Poly – DA85 UC USB-to-Headset QD Audio Processor (4 pin) (inline controls) (USB-A and USB-C)

Product Overview

Key Features

• Built-in USB-A and USB-C connectors on the same cable—no need to swap adapters for different computer ports
• 4-pin QD (Quick Disconnect) connection compatible with all Poly QD-equipped headsets
• Full backwards compatibility with both new and legacy Poly headsets and accessories

• Intelligent headset recognition automatically detects the specific Poly headset model and dynamically tunes audio performance for optimal sound quality
• Digital audio processing delivers superior call clarity compared to analog connections
• Wideband audio support with frequency response of 150 Hz to 6.8 kHz for natural, lifelike voice conversations

• Recessed control buttons designed to prevent accidental activation while remaining clearly visible and easy to use
• Call answer/end button for softphone call management
• Volume up/down controls for quick audio adjustment
• Mute/hold button with unique single-button functionality for muting both audio and video transmissions instantly
• LED indicators display call status: on call (green/red/amber), muted call (red)

• SoundGuard Digital technology protects users from acoustic shock and daily noise exposure
• Anti-startle protection guards against sudden loud noises
• OSHA/Noise at Work regulation compliance for safe listening levels

• Durable construction rated for 50,000+ disconnect cycles
• Improved cable durability designed for portability and frequent use
• Lightweight design at just 30g (0.06 lb) for comfortable use

• Remote firmware updates available via Poly Lens and cloud systems
• Future-proof design with updatable software for evolving communication needs

Available Variants

• DA85 (786C7AA / 218267-01): Standard UC version with inline controls
• DA85-M (786C8AA): Microsoft Teams certified version with dedicated Teams button for instant access to Teams functions

Technical Specifications

• Connectivity: USB-A (male), USB-C (male), 4-pin QD (female)
• Cable length: 51.2 inches (130 cm / 4.3 ft)
• Weight: 30g (0.06 lb / 0.13 oz)
• Frequency response: 150 Hz – 6.8 kHz
• Security: Wireless data encryption

What’s in the Box

• Poly DA85 USB-to-QD Audio Processor
• Quick Start Guide

Ideal Applications

• Call centers and contact centers transitioning to softphones
• Hybrid workers requiring flexible home/office connectivity
• Organizations preserving investments in legacy Poly QD headsets
• Professionals needing digital audio quality with analog headset compatibility
• Microsoft Teams users requiring certified integration (DA85-M variant)