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HP Poly DA75 QD to USB-A/USB-C Audio Processor Cable
SKU 786C6AA • Availability In Stock
Or 4 payments of $12.31 with 
- Ideal for use with either computer or desk phones with USB port
- Full backwards compatibility for any Poly QD headset
- Plug and play - requires no additional software
- Built-in USB-A and USB-C connectors
- Remote firmware and cloud system updates
HP Poly DA75 Digital Audio Processor - QD to USB-A/USB-C Cable
Transform your legacy headsets into powerful digital UC tools.
The HP Poly DA75 (786C6AA) is a premium audio processor designed to connect your existing Poly (Plantronics) Quick Disconnect (QD) headsets to modern PC and Mac systems. Whether you are migrating to Microsoft Teams, Zoom, or Google Meet, the DA75 ensures your voice remains crystal clear while protecting your legacy hardware investment.
Universal Hybrid Connectivity
Future-proof your workstation with the versatile 2-in-1 USB-A and USB-C connector. The DA75 features a single cable with an integrated adapter, making it compatible with both older laptops and the latest generation of USB-C hardware. Simply plug in and start communicating without the need for additional dongles.
Superior Digital Audio Quality
Built with advanced Digital Signal Processing (DSP), the DA75 does more than just connect—it enhances. It provides high-quality acoustic echo cancellation and noise reduction, ensuring that every conversation is free from background interference. Your legacy headset will sound like a modern digital device, providing a professional experience for both you and your caller.
Intelligent Acoustic Protection
The Poly DA75 is equipped with SoundGuard Digital technology. This sophisticated acoustic safety feature monitors audio levels and eliminates sudden sound spikes, protecting your hearing from long-term exposure and ensuring compliance with international noise-at-work regulations.
Key Features:
- Hybrid USB Connector: Integrated USB-A and USB-C connectivity for maximum versatility.
- Quick Disconnect (QD) Support: Compatible with all Poly/Plantronics 4-pin QD headsets (EncorePro series).
- Digital Signal Processing (DSP): Delivers enhanced audio clarity and echo suppression.
- SoundGuard Digital: Advanced acoustic protection against loud startle sounds.
- Smart Cable Recognition: Automatically detects the connected headset for optimized audio performance.
- Built for Teams & Zoom: Fully compatible with all leading Unified Communications platforms.
Technical Specifications:
| SKU / Part Number | 786C6AA (Formerly Poly DA75) |
| Headset Connector | Poly Quick Disconnect (QD) - 4 Pin |
| Host Connector | Hybrid USB-A & USB-C (2-in-1) |
| Audio Performance | Digital Signal Processing (DSP) / 24-bit Audio |
| Cable Length | 1.3 Metres |
| Acoustic Protection | SoundGuard Digital (Acoustic Limiting) |
| Warranty | 2-Year Limited Warranty |
What’s in the Box:
- HP Poly DA75 Audio Processor
- Integrated USB-A to USB-C Adapter
- Quick Start Guide
- Ideal for use with either computer or desk phones with USB port
- Compact size
- Plug and play - requires no additional software
- Saves desk space
- Very easy to install and use
- Full backwards compatibility for any Poly QD headset
- Built-in USB-A and USB-C connectors
- Intelligent headset recognition
- 1 x HP Poly DA75 QD to USB-A/USB-C Audio Processor Cable
- User guide
| SKU | 786C6AA |
| Brand | HP Poly |
- 12 months warranty
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