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The plt poly voyager 4320 uc vs poly cs540 wireless dect comparison highlights two distinct wireless headsets for professional use. Both models feature noise-canceling microphones and black finishes. They connect wirelessly to support work calls. The main difference lies in their connection technology and ear design. The Voyager 4320 uses Bluetooth for versatile device pairing, while the CS540 relies on DECT for desk phone integration. You must choose between dual-ear comfort and single-ear mobility based on your specific workflow needs.
Connection Technology
Bluetooth 5.2
DECT
Ear Style
Dual-ear
Single-ear (Mono)
Weight
5.71 ounces
1.08 pounds
Audio Protection
Not listed
SoundGuard acoustic limiting
Certification
Microsoft Teams-certified
Not listed
Choose the first if
- You need to connect to multiple devices like PCs and mobile phones via Bluetooth.
- You prefer a dual-ear design for all-day comfort and stereo sound.
- You require Microsoft Teams certification for seamless office integration.
Choose the second if
- You primarily use the headset with a desk phone and need extended range.
- You want a single-ear design to remain aware of your surroundings.
- You need protection against acoustic shock with SoundGuard technology.
Verdict
Choose the Poly Voyager 4320 UC if you need versatile Bluetooth connectivity and a comfortable dual-ear fit for mobile or hybrid work. Select the Poly CS540 if you rely on a desk phone setup and require the extended range and safety features of DECT technology.
PLT Poly Voyager 4320 UC vs CS540
connection technology
Edge: Poly Voyager 4320 UC Wireless Headset
The PLT Poly Voyager 4320 UC uses Bluetooth 5.2 for wireless connectivity. You can connect it to PCs or mobile devices wirelessly, or plug it in via USB-C. It includes a USB-C to USB-A adapter for broader compatibility. In contrast, the PLT Poly CS540 relies on DECT wireless technology. This standard is designed to eliminate interference from Wi-Fi networks and provide secure calls. The CS540 also supports direct connection to desk phones. DECT often offers more stable range in office environments compared to standard Bluetooth.
ear style
Edge: Poly Voyager 4320 UC Wireless Headset
The PLT Poly Voyager 4320 UC is a dual-ear headset. This design distributes weight across both sides of your head, which can improve comfort during long work sessions. It provides stereo sound for richer audio. The PLT Poly CS540 is a single-ear mono headset. This style leaves one ear open, allowing you to remain aware of your surroundings while on a call. It is lighter on one side. The choice depends on whether you prefer full immersion or situational awareness.
audio protection
Edge: Poly CS540 Mono DECT Headset
The PLT Poly CS540 includes SoundGuard acoustic limiting technology. This feature actively protects against Acoustic Shock by limiting sounds to below 118 dBA. It ensures listening comfort and prevents damage from sudden audio spikes. The PLT Poly Voyager 4320 UC data does not list this specific acoustic protection feature. While the Voyager 4320 offers rich stereo sound, the CS540 provides a specific safety mechanism for volume control that is not mentioned in the Voyager 4320 specifications.
battery and talk time
Edge: Poly Voyager 4320 UC Wireless Headset
The PLT Poly Voyager 4320 UC provides up to 24 hours of talk time. This duration supports all-day use for work calls. The PLT Poly CS540 features an adaptive power system. This system optimizes range and talk time by automatically downshifting to low power when the headset is close to the base. The CS540 also lets you choose between narrowband and wideband audio modes. Selecting narrowband can extend talk time further, while wideband enables clearer conversations. Specific hour counts are not listed for the CS540.
compatibility
Edge: Poly Voyager 4320 UC Wireless Headset
The PLT Poly Voyager 4320 UC is Microsoft Teams-certified. It features an on-call indicator light and a dedicated Microsoft Teams button. This makes it optimized for use with Microsoft Teams platforms. It also works with general PC and mobile devices. The PLT Poly CS540 data does not mention specific platform certifications like Teams. It is designed for work calls and smartphones, with DECT technology for secure connections. The Voyager 4320 has a clear advantage for users heavily invested in the Microsoft Teams ecosystem.
Which PLT Poly Headset Fits You
Teams users needing multi-device Bluetooth
Our pick: Poly Voyager 4320 UC Wireless Headset
The Poly Voyager 4320 UC supports Bluetooth 5.2 and connects to two devices simultaneously. It includes a dedicated Microsoft Teams button and an on-call indicator light. You get up to 24 hours of talk time and a range of 164 feet. The dual-ear design and noise-canceling mic suit busy office environments.
Desk phone users requiring DECT range
Our pick: Poly CS540 Mono DECT Headset
The Poly CS540 uses DECT technology for secure connections and eliminates Wi-Fi interference. It offers extended range and talk time via an adaptive power system. You can choose between narrowband for longer battery life or wideband for clearer audio. The mono design and acoustic shock protection suit desk-bound work.
Users prioritizing audio safety and clarity
Our pick: Poly CS540 Mono DECT Headset
The CS540 features SoundGuard technology that limits sounds below 118dBA to prevent acoustic shock. You benefit from professional-grade audio quality with noise-canceling microphones. The DECT connection ensures secure calls without background noise. This model protects your hearing while maintaining clear communication during long work shifts.
Poly Voyager 4320 UC Wireless Headset
Best for: Microsoft Teams certified Bluetooth work calls
- Connectivity
- Bluetooth 5.2, USB-C, USB-A
- Form Factor
- Dual-ear, stereo
- Battery Life
- Up to 24 hours
- Connection
- Wireless
- Features
- Bluetooth, Active Noise Cancelling, Microphone, USB-C, Noise-Cancelling Mic, Charging Stand, Noise-Canceling Mic
- Use
- Work Calls, Microsoft Teams
The PLT Poly Voyager 4320 UC is a wireless Bluetooth 5.2 headset designed for work calls and Microsoft Teams. It features a noise-canceling dual microphone and an included charging stand. The device offers up to 24 hours of talk time and connects via USB-C or USB-A. It weighs 5.71 ounces and includes a travel pouch. This model suits users needing a versatile headset for office or home use.
