can greatly improve high frequency extension and clarity to a degree that will leave you amazed over the richness of instruments and natural details emerging from your music collection. You will enjoy impactful bass rumble and delicate treble. It gives the music performance more substance and a very natural tone
Electronic Crossover and Frequency Division Chamber.
Carefully tuned 2-way crossover technology and acoustic chamber allow narrower pass-band of drivers make it possible to optimize and tailor them to the desired sonic capabilities. When the resonances are minimized, your psychoacoustic capabilities no longer have to deal with unwanted resonances. You can enjoy the reproduced music to a whole new level
Aesthetic Crafting and Alloy Faceplate.
This model utilizes advanced PVD protective film-coating that is tough, resists corrosion, impact and abrasion. The stunning musical performance of ST1 deserves an equal striking appearance. Each one is hand-brushed to satin finish, ensuing a luxurious pearly-white shine and plush feeling that is both artistically and aesthetically pleasing
Airflow Regulating Pressure Vent and New Type-C Connector.
The airflow control helps equalize internal chamber pressure via the vent on the faceplate. Newly developed type-C connector can greatly protect the contact pins from accidental breakage to ensure longevity and better wearing stability
Ergonomic Design for Ultimate Wearing Experience.
The ST1 has a specially shaped front housing which is made in accordance to the contour of a human auricle for utmost stability, comfort and sound isolation
Key Features of TRN ST1 Earphones
-1 Balanced Armatures+1 Dynamic Driver
-Acrylic Shell Alloy Faceplate and Airflow Vent
-Professional Tuning and 2 Way System
-3.5mm OFC Cable, Type C Connector
-1* 30095 Drivers for High Frequency
-1*10mm Large Diaphragm Driver for Low Frequency
WHAT'S IN THE BOX
fuzzy sound, very distracting. hopefully a different cable will fix this.
Our Shipping Process
If everything goes right our system will automatically generate your order and send you a confirmation email. If you don't receive the confirmation email please double-check that it wasn't automatically stored in your spam or promotions folder.
ORDER PROCESSING3 Working Days*
Most of the items you see are in stock and ready to be shipped after 3 working days. If you plan to order a custom (Design or Fit) product, a pre-order, or a made to order item processing times may change on item to item basis.
Standard Shipping15 to 30 Days.
Standard shipping is offered free worldwide for orders under $269 USD (with some exceptions), but please consider that delivery times may vary considerably depending on your country, up to 90 Days.
Express Shipping3-6 Working Days.
Most items over $270 include free express shipping (DHL or similar). If your order total is under $270 you can manually add Express Shipping at the checkout page for $15.00 - $35.00USD
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 the two-way freight charges. 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 refund will 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.
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.
1) Send an email to support@Linsoul.com with an appropriate Subject Title
2) Provide your order number and state the issue clearly
3) 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.
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
Last updated: 1 November 2022
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Let customers speak for us3762 reviews
It follows a mild v shaped but it's very well done, at $55 it punches above it's own weight, I very much recommend it.
Comfortable, sound great. Not too expensive. Exactly what I wanted.
I purchased the BTR7 for the increase in power over the BTR5 and the 4.4 Pentacon connection.
While the bulk of my listening is portable audio, the extended battery life of the BTR7 means I can use it to take high resolution audio and feed it from the BTR7 directly into my HIFI system pure and direct… listening at concert levels…. Well till my neighbours complain and I get a grapefruit through the window…
The thing I miss the most on the BTR7 is the lack of a clip or holder to secure it to yourself while you are on the move…. This will force you to get inventive and sort out some sort of lanyard holder or in my case modifying an old multi tool pouch so I can clip it to my belt.
The battery life is reflected in the way it is used, if you are driving planar headphones through the 4.4mm connection… you might get 3 or 4 hours…. Listening to IEM’s through the 3.5mm connection and the battery life will double…
The other feature I found is the support of MOA encoded music from Tidal… this is awesome and something I enjoy listing to…
Interfacing with the BTR7 menus is best carried out using the Fiio Control App, which you can download along with firmware updates from the Fiio website.
I am very pleased with my purchase and can happily recommend the BTR7
Now I am a truck driver with little or no budget for IEM’s. In my world IEM’s are very much a consumable product with a limited life expectancy.
I mention this as the most expensive IEM I currently own would be the Xenns Mangird Tea 2, and covet the Thieaudio Oracle.
I have purchased a number of budget offerings over the years, and I had the HBB Mele which I enjoyed very much, sadly on one particular work site these expired, getting caught up in an argument between gravity and some bulldozer tracks.
I liked the concept of the Khan, with its dedicated low end driver and its tame manners in the higher frequency. I really was looking forward to there arrival from Linsoul.
