TERRA-AMP comes with 15W x 2CH, 8 ohm ampli ed outputs, 1 balanced mic/line input, 2 balanced line outputs and 1 stereo line output (3.5 mm mini-jack) for audio monitoring or listen to Internet radio via headphone. A USB ash interface is provided for playback and backup of pre-recorded playlists and announcements. 3 control inputs can work with RAC 5/RAC 8 source selector and volume controller and event triggering such as call/hang up, music play/stop, 3rd party command etc.. And the 2 relay contact outputs can be programmed to control an external device. TERRA-AMP is also an ideal IP solution for any applications that require a simple device to paging, full duplex intercom and play streaming audio over network. Volume and channel selection can be controlled using the ush-mount RAC 5/RAC 8 remote controller. The TERRA-AMP is easily congured via web interface providing full control over features such as priority and event management, scheduler & output levels.