StarTech.com 5in (12.7cm) USB-C to 3.5mm TRRS Headphone/Headset Jack Audio Adapter, USB Type-C Aux Dongle, 32-bit DAC, Supports USB-C/Thunderbolt, Laptop/Phone/Tablet

Manufacturer: STARTECH | Model: USBCAUDIO2 | Product ID: 2449 | Warranty: 2 Years
£16.35 (inc. VAT)
146 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Ports & interfaces
Connector 1USB Type-C 2.0
Connector 23.5 mm
Connector 1 genderMale connector
Connector 2 genderFemale connector
Connector 1 form factorStraight
Connector 2 form factorStraight
USB version2.0
Cable length0.127
Performance
Product colourBlack
ChipsetRealtek - ALC4030
Compatible operating systemsWindows 11, Windows 11 ARM, Windows 10, macOS Sequoia (15.0), macOS Sonoma (14.0), macOS Ventura (13.0), iOS, iPadOS, Android
Operational conditions
Operating temperature (T-T)0 - 45
Storage temperature (T-T)-10 - 70
Relative humidity10 - 85
Certificates
Compliance certificatesCE,RoHS
Weight & dimensions
Width12
Depth127
Height8.6
Weight9
Packaging data
Package width220
Package depth180
Package height12
Package weight15
Logistics data
Products per master (outer) case350
Master (outer) case width500
Master (outer) case length320
Master (outer) case height210

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Wed 26th Aug 2026 to Sat 29th Aug 2026
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Tue 25th Aug 2026 to Thu 27th Aug 2026
View all Delivery Options & International Rates
Use this audio adapter cable to add 3.5mm audio output to a USB-C device

Connect wired headphones or earphones to a USB Type-C-enabled device with this USB-C to 3.5mm audio adapter. The built-in 32-bit DAC supports stereo sound and microphone functionality via the TRRS jack for clear and immersive audio.

Superior Sound Quality

Experience excellent sound quality supporting audio ranges from 44.1 to 384kHz and 16, 24, and 32-bit sample rates, delivering a 105dBA signal-to-noise ratio for crisp and detailed output. The stereo ADC features a 94dB SNR for microphone input, with 48kHz and 16-bit sampling, all powered by the Realtek ALC4030U chipset.

Wide Compatibility

This versatile aux audio adapter is universally compatible with USB-C and Thunderbolt devices, including Windows, macOS, and Linux computers, as well as phones and tablets running iOS or Android. It supports wired headphones and headsets (including models with in-line controls), making it an ideal solution for using existing audio gear and eliminating the need for Bluetooth audio solutions.

Sleek and Portable Design

The compact, sleek adapter measures just 5 inches (127mm) and features a flexible and durable TPE jacket with a soft-touch finish. Use this adapter cable on the go or at a workstation for audio playback, recording, or calls.

The StarTech.com Advantage
Ports & interfaces
Connector 1USB Type-C 2.0
Connector 23.5 mm
Connector 1 genderMale connector
Connector 2 genderFemale connector
Connector 1 form factorStraight
Connector 2 form factorStraight
USB version2.0
Cable length0.127
Performance
Product colourBlack
ChipsetRealtek - ALC4030
Compatible operating systemsWindows 11, Windows 11 ARM, Windows 10, macOS Sequoia (15.0), macOS Sonoma (14.0), macOS Ventura (13.0), iOS, iPadOS, Android
Operational conditions
Operating temperature (T-T)0 - 45
Storage temperature (T-T)-10 - 70
Relative humidity10 - 85
Certificates
Compliance certificatesCE,RoHS
Weight & dimensions
Width12
Depth127
Height8.6
Weight9
Packaging data
Package width220
Package depth180
Package height12
Package weight15
Logistics data
Products per master (outer) case350
Master (outer) case width500
Master (outer) case length320
Master (outer) case height210

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a simple, hassle-free returns policy. If for whatever reason you are not happy with the item purchased, you can return it to us within 14 days of receipt for a refund. This applies to items purchased direct through Buykingston only.

Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If an item has been opened for inspection but shows signs of use beyond that, a deduction may apply to reflect the reduced value — see our full Terms & Conditions (Section 12) for details.

Some items are excluded from our money-back guarantee unless they have developed a fault. These include:

- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with custom logos on them, e.g. USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked items.

How do I go about returning my order?
Please contact us via our contact page with your order number. We will provide you with an RMA number and return instructions, including your return deadline and whether a freepost label applies to your order.

Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.

Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we understand you may no longer have the original packaging.

Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable return postage, or provide a freepost label where available. If you are returning an item for another reason (including simply changing your mind), you are responsible for return postage unless we have expressly confirmed a freepost label in your RMA email — we recommend using a tracked and insured service for items of significant value.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer directly for assistance.

Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.