KEYSION HIFI DAC earphone Amplifier USB Type C to 3.5mm Headphone Jack audio adapter 32bit 384kHz Digital Decoder AUX Converter
ID: 49019

KEYSION HIFI DAC earphone Amplifier USB Type C to 3.5mm Headphone Jack audio adapter 32bit 384kHz Digital Decoder AUX Converter

4.7 (74 votes) | 149 orders
Price: US $26.99 / piece
Discount Price:
US $ 18.90 / piece

KEYSION HIFI DAC earphone Amplifier USB Type C to 3.5mm Headphone Jack audio adapter 32bit 384kHz Digital Decoder AUX Converter

Chip Parameters

Chip model: Realtek ALC4042

DAC sampling rate: 32bits / 384KHz

Signal to noise ratio / SNR:> 100dB

Dynamic range / DNR:> 100dB

Distortion / THD + N: <0.0003%

Frequency response / FR: 20Hz-80KHz

Output power: 16-600Ω (adaptive)

High performance DAC / Pure HIFI sound quality / 600Ω High impedance

Support system: compatible with win7 / 8/10 and Mac OS X iOS10 / Android4.0 or higher

support :All USB TYPE-C ports for smart devices, smartphones / tablets  

For Huawei /For Xiaomi/ For Redmi / For Samsung / For Sony / For Honor /For OPPO,,,,more 


Product parameters:

Product Name: Type-C Digital Headphone Adapter Amp

Product function: type-C to 3.5mm interface

Decoding chip: Realtek (Realtek) ALC4042

Supported standards: OMTP  / CTIA Headphone automatic switching

Core material: single crystal copper

Shell material: one-piece aluminum alloy sandblasted + anodized

Product color: silver, gray

Product length: 11CM + -0.5mm

Product weight: 8g

  • Brand Name: keysion
  • Model Number: TC3.5
  • Chip model: Realtek ALC4042
  • DAC sampling rate: 32bits / 384KHz
  • Frequency response / FR: 20Hz-80KHz
  • Compatible: All USB TYPE C Smart Phone/pad


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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