HP Poly CS540A Headset with Handset Lifter (80R99AA#ABA, 84693-11) | New
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Overview of HP Poly CS540A Headset with Handset Lifter (80R99AA#ABA) New
The HP Poly CS540A Headset with Handset Lifter (80R99AA#ABA) is a professional-grade DECT wireless office headset package designed to increase desk phone users' mobility, productivity and call clarity. With the help of this convertible mono headset, which comes with the well-liked Poly CS540A and the HL10 handset lifter, you can use your desk phone to answer and finish conversations remotely with just one touch, even if you're not seated. Agents and executives can go to printers, conference rooms or coworkers' desks without missing calls due to DECT 6.0 wireless technology, which has a roaming range of up to about 350–400 feet. This HP Poly wireless headset system is made for all-day comfort in busy front offices, contact centers and hybrid workspaces. It has a noise-canceling microphone, up to seven hours of talk time and SoundGuard acoustic protection.
Key Features of HP Poly CS540A Headset with Handset Lifter
• Convertible DECT wireless design with three wearing styles (over-the-ear, over-the-head, behind-the-head) for personalized comfort throughout the workday.
• Includes HL10 handset lifter enabling remote call answer/end by automatically lifting and replacing the desk phone handset.
• Long-range DECT 6.0 wireless connectivity supports up to about 350–400 ft (up to 120 m) from the base for true office mobility.
• Up to 7 hours talk time on a single charge, with adaptive power system that optimizes output to extend battery life.
• Noise-canceling microphone reduces background noise so callers hear you clearly, even in open offices.
• SoundGuard acoustic protection limits sudden audio spikes and keeps levels below approximately 118 dBA to help prevent acoustic shock.
• Wideband and narrowband audio modes (approx. 20 Hz–6.8 kHz) let you balance HD voice quality with extended talk time.
• Simple call controls on the headset—one-touch answer/end, volume up/down, mute—streamline handling of desk-phone calls.
Benefits of HP Poly CS540A Headset with Handset Lifter
Specifications for HP Poly CS540A Headset with Handset Lifter (80R99AA#ABA) | New
| Manufacturer | Poly |
| Manufacturer Part Number | 80R99AA#ABA, 84693-11 |
| Product Name | HP Poly CS540A Headset with Handset Lifter |
| Product Type | Wireless Headset |
| Series | CS540 Series |
| Manufacturer Part Number | 80R99AA#ABA, 84693-11 |
| Product Type | Wireless DECT office headset with HL10 handset lifter bundle |
| Use Case | Desk phone communications, office/call center, TAA-compliant environments |
| Headset Form Factor | On-ear, convertible (over-the-ear, over-the-head; neckband optional) |
| Wearing Style | Convertible mono (monaural) |
| Color | Black |
| Wireless Technology | DECT / DECT 6.0 (1920–1930 MHz) |
| Connectivity | Wireless (DECT) to base; base to desk phone via RJ-11 |
| Max Wireless Range | Up to 120 m / approx. 350–393.7 ft line of sight |
| Audio Bandwidth | Speaker bandwidth 20 Hz to 6.8 kHz (narrowband or wideband) |
| Max Sound Pressure | Nominal SPL / max sound pressure 118 dB (SoundGuard limit) |
| Acoustic Protection | SoundGuard acoustic limiting (limits sounds to below 118 dBA; protection against audio spikes) |
| Microphone Type | Noise-canceling boom microphone |
| Mic Frequency Response | Up to 6800 Hz |
| Talk Time | Up to 7 hours continuous talk time |
| Battery Type | Rechargeable headset battery (integrated) |
| Power Features | Adaptive power system automatically downshifts power to extend battery life and increase density |
| Weight (Headset) | Approx. 21–22 g (0.74 oz / 0.04–0.05 lb) |
| Localization | English / United States |
| Controls on Headset | One-touch call answer/end, volume up/down, mute; flash via base/headset depending on phone integration |
| HL10 Handset Lifter | Included; provides remote call answer/end by mechanically lifting desk-phone handset |
| Coverage / Conferencing | Ability to conference in up to 3 additional CS500 or Savi headsets on the same base |
| Security | DECT Security, 64-bit encryption (CS500 series class) |
| TAA Compliance | Yes, TAA-compliant DECT headset model |
| Operating Environment | Designed for office/enterprise desk-phone use; supports dense deployments |
| Included Accessories | HL10 handset lifter, headset, base/charger, ear hook(s), headband, power supply, phone cables (bundle contents may vary) |




