From the manufacturer

Product overview

The CS540 convertible DECT headset provides professional performance so you can get more done — even on the move. The noise-canceling mic reduces background noise interruptions, ensuring great audio quality and easing listener fatigue.

Give everyone more freedom to move

Everyone in the office could use more flexibility. Let them roam confidently up to 400 ft from the headset base. They’ll be able to collaborate simply since teams can conference up to four headsets on a single base.

The choice is yours

There’s more than one way to make a call — switch up styles to find your groove and introduce your ears to something new. The CS540 convertible design comes with three wearing options: over-the-ear, over-the-head, behind-the-head.

Key Features

It’s just easy

Simplify desk phone management with headset audio controls and adding either the HL10 Handset Lifter or Electronic Hook Switch Cable (EHC) for remote call capabilities.

Extended range and talk time

The adaptive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base — saving battery life and maintaining maximum density.

SoundGuard technology

SoundGuard acoustic limiting technology protects against Acoustic Shock by limiting sounds to below 118dBA ensuring listening comfort and protection against audio spikes.

Superior audio quality

Your choice of narrowband audio to extend talk time or advanced wideband audio for high — definition voice quality. Enhanced Digital Signal Processing (DSP) provides more natural sound, delivering clear audio the way it’s intended to be heard.

Maximum protection

The CS540 headset includes DECT technology that provides better audio quality and eliminates interference from Wi-Fi networks while calls stay safe and secure.

In the box

What's in the box

  • Office base
  • AC power adapter
  • Headband
  • Telephone interface cable (TIC)
  • Headset with pre-installed battery, eartip and earloop
  • Kit with eartips and earloops

Manufacturer Warranty

Poly standard one-year limited warranty

Country of origin Made in Mexico
UPC number (ABA) 197497173833
(AC3) 197497173840
Color Black
Weight 0.04 lb
Package weight 0.66 lb
Master carton dimension (imperial) 1.29 x 1.81 x 1.46 in
Package dimensions (W x D x H) 7.48 x 8.26 x 2.16 in
Pallet dimensions 40 x 48 x 50.39 in
Multiple order quantity 12
Products per pallet layer 84
Pallet (layers) 3
Products per pallet 252
Cartons per pallet 21
Cartons per layer 7
Master carton weight (imperial) 26.85 lb
Pallet weight 1466.54 lb
Battery life Up to 7 hours (talk time)
Wireless range Up to 120 m
Wireless range (imperial) Up to 350 ft
Acoustic protection technology SoundGuard1
Nominal sound pressure level 118 dB SPL
Connection type Wireless
DECT
Wired: RJ-11
Microphone type Noise cancelling
Speaker bandwidth 20 Hz to 6.8 kHz (narrowband or wideband)
Compatible Operating Systems Windows 11
Windows 10
macOS