Poly CS545-XD Convertible Wireless Headset | 900 MHz – 7E2K0AA#ABA
Poly CS545 XD ED HS TAA US
This Product Has Been Discontinued
Discontinued February 2026
Discontinuation Notes
No direct replacement. CS540 matches the style but is DECT instead of 900 MHz and doesn't have a hot-swappable battery. Savi 8445 matches the style and has a hot swappable battery but is DECT instead of 900 MHz and connects to the desk phone, PC (via USB) and has Bluetooth in the base.
Need Help Finding an Alternative?
Our team can help you find a suitable replacement. Call us at 844-622-6636 or contact us online.
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Poly CS545 XD ED HS TAA US
This Product Has Been Discontinued
Discontinued February 2026
Discontinuation Notes
No direct replacement. CS540 matches the style but is DECT instead of 900 MHz and doesn't have a hot-swappable battery. Savi 8445 matches the style and has a hot swappable battery but is DECT instead of 900 MHz and connects to the desk phone, PC (via USB) and has Bluetooth in the base.
Need Help Finding an Alternative?
Our team can help you find a suitable replacement. Call us at 844-622-6636 or contact us online.
Certified Women-Owned
Will this work for me?
View RequirementsProduct Overview
The CS545-XD delivers professional-grade audio with your choice of narrowband or wideband modes (up to 6,800 Hz) and a noise-canceling microphone that filters out background office noise. Enhanced Digital Signal Processing (DSP) ensures natural-sounding voice quality on every call. With up to 350 feet of wireless range from the charging base, users can move freely throughout the office while maintaining crystal-clear conversations.
What sets the CS545-XD apart is its hot-swappable battery system for unlimited talk time. The included spare battery and USB/AC charger allow users to swap batteries mid-call without disconnecting—perfect for multi-shift operations or heavy phone users. One-touch call controls for answer/end, volume, and mute are built into the headset, and the system supports conferencing up to four headsets on a single base for collaborative calls.
Deploy more wireless headsets in the same space without interference. The 900 MHz frequency provides 90 available channels compared to 30 with standard DECT, supporting up to 54 headsets in high-density environments.
- • 900 MHz wireless frequency
- • Up to 54 headsets per area
- • 90 available channels
Never worry about battery life during critical calls. Swap batteries mid-call without disconnecting—the system maintains your connection for up to 5 minutes during battery replacement.
- • Up to 6 hours per battery charge
- • Spare battery and USB/AC charger included
- • Hot-swap within 5 minutes maintains call
Move freely throughout your office while staying connected. The extended range lets you walk to files, visit colleagues, or grab coffee without missing a moment of your call.
- • Up to 350ft / 107m range
- • Adaptive power system optimizes battery
- • One-touch call controls on headset
Sound professional in any environment. The noise-canceling microphone filters out background office chatter while Enhanced Digital Signal Processing delivers natural-sounding voice quality.
- • Noise-canceling boom microphone
- • Enhanced DSP for natural voice
- • Narrowband or wideband audio (up to 6,800 Hz)
Choose your preferred wearing style for all-day comfort. The ultra-lightweight headset includes over-the-ear and over-the-head options with multiple ear tip sizes for a personalized fit.
- • 21 grams headset weight
- • 3 wearing styles included
- • Multiple ear tip and earloop sizes
Collaborate easily by conferencing additional headsets onto a single call. Guest headsets subscribe to the base by simply docking, enabling quick team collaboration.
- • Up to 4 headsets per base
- • Guest subscription via docking
- • Independent mute controls per headset
Who Should Use This Product?
Call Center Agents
Ideal for high-density call center environments where dozens of wireless headsets operate simultaneously. The 900 MHz technology prevents interference while hot-swappable batteries support multi-shift operations without downtime.
Enterprise Office Workers
Perfect for desk-centric professionals who need hands-free mobility to multitask, access files, and collaborate with colleagues while managing desk phone calls throughout the workday.
Multi-Shift Operations
Built for 24/7 operations where headsets are shared across shifts. The included spare battery and charger ensure fresh power is always available, enabling continuous operation without charging downtime.
Why Choose This Product
For organizations with heavy phone users or multi-shift operations, the CS545-XD delivers exceptional value through unlimited talk time capability. The included spare battery and USB/AC charger mean the second battery is always charged and ready. The convertible design with multiple wearing options ensures every user finds a comfortable fit for all-day use, while the noise-canceling microphone maintains professional call quality even in busy office environments.
Will This Work for Me?
Works With
- • Most corded desk phones with standard headset port or handset connection
- • Compatible with Avaya, Cisco, Polycom, Nortel, Mitel, and other major desk phone brands
Requirements
- • AC power outlet for base station
- • Desk phone with RJ-9 handset port or dedicated headset port
Software
- • No software required—plug-and-play operation
Note
For remote call answer/end from headset, add optional HL10 handset lifter or compatible EHS cable (sold separately). Only XD headsets work with XD bases.
What's in the Box
- Headset with pre-installed battery, eartip, and earloop
- Charging base
- Telephone interface cable
- Power supply
- Headband
- Fit kit (additional eartips and earloops)
- Spare battery
- Battery charger with USB/AC adapter