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Sennheiser CX True Wireless In-Ear Headphones (White)

SKU: 508973-1 Brand:

Original price was: ₹10,990.Current price is: ₹7,490. incl. GST

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1 in stock

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  • 7mm TrueResponse Drivers
  • Up to 9 Hours of Battery Life
  • Charging Case for 18 Extra Hours
  • IPX4 Water & Sweat Resistance
  • App-Controlled Bass Boost & Equalizer
  • 10-Minute Charge for 1 Hour of Playback
  • Auto Call & Sidetone Functions
  • Voice Prompts for Pairing, Calls & More
  • Includes Four Pairs of Eartips
In the Box:
  • Sennheiser CX True Wireless In-Ear Headphones (White)
  • Charging Case
  • USB Type-C to USB Type-A Charging Cable (0.8′)
  • Pair of Extra Small Silicone Eartips
  • Pair of Small Silicone Eartips
  • Pair of Medium Silicone Eartips
  • Pair of Large Silicone Eartips

Sennheiser 508973 Overview

Listen to clear, customized sound without wires using the Sennheiser CX True Wireless In-Ear Headphones. Engineered with bespoke Sennheiser TrueResponse 7mm drivers, the CX earbuds are designed to deliver clear and accurate music reproduction. Using the Smart Control app on your iOS or Android device, this audio can be customized to your liking with bass boost and equalizer adjustments. In addition to audio entertainment, the CX earbuds can be used throughout your day to communicate via hands-free calling, and keep you informed with access to your mobile device’s digital assistant.

All-Day Battery Life
On a full charge the CX in-ear headphones gives you up to 9 hours of playback, and an additional 18 hours through the included charging case. Simply place the earbuds inside the case and close the lid to immediately activate the recharging process.

Quick Charge
Forgot to charge your CX earbuds? With the quick charge feature, that’s not a problem. With just 10 minutes of charging inside the case, the earbuds can deliver up to 1 hour of playback.

Workout Friendly
Featuring IPX4-rated water resistance, the CX earbuds can withstand splashes and sweat, making them ideal for use in the gym.

Auto Call

Making it more convenient to receive calls hands-free, Sennheiser offers Auto Call. With Auto Call, incoming calls are automatically accepted once you remove the CX earbuds from the case.

When activated, this feature gives you the ability to hear yourself while on a call.

Additional Features
Voice prompts for pairing, calls, and more

Customizable touch controls
Four pairs of eartips for a customized and comfortable fit

Packaging Weight 0.3 kg
Packaging Dimensions 21 × 15 × 6 cm
Earpiece Design

In-Ear (Intra-Aural)

Driver Type


Driver Size

0.3" / 7 mm

Active Noise Cancellation


Controls/Microphone Location

Controls: Earpiece (Side Unspecified)
Microphone: Earpiece (Side Unspecified)

Full Remote OS Support

Android, iOS

Maximum Sound Pressure Level (SPL)

110 dB at 1 kHz

Total Harmonic Distortion (THD)


Number of Voice Mics


Beamforming Support


Microphone Type


Noise Cancelling Microphone

Not Specified by Manufacturer

Frequency Response

100 Hz to 10 kHz

Wireless Modulation



5.2 LE

Supported Audio Codecs

AAC, SBC, aptX

Bluetooth Profiles


Bluetooth Power Class



Bluetooth: 2.4 GHz (2.402 to 2.48 MHz)

Bluetooth Transmitter Power

10 mW

Battery Chemistry


Capacity (mAh)

55 mAh


9 Hours (BT)

Quick Charging Times

10 Minutes for 1 Hour

Recharge Time

1.5 Hours

DC Input Power

3.7 VDC

Charging Case

Additional Runtime with Charging Case
18 Hours (BT)
400 mAh

Charging Cable Length

0.8' / 0.2 m



Environmental Protection

Water-Resistant (IPX4)

LED Indicator



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Returns Policy

  • Replacement of 7 days is covered for manufacturing defect only.
  • You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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  • All terms of returns & refunds can be found on the Return Policy.
  • Drones & Robots cover no warranty, returns or replacement. There is no service center of DJI in India and the products cannot be inspected by any person.

Shipping Policy

  • We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
  • When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
  • Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kg.
  • Dimensional weight may be more than actual weight. We calculate based on dimensional weight only.
  • All conditions for shipping can be found on Shipping Policy.
GTIN: 615104355040