CX 80U In-Ear USB-C Headphones
Pure Sound. Instant Wired Digital Connection.
$79.95
Save $-79.95
4
payments of $19.99 with
Trade-in your old headphones for a refund*
Thank you for choosing well, for your old pairs.
To make the post submission experience of your trade-in assessment seamless, you would currently be able to submit your trade-in assessment with an eligible Sennheiser headphones purchase only. Great news, that these pair of Sennheiser headphones are eligible for you to complete and submit your online trade-in assessment.
If you haven't already, please be sure of adding these Sennheiser Headphones to cart firstly by going back and clicking on the BUY NOW button, which will add you trade-in submission automatically to your order, once have completed all the online assessments steps. You will get to see the assessed value for your trade-in submission on the checkout screen, eligible for being refunded once our trade-in partner has received your old pair of headphones.
What happens after submitting your Trade-in assessment can be found here.
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Step 01 of 06
Device Details
Every great listening journey has a next chapter. Assess the perceived value of your
old headphones in quick four steps and retain that value for an improved listening experience.
Your
estimate, instantly. Your upgrade, ready when you are.
Please select from the eligible list of headphones.
Are your headphones fully functional?
Fully Functional Means:
- Headphones are able to power on, charge, and are able to hold charge (LED comes on when charging).
- Original charging case is included and is in good working condition i.e. charges both In-ears, hinge opens and close cleanly, no corrosion on the connectors, and pairs with the headphones).
Are your headphones in good physical condition?
Good Physical Condition Means:
- The headphones are not cracked, chipped, smashed, and the casing is not cracked.
- The headphones do not have heavy wear (light wear can be accepted).
- The original headphones charging case is not physically damaged, including no frame cracks.
- No corrosion or water damage.
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Get an Estimate
Estimated Trade-in value
$250.00AUD - For your MOMENTUM 3 Wireless
Device
MOMENTUM 3 Wireless
Fully Functionality
Yes
Good Physical Condition
No
Your headphones may not be eligible for trade-in. If you'd like to continue proceeding for your headphones, you may do so by contacting our partner directly at sennheiser.support@moorup.com.au.
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Step 02 of 06
Get an Estimate
Estimated Trade-in value
$250.00AUD - For your MOMENTUM 3 Wireless
Device
MOMENTUM 3 Wireless
Fully Functionality
Yes
Good Physical Condition
No
Great going! You are half way through your Trade-in assessment. If you do not wish to proceed further, simply close this, and your assessment will not be included with our order. Alternatively, please follow below steps to complete your submission. :
- We'll grab your contact details and address and share with our partner, Moorup, to start the return set up for your trade-in headphones.
- You'll receive further instructions on completing your trade-in from Moorup by email. Complete Trade-in T&Cs can be found here.
- Once Moorup receives your headphones, and validates the condition of the headphones and your identity, they will issue the refund to your nominated bank account. How Moorup handles your personal data can be found here.
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Step 03 of 06
Personal Details
We need a few details to complete your trade-in request. Your information will be securely handled in accordance with Moorup's Privacy Policy.
Please enter your name
Please enter a valid email
Please enter your Address
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Step 04 of 06
Banking Details
We need a few details to complete your trade-in request. Your information will be securely handled in accordance with Moorup's Privacy Policy.
Please enter a valid BSB
Please enter valid Account number
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Step 05 of 06
Prepare my Headphones
Prepare to return your headphones.
The final step is to prepare your headphones for returning to Moorup.
Return your headphones at local post office
Once submitted, we'll email you a barcode you can take to any Australia Post location to return your headphones. All postage costs are covered by Moorup.
Disable Activation or Device Lock.
Before returning your headphones, all activation and headphones locks must be disabled. If a returned headphones is still locked, it will be assessed with a trade-in value of $0.
Not sure how to disable Activation Lock?
You can find a step-by-step guide on preparing your headphones for trade-in here at Moorup's Help Centre.
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For your MOMENTUM 3 Wireless
Headphones
MOMENTUM 3 Wireless
Estimated trade-in value
$250.00
Your trade-in request is received
Thank you for completing your trade-in assessment. Once your headphones are received and validated, $250 will be transferred to your nominated bank account details provided during the trade-in process by Moorup.
What's next?
You'll receive an email with the next steps. We'll need to verify your identity and once complete you'll receive pre-paid return postage details. Then it's time to drop that old pair of headphones off to Australia Post.
When will I receive my payment?
Once we receive a thumbs up from Moorup, refunds are typically processed within 7 business days.
What if I need help?
If you have any questions or want to check the status of your trade-in, contact us at sennheiser@moorup.com.au.
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-
Sennheiser Sound -
USB-C plug-and-play connection -
Lightweight, comfortable in-ear design -
Inline remote & microphone -
Secure fit with noise isolation
CX 80 U
Sennheiser CX 80 U delivers the brand’s signature balanced sound through a modern wired USB-C connection. No pairing. No charging. Just plug in and enjoy clear, natural audio with effortless everyday usability.
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Sennheiser Sound
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USB-C plug-and-play connection
-
Lightweight, comfortable in-ear design
-
Inline remote & microphone
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Secure fit with noise isolation
Features
- Signature Sennheiser tuning: Balanced sound with crisp highs, natural mids, and controlled bass
- Pure digital sound: USB C connection delivers stable, uncompressed audio without pairing or charging
- Designed for comfort: Lightweight in-ear design with three ear tip sizes (size M on the product) for a secure fit that provides passive noise isolation
- Stay connected: Inline remote and microphone for easy call and music control
- Built to last: Durable materials for reliable everyday listening
Pure sound, no distractions
Enjoy clear, balanced audio wherever your day takes you.
Experience the unmistakable Sennheiser sound with the CX 80 U. Carefully tuned for clarity and balance, it reproduces your music with crisp detail, natural mids, and controlled bass. The in-ear design also provides effective passive noise isolation, helping you stay focused on your sound in busy environments.
Instantly connected
No pairing. No charging. Just plug in and listen.
The CX 80 U is designed for simplicity. Its wired USB C connection works instantly with compatible smartphones, tablets, and laptops. Enjoy reliable performance and consistent digital sound quality without worrying about battery life or connectivity.
Comfort for everyday life
Lightweight design made to move with you.
Compact and easy to wear, the CX 80 U is built for all-day comfort. Three sizes of ear tips ensure a secure, personalized fit while improving noise isolation, so your music stays clear and comfortable throughout the day.
Easy control
Stay in control of calls and music.
The integrated inline remote and microphone let you manage playback, adjust volume, and take calls with ease. Designed for everyday convenience, it keeps everything you need within easy reach.
Specifications
Ear coupling
Ear canal
Wearing style (cable)
Wired in-ear
Weight
Approx. 14.3 g
Frequency response
17 – 20,000 Hz (-10 dB)
Transducer principle
Dynamic, closed
Transducer size
9.7 mm
Sound pressure level (SPL)
119 dB SPL @ 1 kHz, 1V RMS
Total harmonic distortion (THD)
<0.5% (1 kHz, 100 dB SPL)
Impedance
28 Ω (1 kHz)
Cable length
1.2 m
Plug
USB C
Microphone principle
MEMS
Microphone frequency response
100 Hz to 10,000 Hz
Microphone pick-up pattern (speech audio)
Omni-directional
Magnetic field strength
1.2 mT
What's included
- One pair of CX 80 U in-ear headphones
- Three sizes of ear tips (size M on the product)
- A quick guide to get you started
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