About CS540 Convertible DECT Wireless Headset (8J8V4AA)

The Plantronics CS540 Experience

The Plantronics CS540 is more than just a wireless headset; it's a commitment to impeccable audio quality and seamless communication. Whether you're in a bustling office environment or working remotely, the CS540 ensures every conversation is crystal clear.

Detailed Features of the CS540

  • Extended Mobility: Roam freely with a wireless range of up to 350 feet. Whether you're fetching a document from the printer or heading to the pantry for a quick break, your calls remain uninterrupted.

  • DECT Technology: Experience interference-free communication. DECT technology ensures that your conversations are not affected by other wireless devices or Wi-Fi networks.

  • Versatile Wearing Styles: The CS540 is designed with user comfort in mind. Choose from over-the-ear or over-the-head wearing styles. Its feather-light design ensures you can wear it all day without any discomfort.

  • Adaptive Power Management: Never worry about running out of battery during important calls. The CS540's smart power management system optimizes battery usage, ensuring you get extended talk times.

  • Intuitive Controls: With one-touch controls, manage your calls effortlessly. Whether you want to answer/end calls, adjust the volume, or mute your microphone, everything is at your fingertips.

Deep Dive into Audio Quality

The CS540 boasts premium wideband audio quality. This ensures that every conversation is heard with clarity, capturing every nuance. The noise-cancelling microphone further ensures that background noises are minimized, making sure your voice is transmitted clearly, even in noisy environments.

Seamless Integration with Devices

The CS540 isn't just designed for desk phones. With the appropriate adapters, it can be seamlessly integrated with laptops, PCs, and mobile devices, making it a versatile tool for all your communication needs.

Safety First

Plantronics prioritises user safety. The CS540 comes equipped with SoundGuard technology, which protects users from sudden loud noises and audio spikes, ensuring a safe listening experience.


FAQs for the CS540:

How do I pair my Plantronics CS540 with other devices?

The CS540 can be paired with a variety of devices using the appropriate adapters or cables. Check the user manual for detailed pairing instructions.


Is the Plantronics CS540 suitable for music?

While primarily designed for voice communication, the CS540 offers high-quality audio that can be used for listening to music during breaks.


How long does the battery last on standby?

The CS540 boasts an impressive standby time, ensuring it's always ready when you are. For exact specifications, refer to the product manual.


Is CS540 the same as C054?

Yes, the CS540 is often referred to as C054. It's essentially the same product, but "C054" is the model number used on some versions of the headset.


Does Plantronics CS540 have Bluetooth?

No, the Plantronics CS540 uses DECT technology for wireless communication and does not have Bluetooth capability. However, it can be connected to devices that support Bluetooth using appropriate adapters.


How to install CS540?

Installing the CS540 is straightforward. Connect the base to your desk phone or computer using the provided cables. Place the headset in the charging cradle for an initial charge. Once charged, it's ready for use. For detailed setup instructions, refer to the user manual or visit the official Plantronics website.


Why is my Plantronics headset not connecting to my PC?

If your Plantronics CS540 is not connecting to your PC, ensure that you're using the correct cable or adapter. Check the connection points and restart both the headset and the PC. If the issue persists, consult the user manual or contact Plantronics support for troubleshooting.


How do I get my PC to recognise my headset?

Ensure that the headset is properly connected to your PC using the appropriate cables or adapters. Once connected, go to the 'Sound' settings on your PC. Under the 'Playback' and 'Recording' tabs, you should see your headset listed. If not, try restarting your PC or checking the connection.


How do I get my Plantronics wireless headset to work on my PC?

To get your Plantronics wireless headset working on your PC, you'll need a compatible adapter or cable. Connect the headset base to your PC using this adapter/cable. Once connected, ensure that your PC's sound settings are set to use the Plantronics headset for both audio output and input.


How do I connect my CS540 to my computer?

