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The USB-C to USB-A Adapter (Formerly Sennheiser) Learn More

This speakerphone fills small to medium conference rooms with remarkable sound using powerful twin speakers. Be heard with six microphones focusing on voices, not the noise, even from the far end of a room. Connect any device, with USB-A, USB-C and Bluetooth connectivity options—simply plug in and start talking. Need bigger sound for larger rooms? Easily pair two units together for wider voice pick up Learn More

The Poly DA80 is a high-performance USB audio processor for analog headsets that allows you to easily switch between your desk phone and soft phone without having to change headsets. Equipped with Inline Control - this enables users to answer, end, mute and control the volume of calls without changing the settings on the computer. Other features include built in DSP technology, superior noise and echo cancellation and the DA80 meets OSHA and Noise At Work regulations. Simply connect your Poly headset the QD connection point and you're ready to go! Product No: 201852-02 Learn More

QD to QD cable with volume control and mute switch which allows easy adjustment of the speaker volume or muting of the microphone during a call. Suitable for use with headsets equipped with PX type QD (Plantronics/Poly Quick disconnect). Learn More

Allows connection of a Plantronics QD headset to a PC via USB. Learn More

Jabra Link 260 extends the capability of your Jabra corded QD (Quick Disconnect) headset, provides call control and enhances the audio. The USB adapter, enables you to use your Jabra desk phone headset together with your softphone. Learn More

Allows connection of a Jabra QD headset to a PC via USB with the addition of an integrated call control unit. Learn More

Allows connection of a Poly QD headset to a PC via USB with the addition of an integrated call control unit. Learn More

To take advantage of the full wideband audio that is offered with the Avaya 9600 phones, use the HIS Adapter Cable with your wideband headset. Quick Disconnect (QD) capability allows the headset to detach without losing the call. Compatible with Poly SupraPlus and Encore Ranges. Please also check compatibility tab. Product No: 72442-41 Learn More