KZ Sonata X
Flagship 28BA In-Ear Monitor
ForGaming/Studio monitoring
- 2-3 weeks.
Shipping time estimate. Pre-order items are non-cancellable and non-refundable.
Pre-order detailsRecommended products
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 KZ Sonata X.
Endgame Flagship, All-New Evolution
The KZ Sonata X is designed for listeners pursuing true endgame HiFi performance without compromise. Built with 28 balanced armature drivers, a redesigned acoustic structure, and KZ’s second-generation self-developed low-frequency driver technology, the Sonata X delivers studio-grade clarity, balanced tuning, and exceptional detail retrieval. Combining professional monitoring capability with immersive musicality, the Sonata X is engineered to redefine the standards of flagship multi-driver IEMs.
28 Balanced Armature Drivers
The Sonata X features an extraordinary 28 balanced armature driver configuration, creating a highly detailed and layered listening experience. This advanced multi-driver architecture enables independent frequency handling across the entire spectrum, delivering impactful bass, natural mids, sparkling treble, and ultra-high-frequency extension with exceptional precision and low distortion.
Precision 4-Way Electronic Crossover
A professionally engineered 4-way electronic crossover ensures every driver operates independently and accurately within its dedicated frequency range. This sophisticated tuning architecture minimizes frequency overlap and crosstalk while improving coherence, resulting in cleaner bass response, richer vocals, smoother transitions, and highly accurate instrument separation.
Second-Generation 22955 Bass Driver
The newly upgraded second-generation 22955 low-frequency driver introduces redesigned magnetic circuits and diaphragm structures for enhanced bass extension, faster transient response, and tighter control. Combined with the all-new internal acoustic chamber design, the Sonata X achieves stronger vocal focus, improved imaging accuracy, and a deeper, more immersive soundstage presentation.
Wide-Frequency Reference Acoustic Tuning
Carefully tuned to follow a natural listening target response, the Sonata X offers balanced full-frequency performance from deep sub-bass to extended ultra-high frequencies. Whether reproducing orchestral arrangements, vocal recordings, jazz sessions, or rock performances, the Sonata X maintains realistic tonal accuracy, high resolution, and outstanding dynamic consistency.
Professional Sound Adjustment System
The Sonata X includes a professional tuning filter system with four adjustable sound profiles, allowing users to customize the listening experience according to their personal preferences. Users can fine-tune bass impact, vocal warmth, or treble clarity for different music genres and listening scenarios.
High-Precision 3D-Printed Resin Housing
The ear shells are manufactured using high-precision 3D-printed resin technology for improved acoustic consistency and ergonomic comfort. The rigid yet lightweight cavity structure effectively suppresses unwanted resonance and noise interference, helping to produce cleaner mids, more transparent highs, and stable low-frequency performance while ensuring a secure and comfortable fit during long listening sessions.
Ergonomic In-Ear Comfort
Developed using extensive ear contour data, the Sonata X adopts a bionic ergonomic structure that naturally conforms to the ear canal for a stable and fatigue-free fit. Paired with soft silicone and memory foam ear tips, the lightweight in-ear design ensures lasting comfort for both casual listening and professional monitoring applications.
784-Core Flagship Hybrid Cable
The Sonata X comes standard with a premium 784-core blue-silver hybrid braided cable designed for superior signal transmission and enhanced detail retrieval. Compared to conventional cables, the high-core-count structure improves high-frequency extension, midrange density, and low-frequency depth while reducing signal interference and background noise for a cleaner listening experience.
Dual-Microphone HD Voice Pickup
The included upgraded microphone system utilizes dual professional condenser microphones for clearer voice capture and improved call quality. The redesigned microphone structure enhances sensitivity, reduces background noise, and expands pickup range, ensuring more natural communication in daily use and gaming scenarios.
Technical details
- Driver configuration
- Multi-driver / single technology
- Driver technology
- Balanced Armature
- Style
- Canal
- Suggested genres
- Jazz
- Product Model
- Sonata X
- Frequency Response
- 20Hz – 40kHz
- Impedance
- 24–28Ω
- Sensitivity
- 111dB
- Plug Type
- 3.5mm
- Pin Type
- 0.78mm 2-Pin
- Cable Length
- 120±5cm
- Cable Type
- 784-Core Silver/Blue Hybrid Braided Cable / Silver-Plated Cable
- Wearing Style
- In-Ear
Shop with Linsoul
Customer reviews
What listeners say about sound, fit and everyday use.
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.
Processing Time
This product is currently in its pre‑order period. Pre‑orders apply to items not yet in stock, and shipping will begin once they arrive. Processing times are estimates only.
Pre-order Period:
- 2-3 weeks.
Note:
- No cancellation of orders once ordered.
- All orders to be shipped out sequentially.
Recently Viewed Products
