EXCALIBUR HC-1

The HC-1 gives you the simplest, quickest, most convenient way to connect audio to a telephone. The HC-1 connects in series with the handset of any telephone using modular connectors. External audio is connected via 1/4" connectors on back. The unit is passive, so no power is required. Simply press the front panel on-off button and external audio in and out is connected to your telephone.