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$139.99 USD

3BA Triple Driver HiFi In-ear Earphones

    Balanced sound and broad frequency range
    3D Printed Shell, Hand-painted Faceplate
    Present the same high quality sound as expected

3BA, Broad Frequency Range, Balanced Sound

DUNU SA3 adopts the brand-new triple drivers configuration with 2 customized balanced armatures for mids and lows, one customized balanced armature for highs. For the mids and bass, the two balanced armatures are totally independent from each other to display the rich details. For the highs, it’s transparent and gorgeous. After times of tuning, SA3 overall has a balanced sound and broad frequency range.

3D-Printed Photopolymer Resin Shell

3D printed shell is based on the large data of human ears. Designed based on ergonomics ensures long time wearing experience, no fatigue and secure fit is ensured here. The special material is lightweight and longlasting

The One and Only Hand-painted Faceplate.

SA3 adopts the hand-painted art faceplate which has so many possibilities. Each one is handcrafted, one and only. Specifically chosen unique blue and white color complemented each other very well, just like the blue sea and white cloud

High Purity OCC Silver-plated Cable

SA3 includes a high purity 4 core OCC silver-plated cable. It’s of high quality and durable. No need to replace it, you can get a high performance sound. But t he detachable design makes it possible to upgrade to any cable you prefer, fully upgradeability

Easy to Drive, Plug and Play.

DUNU has been working on the drivers for a long time and after times of experiment, SA3 is easy to drive. No matter you are using it for your phone, PC, tablet, player...SA3 will present the same high quality sound as expected

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Authenthic Products

Linsoul Audio is the authorized distributor. All products are authentic and genuine.

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Worldwide Free Shipping

We are located in china but send our products worldwide for free.


1 Year Warranty

We provide 1 year warranty for the all products except the cables*.


Online Support

We reply to all support inquiries within 3 working days.

Driver Configurations
-2*custom balanced armatures for mids and bass -1*custom balanced armature for high
Frequency Response
5 Hz - 40 kHz
13 Ω
112 ± 1 dB at 1 kHz
Total Harmonic Distortion
< 0.5% at 1 kHz
High-Precision, 3D-Printed Biocompatible Photopolymer Resin
Handmade Photocurable Resin
Cable length
1.2 ± 0.1 m
Cable connector
2-Pin (0.78 mm)
Plug type
3.5 mm Single-Ended TRS
Cable material
High-Purity, Silver-Plated OCC Cable
Product weight
12.5 g

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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.

3 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 Shipping
15 to 30 Days.

Standard shipping is offered free worldwide for orders under $199 USD (with some exceptions), but please consider that delivery times may vary considerably depending on your country, up to 90 Days.

Express Shipping
3-6 Working Days.

All items over $200 include free express shipping (DHL or similar). If your order total is under $200 you can manually add Express Shipping during the checkout period for $15.00 USD

Shipping FAQ's

Which countries do you ship to?

We are generally able to ship to most countries via DHL Express, and many countries via Standard Shipping. You may clarify with our team to see whether Standard Shipping is available to your country.

*Note: We can only do Standard Shipping for the UK, India and Russia. We can only do Express Shipping to Africa, Argentina, Hawaii, Kuwait, Mauritius, Montenegro and Sri Lanka, to name a few.

How much does shipping cost?

We have two shipping options - Standard Shipping and Express Shipping via DHL Express.

  • Standard Shipping is free, while Express Shipping is 10-35USD depending on your country. If your order is over 200USD, Express Shipping is free.
  • Shipping fees exclude import taxes or processing fees that might be applicable for your country. Linsoul is not responsible for any form of such fees.

How long does it take to process my order after it is placed?

For in-stock products, your order will be shipped within 3 working days.

Customized items will take a longer time (do check in with our staff for more information).

On normal non-sale days, once your parcel has been shipped out:

For Standard Shipping, it takes about 2-3 weeks for items to be delivered after shipping out. For some countries, it might take up to 2-3 months, depending on your country and its customs. The duration for transit is something beyond our control. Linsoul will not be making refunds for such cases. Please consider an upgrade to DHL Express 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

Which countries do you ship to?

1. Kindly contact your local courier using the local tracking number. We will not process a refund or reshipment of the parcel since it has been shipped.

2. 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 recipientRecipient was uncontactable when courier company contacted
  • 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 my 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 shipping cost incurred.

How do I get help for my order?

For faulty/missing items, please send an email to support@linsoul.com to process warranty. In your email, please choose an appropriate Subject Title. Kindly include your Order Number, and state your issue clearly. Please also attach photographs/videos as “proof”, if any.

Our team aims to review your email within 3 working days.

For other queries, the fastest way to contact us is via Discord: https://discord.com/invite/5yfHcAu

How do I order Custom In-ear Monitors (CIEMs) on Linsoul?

Please kindly check the following guide first: CIEM Ordering Guide

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.

What shipping companies do you use?

We collaborate with 4PX, UBI, SF Express and DHL Express.