Poly MDA220 USB-A Audio Switch – 8A7E0AA

Product Overview

The Poly MDA220 USB-A Audio Switch (8A7E0AA) simplifies the transition to Unified Communications by enabling users to manage calls from desk phones, softphones, and mobile phones with a single headset. Smart, visually enhanced controls with LED indicators make it easy to answer, end, and switch between calls on different devices.

Compatible with Poly corded, wireless, and Bluetooth USB headsets including the Blackwire, Savi, and Voyager series, the MDA220 connects to PCs, Macs, and desk phones via USB-A. Wideband and stereo audio support delivers natural voice clarity, while the adaptable design ensures future compatibility with next-generation headsets and softphones.

Who Should Use This Product?

UC Migration Teams

Organizations transitioning to Unified Communications who need to maintain desk phone connectivity while adding softphone capabilities.

Multi-Device Professionals

Users who need to manage audio from desk phones, PCs, and mobile devices with a single headset without swapping cables.

Why Choose This Product

The Poly MDA220 eliminates the need for multiple headsets by enabling seamless switching between desk phones, softphones, and mobile devices. Users can answer incoming calls from any source with a single button press, and the LED indicators provide instant visual feedback on call and connection status. The future-ready design minimizes firmware updates when onboarding new headsets, reducing IT overhead and downtime.

Will This Work for Me?

Works With

  • Windows, macOS
  • Poly Blackwire, Voyager, Savi, EncorePro USB headsets
  • BT600 Bluetooth adapter (BT700 not compatible)
  • DA70, DA80, DA90 USB adapters

Requirements

  • USB-A port on PC or Mac
  • Desk phone with handset port or headset jack
  • EHS cable or HL10 lifter for remote answer/end (sold separately)
  • AC power adapter if using HL10 handset lifter (sold separately)

Software

  • Poly Lens or Plantronics Hub (optional, for device settings and firmware updates)

Note

Remote call control for desk phone requires EHS cable or HL10 lifter accessory. BT700 adapter is not compatible—use BT600 for Bluetooth headsets.

What's in the Box

  • MDA220 Audio Switcher
  • Telephone interface cable

Technical Specifications

MDA Series Models (4)

View Poly MDA100 QD Audio Switch | 10ft Cable – 8A7E1AA
Poly MDA100 QD Analog to USB Desk Phone Switch with Mute (10 ft Cable) - 8A7E1AA
Poly logo

MDA100 QD

SKU: 8A7E1AA
Condition: New
Stock: 113
$58.32
$102.95
Save $44.63
(43% off)
View Poly MDA524 QD USB-C Audio Switch – 85Q24AA
MDA524 QD, USB-C, MDA QD Switch, For Use with All Major Desk Phones, UC Softphone Applications, includes Mute, Answer/End, +/- Volume, Asset Tracking with Plantronics Manager Pro
Poly logo

MDA524 QD

SKU: 85Q24AA
Condition: New
Stock: 21
$96.28
$169.95
Save $73.67
(43% off)
View Poly MDA105 QD Audio Switch – 8A7E2AA
Poly MDA105 QD Analog Desk Phone to Softphone Switch with Mute - 8A7E2AA
Poly logo

MDA105 QD

SKU: 8A7E2AA
Condition: New
Stock: 92
$67.38
$118.95
Save $51.57
(43% off)
View Poly MDA524 QD USB-A Audio Switch – 8L544AA
Poly MDA524 USB-A QD Desk Phone and UC Softphone Switch with Call Controls - 8L544AA
Poly logo

MDA524 QD

SKU: 8L544AA
Condition: New
Out of Stock
$96.28
$169.95
Save $73.67
(43% off)