Plantronics CS520 Wireless Headset



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The Plantronics CS520 wireless headset has been discontinued.
Click here to see current wireless models

Updated 2/23/2021

• Business grade headset weighing 96 grams
• Distance to cover most offices with 350 feet of range
13 hours of talk time to get you though the busiest days
Covering both ears allows complete focus on your caller
Add an EHS cable/HL10 lifter for remote answer

CS520 Setup and Installation Guide

  • Discontinued
  • Warranty 1-Year
  • Fresh Batteries
  • Latest Date Codes
Featured Videos
Plantronics CS510 Wireless Headset Introduction (CS510-XD)
What To Consider When Purchasing A  Wireless Headset
Why You Need A Lifter Or EHS Cable With Your Plantronics Wireless Headset

Plantronics CS520 Wireless Benefits:

  • Improve your efficiency by being mobile
  • Has up to 350 feet of walking range from your device
  • While talking; walk to files, reference materials, co-workers, copier…
  • Binaural wireless headset system keeps focus on your caller
  • Able to receive up to 13 hours of talk time
  • Adaptive power system which boosts talk time and range
  • Increases productivity, by freeing your hands for writing and typing
  • Excellent sound quality allows you to hear the first time
  • Weighing only 96 grams the CS520 fits securely for all day comfort
  • DECT technology for better audio and eliminates Wi-Fi interference

Why You Need A Lifter or EHS Cable - Video

Why You Need a Busy Light - Video

FREE technical support with purchase
Rechargeable battery included


Plantronics CS520 Installation Walk-Through

Plantronics CS520 Wireless Headset Features:

  • Secure Over-the-Head binaural headband provides all day comfort
  • Plantronics CS520 wireless headset weighs 96 grams
  • Up to 350 feet of range to roam your office and improve productivity
  • Speaker volume & mute controls at your fingertips allowing adjustments remotely
  • Adaptive power system optimizes for the perfect balance between range and talk time
  • CS500 series uses voice-dedicated DECT technology eliminates Wi-Fi interference
  • Binaural wireless headset system using wideband audio CAT-iq technology
  • Conference up to three additional CS headsets to have co-workers join calls quickly and easily
  • Noise-canceling microphone reduces background noise to your caller
  • CS520 headset provides an amazing 13 hours of continuous talk time
  • The CS520 Plantronics headset is compatible with most phones
  • Optional HL10 Handset Lifter or EHS cable allows for remote answer
  • 1 Year Warranty
  • SKU# 84692-01 (CS520 / HL10 with lifter 84692-11) (Reads c052 / co52 on base)
  • UPC 017229134751

*Base reads Plantronics c052 – References CS510 and CS520

What Comes In The Plantronics CS520 Box:

What The Plantronics CS520 Lights Indicate:

CS520 Base: Bottom-Left = Solid GREEN when in use
= Solid RED when microphone is muted
Bottom-Middle = Solid WHITE when power connected
Bottom-Right = Solid GREEN indicates headset is fully charged
= Flashing GREEN indicates headset is properly docked and charging
CS520 Headset: = Flashes GREEN when in use



Additional information for the Plantronics CS520 Wireless Headset




Desk Phone

Headset Wearing Style

Headband Dual Ear

Headset Weight

96 grams

Talk Time

13 hrs

Roam Distance

350 ft

Part #

84692-01 (CS520 / HL10 with lifter 84692-11) (Reads c052 / co52 on base)







End-Of-Life Date

May 2020

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