The CS540 can be connected to a computer using a DA series USB audio processor or a compatible USB cable. Plug the processor or cable into an available USB port on your computer, and connect the other end to the CS540 base. Ensure that the computer's audio settings are configured to use the CS540 as the default audio device.


Why is the white light blinking on my Plantronics headset?

A blinking white light on your Plantronics headset typically indicates that the headset is in pairing mode. If you haven't initiated pairing, it could also mean that the headset is not charging properly or there's a notification. It's best to refer to the user manual specific to your model for a precise diagnosis.


Related Links:

About Poly

As a trusted Poly partner, Telrex is proud to offer a full range of headsets, conference phones, business phones, video conferencing, software, and services. Poly's wide range of communication solutions allows your business to stay connected regardless of your team's location. Our Telrexperts have helped thousands of clients in various industries, from government and education to healthcare and financial services. 

Features of the Plantronics CS540 Convertible DECT Headset:

  • Convertible Wearing Styles: Choose from three wearing styles - over the ear, headband over the head, or neckband behind the neck for ultimate comfort and flexibility.
  • Superior Call Management: One-touch call answer/end, volume control and mute, manage calls from up to 350 feet away from the charging base.
  • Sleek Charging Base: The charging base is included and features an adaptive power system that optimizes range and talk time.
  • Outstanding Audio Quality: Voice-dedicated DECT technology provides better audio and eliminates interference from Wi-Fi networks, while advanced wideband audio provides high-definition voice quality.
  • DECT Security Certified: With eight discreet security measures, including a 64-bit encryption, the CS540 ensures confidential information remains private.
  • Advanced Boom and Microphone: An extended boom and noise-cancelling microphone filter out background noise, providing clear audio for the listener.
  • Enhanced Digital Signal Processing: More natural sound is delivered with enhanced Digital Signal Processing (DSP), allowing clear audio to be heard as intended.
  • Professional Grade Audio: Choose between narrow or wideband professional grade audio quality to extend talk time or enable clearer conversations.
  • Remote Call Management: Use with an Electronic Hook Switch Cable or Handset Lifter to remotely answer/end calls.

Product specifications for the CS540 Convertible DECT Headset:


  • Weight: 21 grams (0.74 oz)
  • DECT 6.0 technology for enhanced audio quality
  • Advanced wideband audio for high-definition voice quality
  • Noise-cancelling microphone for clear conversations
  • Extended boom for improved microphone placement
  • Enhanced Digital Signal Processing (DSP) for more natural sound
  • Choice of narrow or wideband professional grade audio quality
  • 8 discreet security measures, including a 64-bit encryption
  • One-touch call answer/end, volume +/-, and mute controls

Charging Base:

  • Sleek charging base design
  • Adaptive power system optimizes range and talk time
  • Conferencing with up to three additional headsets
  • Handset Lifter or Electronic Hook Switch Cable support for remote call answering/ending
  • Operating range: up to 350 feet from the charging base

Wearing Styles:

  • Over-the-ear
  • Headband over-the-head
  • Neckband behind-the-neck


  • Compatible with desk phones with a standard headset jack
  • May require an additional adapter for some phone models

Package Contents:

  • CS540 Convertible DECT Headset
  • Charging Base
  • AC Power Adapter
  • Electronic Hook Switch Cable or Handset Lifter (depending on your phone model)
  • 3 wearing styles (over-the-ear, headband over-the-head, neckband behind-the-neck)


Note: Product specifications are subject to change without notice.

MPN 84693-03
Barcode # 017229134768
Brand Poly
Shipping Weight 1.1000kg
Shipping Width 0.210m
Shipping Height 0.120m
Shipping Length 0.140m
Shipping Cubic 0.003528000m3
Type Headset

2 Year Warranty

No brochure is available for this product.

Need more information or assistance with this product?

Contact us on 1300 665 970 or complete an online enquiry and one of our staff members will get back to you as soon as possible.

SKU: 8J8V4AA • MPN: 84693-03

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