Poly Plantronics CS540 Wireless Headset (8J8V4AA#ABB) - ATHQ
Poly Plantronics CS540 Wireless Headset (8J8V4AA#ABB) - ATHQ
Plantronics

HP Poly CS540A Wireless Headset (8J8V4AA#ABB) | Like New

SKU: 8J8V4AA-ABB-LN
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$79.99
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The HP Poly CS540A Wireless Headset (8J8V4AA#ABB) offers hands-free convenience and clear audio communication for compatible desk phones. This convertible office headset utilizes DECT wireless technology within the 1880–1900 MHz frequency range, allowing professionals to step away from their desk while remaining connected to calls. HP specifies a wireless range of up to 120 meters and provides up to seven hours of talk time, though actual performance may vary based on operating conditions and audio configurations. At only 21 grams, the Poly CS540A features a slim, single-ear design and comes with headband and earloop choices for a customized fit. The noise-canceling microphone minimizes background noise captured during discussions, and the option for narrowband or wideband audio suits various calling needs. The provided office base connects to a compatible desk phone via the included telephone interface cable and offers a convenient spot to store the headset between calls.

Quick specs

Product Type
Wireless Headset
Color
Black
Wireless Technology
DECT
Operating Frequency Band
1880–1900 MHz
Earpiece Configuration
Monaural / single-ear
Desk-Phone Connection
Telephone interface cable connected through the office base

Key Features

  • DECT wireless connectivity: Uses the 1880–1900 MHz DECT frequency band for communication between the headset and office base.

  • Wireless range up to 120 meters: Supports movement around the workplace within the available wireless coverage; walls and other environmental factors affect actual range.

  • Up to seven hours of talk time: Provides extended calling time from the rechargeable headset battery.

  • Lightweight 21-gram headset: Keeps the headset compact and light for everyday office use.

  • Convertible wearing options: Includes a headband, earloops, and eartips so users can choose an over-the-head or over-the-ear setup.

  • Noise-canceling microphone: Helps limit unwanted background noise transmitted during calls.

  • Narrowband and wideband audio: Supports speaker bandwidth from 20 Hz to 6.8 kHz, depending on the selected audio mode.

  • Desk-phone connection kit: Includes an office base, AC power adapter, and telephone interface cable for compatible installations.

  • Headset-mounted controls: Provides microphone mute and listening-volume adjustment within easy reach.

  • Optional remote answer/end: A compatible electronic hook switch adapter or HL10 handset lifter enables remote desk-phone call answering and ending; these accessories are sold separately.

Benefits

  • Move without holding the handset: DECT connectivity gives users greater freedom to retrieve documents or move within their workspace while remaining on a call.
  • Keep conversations focused: The noise-canceling microphone helps callers hear the user more clearly in environments with background activity.
  • Choose a comfortable wearing style: Included headband and earloop accessories allow users to select the fit that suits their workday.
  • Reduce headset weight: The 21-gram design offers a light alternative to larger office headsets.
  • Support extended calling sessions: Up to seven hours of talk time helps reduce charging interruptions during daily telephone work.
  • Retain a compatible desk phone: The included base and interface cable add wireless headset capability without requiring replacement of the existing phone.
  • Add remote call handling when needed: An optional compatible EHS adapter or handset lifter lets users answer and end calls from the headset rather than returning to the desk phone.
Manufacturer HP Poly
Manufacturer Part Number 8J8V4AA#ABB
Product Name HP Poly CS540A Wireless Headset
Product Type Wireless Headset
Color Black
Wireless Technology DECT
Operating Frequency Band 1880–1900 MHz
Wearing Configuration Convertible; over-the-head or over-the-ear using the included accessories
Earpiece Configuration Monaural / single-ear
Desk-Phone Connection Telephone interface cable connected through the office base
Included Telephone Cable Telephone Interface Cable (TIC)
Microphone Type Noise-canceling
Speaker Bandwidth 20 Hz–6.8 kHz
Audio Modes Narrowband or wideband
Nominal Sound Pressure Level 118 dB SPL
Acoustic Protection Technology SoundGuard
Maximum Talk Time Up to 7 hours
Battery Installation Battery pre-installed in the headset
Charging Method Office base; HP identifies the charging type as “1-way base”
Headset Weight 21 g
Package Dimensions (W × D × H) 164.5 × 165 × 182 mm
Package Weight 610 g
Included Base Office base
Included Power Accessory AC power adapter
Included Wearing Accessories Headband; pre-installed eartip and earloop; additional eartip and earloop kit
Package Contents Office base, AC power adapter, headband, telephone interface cable, headset with pre-installed battery/eartip/earloop, and kit with eartips and earloops
Pallet Dimensions (W × D × H) 101.6 × 121.9 × 149 cm
Cartons per Pallet Layer 7
Pallet Weight 357 kg

