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EncorePro 300 Series

Customer Service Headsets


Give your contact center teams all they need, with Poly EncorePro 300 Series headsets. Get high-quality audio, all-day comfort and proven durability.

EncorePro 300 Contact Center

Who says you need to compromise?

Turns out you can have it all in a contact center headset—for your employees, customers, and budget. Let’s start with your call teams. The Poly EncorePro 300 Series gives them all-day comfort and reliability. Plus acoustic protection and voice optimization. So they can perform at their best throughout their shifts.

High-quality audio

Flexible noise-canceling microphone boom

All-day comfort

Soft, replaceable ear cushions and lightweight design

Proven durability

Quick Disconnect (QD) tested to over 30,000 cycles

Comfort. Reliability. Value.

Here’s how we found the perfect sweet spot between high quality and affordability. We took our over 40 years of designing enterprise-grade contact center headsets. We analyzed every component to see how we could create even more value. Then we created the Poly EncorePro 300 Series.

More Clarity Where it Counts

More clarity where it counts

Start with high-quality audio and excellent noise canceling. Add in voice-optimized frequency response for more accurate conversations. What does that give you? More satisfied customers enjoying a superior experience on the other end of every call.


Seamless IT Management

EncorePro 300 USB is supported by Plantronics Manager Pro, a Software-as-a-Service that is sold separately. Use Plantronics Manager Pro to manage headset inventory, monitor usage and maintain devices. With actionable insights from Plantronics Manager Pro, IT can improve business processes, employee performance and compliance.


SLR +10 ± 4 dB
Frequency Response 200Hz to 6.8kHz
Microphone 4 mm unidirectional noise cancelling microphone
Dynamic Mute Alert USB versions only
RLR Mono 0dB± 4 dB, Stereo 6dB ± 3dB
Frequency Response (dynamically switches) 200Hz to 6.8kHz telecom mode, 50Hz to 8KHz multimedia mode
Maximum Acoustic Output <118 dBSPL A-weighted
Advanced Audio Protection USB versions only (G616, Daily Noise Exposure)
Driver Diameter 28 mm
Driver Impedance (Ohm) 32 Ohm
Inline controls USB version only (call control, volume up, volume down, mute)
Inline Indicators USB version only (red mute on, green in call)
Inline tones USB verisons only with button presses
Ear cushions material User replaceable foam on fold flat receivers
Applications USB versions only Plantronics Hub for Windows and MacOS