Poly EncorePro EP310 Mono Headset | QD – 77T43AA

Product Overview

The Poly EncorePro 310 (77T43AA) is a monaural wired headset designed for contact center and office environments where all-day comfort and reliable audio quality are essential. Featuring a flexible noise-canceling microphone boom, this headset delivers clear voice transmission while reducing background noise from busy office environments. The voice-optimized frequency response dynamically switches between telecom mode (200Hz–6.8kHz) and multimedia mode (50Hz–8kHz) to ensure optimal audio clarity for every conversation.

Built for durability and flexibility, the EncorePro 310 features Quick Disconnect (QD) connectivity tested for over 30,000 cycles, allowing users to step away from their workstation without removing the headset. The lightweight design with soft foam ear cushions provides comfort during extended call sessions, while the single-ear configuration keeps users aware of their surroundings. SoundGuard acoustic limiting technology protects against acoustic shock by limiting sounds below 118dBA.

The QD connector provides universal compatibility with Poly digital adapters, desk phones, and audio processors. Connect to desk phones using compatible QD-to-RJ9 cables, or add a USB adapter for PC softphone integration. This flexibility makes the EncorePro 310 ideal for organizations transitioning between traditional telephony and cloud-based communications.

Who Should Use This Product?

Contact Center Agents

Built for all-day comfort during extended call sessions with noise-canceling microphone and acoustic protection for high-volume call environments.

Customer Service Representatives

Voice-optimized frequency response ensures clear conversations and better customer outcomes, while QD connectivity enables flexible movement.

Office Professionals with Desk Phones

QD connectivity works with desk phones via compatible cables, ideal for organizations using traditional telephony or hybrid phone systems.

Why Choose This Product

The Poly EncorePro 310 delivers the audio quality and comfort contact center teams need to perform at their best throughout demanding shifts. The noise-canceling microphone ensures customers hear clearly without background distractions, while voice-optimized frequency response makes conversations more accurate and productive. SoundGuard acoustic protection safeguards hearing across the organization.

For IT teams, the EncorePro 310's QD connectivity provides deployment flexibility—connect to desk phones with QD cables or add USB adapters for PC softphone integration. The durable construction and 30,000+ cycle QD connector reduce replacement costs, while the lightweight design and replaceable ear cushions minimize user complaints. Compatible with Avaya, Cisco, Genesys, and other major call center platforms.

Will This Work for Me?

Works With

  • Desk phones with RJ-9 headset port (via QD cable)
  • PC/Mac via USB adapter (sold separately)
  • Avaya, Cisco, Genesys, and other call center platforms

Requirements

  • QD-to-RJ9 cable for desk phone connection (sold separately)
  • USB adapter (DA70, DA80, DA85) for PC connection (sold separately)

Software

  • Plantronics Hub (optional, for USB adapter configurations)

Note

QD model requires separate cable or adapter. For plug-and-play USB, see EncorePro 310 USB-A (214568-01) or USB-C (214569-01).

What's in the Box

  • Headset
  • User guide

Technical Specifications

Primary Attributes

Active Noise Cancellation (ANC): No
Connectivity: Quick Disconnect (QD)
Corded / Wireless: Corded
Headset Speakers: Mono (One Ear)
Warranty: 24 months
Wearing Style: Over the Head, On the Ear
Wideband Audio: Yes

EncorePro QD Models (9)

View Poly EncorePro HW530 Mono Headset | QD | Over-the-Ear – 783P2AA#ABA
HW530, EncorePro Over Ear NC H-Top Headset,
Poly logo

EncorePro HW530

SKU: 783P2AA#ABA
Condition: New
Stock: 146
Quick Disconnect (QD) Quick Disconnect (QD)
$79.89
$141.05
Save $61.16
(43% off)
View Poly EncorePro HW520V Stereo Headset | QD | Voice Tube – 783P8AA#ABA
HW520V, EncorePro Binaural Voice Tube H-Top Headset,
Poly logo

EncorePro HW520V - QD

SKU: 783P8AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$83.24
$146.95
Save $63.71
(43% off)
View Poly EncorePro HW540 Convertible Headset | QD – 783P0AA#ABA
HW540, EncorePro Convertible NC H-Top Headset,
Poly logo

EncorePro HW540

SKU: 783P0AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$87.20
$153.95
Save $66.75
(43% off)
View Poly EncorePro HW520 Stereo Headset | QD – 783P6AA#ABA
HW520, EncorePro Binaural NC H-Top Headset,
Poly logo

EncorePro HW520

SKU: 783P6AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$91.17
$160.95
Save $69.78
(43% off)
View Poly EncorePro HW710 Mono Headset | QD – 805H7AA#ABA
HW710, EncorePro Monaural NC H-Top Headset,
Poly logo

HW710

SKU: 805H7AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$102.50
$180.95
Save $78.45
(43% off)
View Poly EncorePro HW720 Stereo Headset | QD – 805H6AA#ABA
HW720, EncorePro Binaural NC H-Top Headset,
Poly logo

EncorePro HW720

SKU: 805H6AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$120.06
$211.95
Save $91.89
(43% off)
View Poly EncorePro EP320 Stereo Headset | QD – 77T26AA
EP320 QD, EncorePro, Binaural,
Poly logo

EP320

SKU: 77T26AA
Condition: New
Stock: 32
Quick Disconnect (QD) Quick Disconnect (QD)
$52.10
$87.95
Save $35.85
(41% off)
View Poly EncorePro HW510 Mono Headset | QD – 783Q1AA#ABA
HW510, EncorePro Monaural NC H-Top Headset,
Poly logo

EncorePro HW510

SKU: 783Q1AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$77.02
$135.95
Save $58.93
(43% off)
View Poly EncorePro HW510V Mono Headset | QD | Voice Tube – 783Q3AA#ABA
HW510V, EncorePro Monaural Voice Tube H-Top Headset,
Poly logo

HW510V

SKU: 783Q3AA#ABA
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$64.55
$113.95
Save $49.40
(43% off)