The Poly MDA105 QD (8A7E2AA) is an analog audio switch that enables seamless transition between desk phones and softphones using a single Quick Disconnect (QD) headset. Featuring integrated volume control and mute functionality with visual status indicators, this switch helps customer service representatives manage audio from multiple sources without changing headsets.
Designed for contact center environments, the MDA105 QD includes a 10-foot coil cable for freedom of movement, a non-slip base for desktop stability, and a 6-position configuration switch for long-term desk phone compatibility. Compatible with Poly Encore Pro, Supra Plus, and Entera QD headsets, plus all major softphones via USB-A connection.
Manage audio from both desk phone and softphone with a single QD headset. Switch seamlessly between sources without disconnecting or changing headsets.
- •USB-A connection for PC/softphone
- •RJ9 connection for desk phone
- •6-position configuration switch for desk phone compatibility
Volume Control · Mute Button
Take control of call audio independently from your desk phone or PC. Visual mute indicator provides confidence that you’re muted when needed.
- •Integrated volume control dial
- •Mute button with visual status LED
- •10-foot coil cable for freedom of movement
QD Headset Compatibility
Protect your existing headset investment. Works with Poly’s professional QD headset lineup for contact center deployments.
- •Compatible with EncorePro 500/700 series
- •Compatible with SupraPlus and Entera headsets
- •Quick disconnect for easy headset detachment
Who Should Use This Product?
Contact Center Agents
Ideal for customer service representatives transitioning from desk phones to softphones who need to manage audio from both sources with a single headset
IT Administrators
Enables UC migration without replacing existing QD headset inventory, manageable via Plantronics Manager Pro for asset tracking and firmware updates
Why Choose This Product
For IT teams, the MDA105 QD integrates with Plantronics Manager Pro for centralized inventory management and remote firmware deployment. The 6-position configuration switch ensures long-term compatibility with evolving desk phone infrastructure, extending the useful life of your audio equipment.
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