Plantronics MDA220 USB Switch – Seamless Two-PC Headset Control
The Plantronics MDA220 is a compact USB switching hub that connects a single headset to two separate computers. If you work across multiple PCs—one for softphone calls, another for business apps—the MDA220 eliminates the hassle of unplugging and reconnecting your headset every time you switch tasks.
Our switch features dedicated answer/end and volume controls, so you can manage calls without touching either keyboard. A bright LED panel shows which PC is active and whether you’re on a call. The MDA220 works with any Plantronics USB headset and most third-party models that follow the USB audio standard. It’s built for corporate environments where desk space is tight and efficiency matters.
Quick specs for the MDA220
How the USB Switch Works
The MDA220 sits on your desk between two computers and a single headset. Each PC connects to the switch via a standard USB-A cable (one included, one supplied by you). Your headset plugs into the front-facing USB port. A push-button on the top face toggles between PC 1 and PC 2; the active connection is marked by a green LED.
When a call arrives on either PC, the corresponding LED blinks. Press the answer button to pick up without reaching for your mouse. Volume controls adjust the headset level independently of your computer’s system volume, so you can fine-tune audio on the fly. The switch draws power from whichever PC is active, so no external adapter is needed.
Compatibility and Setup
We designed the MDA220 to work with any headset that uses the USB Audio Class specification—this includes every Plantronics EncorePro, Voyager, and Blackwire model, plus most third-party USB headsets. Windows (7, 8, 10, 11) and macOS (10.10+) recognize the switch as a standard audio device; drivers install automatically.
Setup takes under a minute: connect both PCs, plug in your headset, and toggle the switch to test. If you use unified communications software (Microsoft Teams, Zoom, Cisco Jabber), set the MDA220 as your default audio device in the app’s preferences. The switch passes call-control signals to the software, so answer/end buttons function exactly as they would if the headset were plugged directly into the PC.
Physical Controls and Indicators
Three buttons occupy the top panel: answer/end, volume up, and volume down. The answer button doubles as a call-reject key when held for two seconds. Four LEDs sit beside the buttons: PC 1 active, PC 2 active, call in progress, and mute (the mute light activates when you press the headset’s mute button, not a switch control).
The housing is rigid ABS plastic with a matte finish that resists fingerprints. Rubber feet on the base keep the unit stable when you press buttons. The front USB port is recessed slightly to protect the connector; the rear ports are spaced 0.5 inches apart, wide enough to accommodate bulky USB plugs without overlap.
Other USB Audio Accessories That Pair with the MDA220
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Common Questions About the MDA220 USB Switch
Yes. The MDA220 supports any headset that complies with the USB Audio Class standard. This includes most brands’ USB headsets—Jabra, Sennheiser, Logitech, and others. If your headset works as a plug-and-play USB audio device on a PC, it will work with the switch.
The only exception is headsets that require proprietary software for call control. In those cases, answer and end buttons on the switch may not trigger the softphone app, though audio routing will still function.
No. The switch uses the built-in USB audio drivers in Windows and macOS. When you connect the MDA220, your operating system recognizes it as a standard audio device within a few seconds. There is no Plantronics Hub integration and no firmware to update.
If your UC application (Teams, Zoom, Webex) doesn’t automatically select the MDA220, open the app’s audio settings and choose it as the default microphone and speaker.
Technically yes, but we don’t recommend it. Pressing the toggle button while a call is in progress will disconnect the active PC and transfer audio to the other PC. The call on the first PC will drop unless your softphone app supports hold-and-resume.
The intended workflow is to end the call on PC 1, toggle to PC 2, then initiate or answer the next call. The LEDs help you track which PC is live before you switch.
The included cable is six feet long, which covers most desk layouts where both PCs sit under or beside the monitor. If your second PC is farther away—say, in a tower cabinet across the room—you’ll need a USB extension cable or a longer USB-A to USB-A cable. Standard USB 2.0 cables work fine; the switch doesn’t require USB 3.0 bandwidth.
Make sure any extension cable is rated for data, not just power. Charge-only cables won’t pass the audio signal.
No. The switch is designed exclusively for USB headsets. If you have a wireless headset with a USB dongle (like the Voyager 4200 series), the dongle plugs into the MDA220’s front port, and the wireless headset pairs with the dongle as usual. The switch then routes audio from whichever PC is active.
Analog headsets with 3.5 mm jacks require a USB sound card adapter first. You could connect an adapter like the Plantronics DA80 to the MDA220, but at that point you’re stacking two devices—consider upgrading to a native USB headset for simpler wiring.
The LED panel on the MDA220 shows a solid green light for PC 1 or PC 2, depending on which is selected. If you’re across the room, the LED is bright enough to see in typical office lighting. When a call comes in, the corresponding PC LED blinks rapidly, and the call-in-progress LED lights up once you answer.
If you use the headset’s mute button, a fourth LED on the switch illuminates to confirm mute status. This visual feedback works even if you’re standing a few feet away during a call.
No. The MDA220 is a two-port switch; it doesn’t support cascading. If you need to manage three or more PCs with one headset, you’ll need a different solution—either a manual USB switcher with more ports or separate headsets for each machine.
For most users, two PCs is the sweet spot. If you’re juggling more than two, consider whether you actually need simultaneous audio from all of them or if you can dedicate one headset to your primary calling PC and use speakers or a secondary headset for the others.