Sennheiser CX True Wireless charging case shown for on-the-go charging and storage
Sennheiser CX True Wireless earbuds in-ear fit for secure listening and comfort
Sennheiser CX True Wireless with Bass Boost for richer low-end sound
Sennheiser CX True Wireless touch controls for easy music and call management
Sennheiser CX True Wireless IPX4 splash resistance for workouts and rain
Sennheiser CX True Wireless app control for personalized sound settings

Sennheiser

Sennheiser CX True Wireless Earbuds – 27h Battery, Passive Noise Cancellation, IPX4, Touch Controls

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$137.25

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

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Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Immersive, flexible listening wherever life takes you

The CX True Wireless earphones bring Sennheiser’s signature sound into a compact, wire-free design. Equipped with 7mm TrueResponse drivers and support for AAC, aptX, and SBC codecs, they deliver balanced clarity across highs, mids, and bass for everyday listening.

Power that keeps pace with your day: up to 9 hours of playback from a single charge, plus an on-the-go charging case that adds up to 18 more hours. In total, you can enjoy as much as 27 hours of listening between charges, whether you’re commuting, working out, or unwinding at home.

The buds are designed for quiet focus with a secure, ergonomic fit and four ear tip sizes, enabling effective passive noise isolation so music, podcasts, and conversations stay clear in busy environments.

On-the-fly control and customization are simple thanks to the Smart Control App for iOS/Android. You can tailor earbud actions, switch between sound profiles, and activate Bass Boost or the built-in EQ to suit your taste, all without interrupting your flow.

Durability for everyday life comes through IPX4 splash resistance, making them suitable for workouts and outdoor use. A compact charging case complements the lightweight design, supporting travel and daily carry with ease.

Key benefits at a glance

  • Clear, balanced sound powered by 7mm drivers and multiple codecs (AAC, aptX, SBC)
  • Long-lasting battery: up to 27 hours total with the charging case
  • Passive noise isolation from a secure, ergonomic fit with multiple ear tips
  • Personalized controls and sound via the Smart Control App and Bass Boost/EQ
  • IPX4 splash resistance for everyday wear and workouts

Real-world scenarios

  • Morning commute with clear calls and steady playback
  • Gym sessions or outdoor runs with sweat- and splash-resistance
  • Remote meetings or podcasts with focused listening and easy voice access
  • Travel and daily errands with a portable, user-friendly charging case

Overall, these earbuds offer a practical mix of sound quality, battery life, and customization that can adapt to many listening moments without promising guaranteed results. They’re designed to be a reliable companion for music, calls, and content on the go.

FAQ

Q: What devices are compatible with Sennheiser CX True Wireless?

A: The earbuds pair via Bluetooth and support AAC, aptX, and SBC codecs for broad compatibility with most smartphones, tablets, and laptops.

Q: How long does the battery last on a single charge?

A: Up to 9 hours per charge, plus 18 hours from the charging case, totaling up to 27 hours of playtime.

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