Claire WhitakerBy Claire Whitaker

Updated November 2026

A samsung galaxy s25 headphone adapter lets you plug a standard 3.5 mm headphone cable into the phone’s USB-C port. The Galaxy S25 has no headphone jack, so an adapter is the simplest way to keep using wired headphones, studio monitors or a gaming headset with a 3.5 mm plug. This guide covers how to choose the right adapter, connect it and confirm it works.

What You Need Before You Start

Most adapters are small dongles with a USB-C plug on one end and a 3.5 mm female jack on the other. Some models add a second USB-C port for charging, which is useful if you want to listen and charge at the same time. Check the adapter’s packaging or listing for USB-C compatibility and confirm it supports audio output, not just charging.

Shopping for one? See our guide: 7 Best Samsung S25 Headphone Jack Adapter Picks for Every Phone (2026).

  • A USB-C headphone adapter with a 3.5 mm female port
  • Wired headphones or earbuds with a standard 3.5 mm plug
  • A clean USB-C port on your phone (lint or debris can cause loose connections)
  • An optional case or pouch to keep the adapter from getting lost

How to Connect a Headphone Adapter to Your Galaxy S25

  1. Plug the adapter firmly into the USB-C port on the bottom of the phone. Push until it seats fully.
  2. Plug your 3.5 mm headphone cable into the adapter’s jack. A click or snug fit usually means a good connection.
  3. Play a song or video. Sound should switch from the speaker to your headphones automatically.
  4. Adjust the volume using the phone’s media volume buttons, then set a comfortable level before putting the headphones on.

Check Sound Quality and Charging Options

Adapters with built-in digital-to-analog converters can deliver cleaner audio than basic passive dongles, which mainly pass the analog signal through. If you use high-impedance headphones or want the most consistent volume, look for a model that specifies a DAC. Manufacturers often list supported features such as charging pass-through, so compare those details before buying.

Quick Comparison of Adapter Types

Adapter type Best for Charging while listening
Basic passive adapter Casual listening with standard earbuds Usually no
Adapter with DAC Higher-impedance or detail-focused headphones Varies by model
Adapter with USB-C charging port Long listening sessions and travel Yes, when model supports it

Common Mistakes and Tips

  • Forcing the plug in at an angle can damage the USB-C port or the adapter’s jack. Align it straight.
  • Using a phone case with a thick lip can block the connector. Remove the case if the fit is loose.
  • Expecting the adapter to fix a dead headphone cable. Test your headphones on another device first.
  • Ignoring a loose connection. If audio cuts out, reseat the adapter and clean the port gently.
  • Assuming all USB-C adapters carry audio. Charging-only cables will not produce sound.

A reliable USB-C adapter with a 3.5 mm port is the core accessory here. Look for a model that lists Galaxy phone compatibility and audio output support.
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If you plan to charge while listening, choose an adapter with a second USB-C port and check that it supports pass-through charging.
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A small pouch keeps the adapter from getting lost in a bag or pocket.
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FAQ

Does the Galaxy S25 support a USB-C headphone adapter?

Yes. The phone has no 3.5 mm jack, but it supports USB-C audio output, so a compatible adapter will route sound to wired headphones.

Why is there no sound through my adapter?

Reseat the adapter fully, check that your headphones work on another device, and confirm the adapter supports audio. A dirty port or a charging-only dongle are common causes.

Can I charge my phone and listen at the same time?

Only with an adapter that includes a USB-C charging port and supports pass-through charging. Check the product details before buying, and consult the official Samsung support site for device-specific charging guidance.

Conclusion

A USB-C headphone adapter is the simplest way to keep wired listening on the Galaxy S25. Choose a model that matches your headphones and charging needs, connect it firmly, and avoid the common fit and cable issues covered above. With the right adapter, your existing headphones will work as well as they did before.

Ready to choose one?

Claire Whitaker

About Claire Whitaker

Claire Whitaker is part of our editorial team and reviews and edits our headphone comfort & accessories + gaming headsets guides, checking product details against manufacturer specifications and owner feedback.