Gefen ex-tend-it Digital Audio Extender Sender and Receiver Unit, No Adapter!This Gefen ex-tend-it Digital Audio Extender Sender and Receiver Unit is the perfect solution for extending the range of your audio receivers. The unit is designed to be used with the brand Gefen and is a reliable and efficient way to transmit audio signals over long distances. The extender is easy to set up and use, making it ideal for use in a variety of settings. Whether you are looking to extend the range of your audio receivers at home or in the office, this unit will help you to achieve your goals. Note that this listing includes only the sender and receiver unit, and does not include an adapter.