The Jabra LINK 860 Amplifier is an audio processor that improves call quality and allows users to manage both traditional deskphone and PC/softphone calls with a single Jabra headset. It features Digital Signal Processing (DSP) technology for crystal clear sound, background noise reduction, and acoustic shock protection (PeakStop™ technology) to ensure calls are resolved quickly and comfortably. The device offers easy-to-use buttons for volume control and muting, a supervisor port for training, and supports call recording and audio streaming from a PC.