The IEM’s themselves are light, manufactured from a plastic resin, the body of mine is dark almost black, and slightly translucent (not sure thats the right word… I and sure if you held a torch up to it you could see some of the internal anatomy).
For me IEM’s are about being on the move, doing other things, getting the stuff of everyday life done.
I might be mowing the lawns, painting trellis, working in the garden, vacuuming, washing the dishes or at the gym.
All those things you spend your day doing because you are busy.
So if I’m at home I am normally using the Xenns Mangird Tea’s, if Im at work I’m using something much more affordable (because of gravity and bulldozer tracks etc)
Enter the QKZ + HBB Khan….
I upgraded the cable to the QKZ Q1 Max cable, this comes with a choice of interchangeable input plugs, the 2.5mm balance, the 3.5mm stereo and the 4.4mm pentacon…
I have a seperate review on this cable, if you have not yet fallen asleep.
The other modification I apply to all my IEM’s are the Symbio Hybrid Tips which you can easily find on Amazon. These tips give me the reliable seal of a foam tip with the durability of a silicone shell, the perfect partnership.
I watched and have read a number of reviews on online prior to purchase, but as I say I’m a HBB fan-boy and enjoy the process of him talking me into my next purchase.
It is difficult to find a review on line that praises the virtue of the HBB Khan. Reviewers are comparing it to all assorts of IEM’s some worth hundreds of dollars and in one case thousand of dollars… critiquing the high-end being rolled off or the mid range been a little thin….geez are we listening to the same IEM?
I can honestly say the sound of the Khan is truely shocking… there it is you have wasted the last 10 minutes of your life, but for me the Khan is truely a wet fishing the face….
Its like the 1st time you hear your favorite song on a good car audio system, with unbelievable bass rich mid range tones and clear airy highs that are bout to become sibilant… but never do… all the time the thump and rumble of that bass…
Thats the signature of these IEM’s they remind me of good quality car audio…
I found myself listening to music like Angel by Massive Attack… why? Because its fun…. with the Khan. I was listening to a random play list on Tidal and Flowers by Miley Cyrus came on…. I nearly dropped my paint brush…. good grief…. the bass that hits about 30 seconds in was so unexpected…. These two pieces of music are not my normal go to sounds, but the Khan’s delivery is massive… everything is there, the bass, clear vocals and the high end all there and crystal…
I find myself listening to all my music as if truely hearing it for the 1st time, with all sorts of surprises throughout the recordings… if this sound is as bad as some reviewers have made it out to be… then ignorance truely is bliss.
The live recording of Simone Kopmajer at Heidi’s Jazz Club is a stripped back performance with a drum kit and brushes, a saxophone, double bass, a piano and Simone’s voice… there is no where for an IEM to hide any flaws here. The string plucks on the bass are strong and in your face, yet the piano is clear and present in the music… Then Simone, she starts to sing… it seems very intimate and personal… As I say The easiest way to explain the experience is like good car audio… with a sub in the boot (or trunk) and great speakers in the doors with the whole thing tuned in and setup for your listening position.
This is starting to turn into a book, so lets end this review by saying the bass on the Khan is not going to rattle out your fillings its not going to blow your head off, what it will do is allow the bass to get the attention it deserves and it will do this without sacrificing the vocals or the high end.
I have never listened to $1500 or $2000 IEM’s and I accept that I don’t know what I don’t know.
Or if you prefer my experience defines my reality. And so with these caveats in place, I can tell you that the HBB Khan will surprise you, it will make your music fun.
While the QKZ + HBB Khan may not technically be perfect in every way, at $40.00usd the Khan will make a lot of much more highly regarded IEM’s, well, just seem plain boring.
My second set of earphones, and its good, better with the open eartips or other eartips opener
Looks like a very bassy IEM. Ian Fann has the only squig link on these so far. If Linsoul decides to put them on sale like their competitor ($10 coupon), I might jump on them. These should go with my EA 500 from Simgot for more bass.
Got mine through Amazon for $70. Linsoul has an even better price. If you pass these up, it’s your fault. The Simgot EA 500 can compete with any single dd up to $200. Check out Tone Deaf Monk’s review.
Great, compact and amazing DAC for my Moondrop Arial SE.
Well built, delivers super clean sound. TKS
The Hiby Lasya iems are so comfortable. Detailed, good imaging and rich midrange, but not so wide sound stage depth.
Never received it and was told to figure it out with the shipping company that Linsoul worked with
Sorry to bring you a bad experience.
If you have contacted the local courier and still can't find the package, please ask them to provide you with a written statement of the missing item. And then please contact us at support@Linsoul. com.
Please rest assured that we will try to apply for compensation for you after we receive it.
Looking forward to your reply.
Hope you have a great day!