Frequently Asked Questions

HP Poly CS540A Wireless Headset (8J8V4AA#ABB) | Like New

Does the HP Poly CS540A connect to desk phones?
Yes. The CS540A is designed for compatible office desk telephones. Its included telephone interface cable connects the charging base to a supported telephone connection. Compatibility depends on the phone model and its available interfaces.
What wireless technology does the Poly CS540A use?
The headset uses Digital Enhanced Cordless Telecommunications (DECT) technology. Part number 8J8V4AA#ABB operates on the European 1880–1900 MHz band rather than the North American DECT frequency range.
How far can the Poly CS540A operate from its base?
The headset supports a wireless range of up to approximately 400 feet, or 120 meters, under favorable conditions. Walls, building materials, electronic interference, and office layouts can reduce the effective range.
How long does the HP Poly CS540A battery last?
The rechargeable battery provides up to seven hours of talk time. Actual battery performance depends on operating distance, audio settings, battery condition, and usage patterns.
How long does the CS540A take to recharge?
A complete battery charge typically takes approximately three hours using the supplied office charging base. The headset can receive a partial charge before full charging is completed.
Does the Poly CS540A have a noise-canceling microphone?
Yes. The headset features a noise-canceling boom microphone designed to reduce unwanted background noise transmitted to callers. Enhanced DSP further improves voice intelligibility.
Can the CS540A be worn over either ear?
Yes. Its convertible wearing design accommodates left-ear or right-ear use. The included earloop accessories and adjustable headband provide options for fitting the headset comfortably.
Does the HP Poly CS540A support an over-the-head wearing style?
Yes. An adjustable headband is included, allowing users to convert the headset from an over-the-ear configuration to an over-the-head wearing style.
Can the CS540A be worn behind the head?
Yes. A compatible behind-the-head neckband accessory provides an additional wearing option. The neckband is optional and is not included in the standard package.
Can users answer calls remotely with the CS540A?
Yes, when the headset is connected to a compatible desk phone using an optional Electronic Hook Switch cable or HL10 handset lifter. Without the appropriate accessory, users may need to operate the telephone manually.
Does the Poly CS540A include an EHS cable?
No. The standard package includes a telephone interface cable, but an Electronic Hook Switch cable is purchased separately. The appropriate EHS model depends on the connected desk phone.
Is the Plantronics HL10 handset lifter compatible with the CS540A?
Yes. The optional HL10 mechanical handset lifter supports remote answering and ending of calls on compatible desk telephones when an electronic hook switch connection is unavailable.
Does the CS540A support headset conferencing?
Yes. The system supports conferencing with up to four compatible headsets sharing one base. This enables supervisors or coworkers to participate in a shared telephone conversation.
Can the Poly CS540A connect directly to a laptop using USB?
No. The standard CS540A is primarily designed for desk phone connectivity through its dedicated office base and telephone interface cable. It does not include a direct USB computer connection.
Does the HP Poly CS540A support Bluetooth?
No. The headset uses DECT wireless technology rather than Bluetooth. It communicates with its dedicated office base and is not intended for direct Bluetooth pairing with smartphones or computers.
What is the difference between narrowband and wideband audio?
Wideband audio provides enhanced speech reproduction for more natural conversations. Narrowband audio uses a narrower frequency range and can help extend battery operating time under supported conditions.
Does the CS540A include acoustic protection technology?
Yes. Poly SoundGuard helps limit sudden loud audio peaks below 118 dBA, supporting listening comfort during extended calls and unexpected volume changes.
Can the battery in the Poly CS540A be replaced?
Yes. The headset uses a replaceable rechargeable battery. A compatible manufacturer-specified replacement should be used, following the instructions for the CS540A headset system.
Is the HP Poly CS540A suitable for customer service and call centers?
Yes. Its lightweight design, noise-canceling microphone, wireless mobility, and convenient call controls make it practical for office-based customer service, reception, and telephone-intensive business environments.
Can the 8J8V4AA#ABB version be used in the United States?
This specific configuration uses the European 1880–1900 MHz DECT band, while standard US DECT systems operate at 1920–1930 MHz. It should not be selected for US deployment without confirming applicable radio authorization. A North American frequency-specific CS540 variant is the appropriate alternative for typical US installations.
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Poly Plantronics CS540 Wireless Headset (8J8V4AA#ABB) - ATHQ

HP Poly CS540A Wireless Headset (8J8V4AA#ABB) | Like New

Plantronics

$79.99