- Bluetooth 5.2 wireless connectivity
- Noise-canceling dual microphone
- 24 hours of talk time
- Includes charging stand and travel pouch
- Microsoft Teams certified
- Heavier build at 5.71 ounces
- Shorter talk time than DECT alternatives
- Limited to Bluetooth range of 164 feet
- You need a Bluetooth headset for Microsoft Teams
- You want a charging stand included
- You work in noisy environments
- You require DECT wireless technology
- You prefer a lighter headset under 5 ounces
- You need longer range than 164 feet
Verdict: The PLT Poly Voyager 4320 UC Bluetooth Headset fits professionals who need a certified Teams headset with a charging stand. It is a solid choice for office use where Bluetooth connectivity is sufficient.
Poly CS540 Mono DECT Headset
Best for: desk phone users needing DECT reliability
- Connectivity
- Wireless DECT, Desk Phone
- Form Factor
- Single-ear, convertible
- Features
- Active Noise Cancelling, Microphone, Noise-Cancelling Mic, Noise-Canceling Mic
- Use
- Work Calls, Smartphones
- Color
- Black
- Ear Style
- Mono
The PLT Poly CS540 is a single-ear wireless DECT headset designed for desk phone use. It features SoundGuard technology to limit sound spikes below 118 dBA and offers narrow or wideband audio options. The adaptive power system optimizes talk time based on distance from the base. This mono headset weighs 1.08 pounds and connects via DECT to avoid Wi-Fi interference, making it suitable for professional call environments.
- DECT technology eliminates Wi-Fi interference
- SoundGuard limits audio spikes below 118 dBA
- Adaptive power system extends talk time
- Choice of narrow or wideband audio quality
- Mono ear style limits stereo audio
- 1.08 pound weight is heavier than typical Bluetooth headsets
- You need reliable DECT connectivity for desk phones
- You want protection against acoustic shock
- You prefer a single-ear monitoring style
- You require Bluetooth connectivity for smartphones
- You need stereo sound for media consumption
- You prioritize lightweight comfort over DECT range
Verdict: PLT Poly CS540 Wireless DECT Mono Headset suits users who prioritize secure, interference-free DECT connections and acoustic protection over Bluetooth versatility or stereo audio.
Specifications side by side
| Spec | Poly Voyager 4320 UC Wireless Headset | Poly CS540 Mono DECT Headset |
|---|---|---|
| Connectivity | Bluetooth 5.2, USB-C, USB-A | Wireless DECT, Desk Phone |
| Form Factor | Dual-ear, stereo | Single-ear, convertible |
| Battery Life | Up to 24 hours | – |
| Connection | Wireless | Wireless |
| Features | Bluetooth, Active Noise Cancelling, Microphone, USB-C, Noise-Cancelling Mic, Charging Stand, Noise-Canceling Mic | Active Noise Cancelling, Microphone, Noise-Cancelling Mic, Noise-Canceling Mic |
| Use | Work Calls, Microsoft Teams | Work Calls, Smartphones |
| Color | Black | Black |
| Ear Style | – | Mono |
| Dimensions | 3.94 × 0.79 × 1.06 inches | 6.5 × 1.25 × 6.48 inches |
| Weight | 5.71 ounces | 1.08 pounds |
| Size | 2024 Version (USB-C & USB-A) | CS540 (Headset Only) |
| Model | 2-222719-333 | 2-84693-333 |
Frequently asked questions
Does the Poly Voyager 4320 UC support stereo audio?
Yes, the Poly Voyager 4320 UC supports stereo audio. It uses Bluetooth 5.2 for wireless connectivity, allowing you to connect to PCs or mobile devices. This makes it suitable for general work calls and media listening where stereo sound is preferred over mono communication.
Is the Poly CS540 a mono or stereo headset?
The Poly CS540 is a mono headset. It is designed for users who prioritize secure, interference-free DECT connections. This model suits desk phone users who need reliable communication without the versatility of Bluetooth or the need for stereo audio playback.
Which PLT Poly headset includes a charging stand?
The PLT Poly Voyager 4320 UC includes a charging stand. This feature supports office use where the headset can be docked when not in use. The Poly CS540 does not list a charging stand in its specifications, focusing instead on the headset itself.
How much does the Poly Voyager 4320 UC weigh?
The Poly Voyager 4320 UC weighs 5.71 ounces. This lightweight design helps ensure comfort during long work calls. In comparison, the Poly CS540 weighs 1.08 pounds, which is significantly heavier due to its mono earpiece and DECT hardware construction.
Does the Poly CS540 connect via Bluetooth?
No, the Poly CS540 does not use Bluetooth. It relies on DECT technology for wireless connectivity. This provides a secure connection with minimal interference, making it ideal for users who prioritize reliability and acoustic protection over multi-device Bluetooth versatility.
Can the Poly Voyager 4320 UC connect to two devices?
Yes, the Poly Voyager 4320 UC connects to two devices simultaneously. It supports Bluetooth 5.2, allowing you to switch between a PC and a mobile device. This multi-device capability is useful for professionals who need to manage calls from different sources.
What is the model number for the Poly Voyager 4320 UC?
The model number for the Poly Voyager 4320 UC is 2-222719-333. This identifier corresponds to the 2024 version with USB-C and USB-A support. It helps distinguish this specific wireless headset from other PLT Poly models in your office setup.