Thank you for purchasing this CTI Adapter Cable from Hello Direct. Once you're connected and using the appropriate software, you can interact with multimedia programs in private, improve voice recognition capabilities and make clear vocal file annotations. With a communications card and the appropriate software, you can turn your Mac or PC into a combination computer and telephone.
Sound cards are capable of outputting high volume.
Not compatible with some models. Plug the adapter into your sound card. Your corded headset plugs into the side of the amplifier. Underneath your amplifier or Cordless base are two banks of switches. Plug the adapter into the sound card in the back of your Mac.