-Four analog stereo audio output zones with input switching and pre-outs.
-Twenty-five watts per channel in each zone.
-Four analog audio source inputs with independent trim level adjustment.
-Accessory wall plate (RSP-1) allows source equipment to be connected remotely with a Cat-5 cable.
-RSO-1 digital to analog converter (sold separately) provides audio input for digital audio sources.
-Controlled via infrared, or two-way control (with status feedback) via RS-232 and IP using RTI control systems.
-Independent volume and tone control for all audio zones.
-Ethernet support and a web interface allows the AD-4x output zones to be tested during installation via a web browser on a smartphone, tablet or PC.
-Web interface allows for output zones to be configured into groups, allowing them to be controlled as a single zone.
-Controlled via Infrared and RS-232 including two-way feedback when installed with RTI control systems.
-Optional phone and doorbell mute function.
-Zone power indicator LEDs.
-Compact, low-profile design allows shelf or rack installation.