The Soundweb Contrio EC-4B is an Ethernet wall controller for use in Harman HiQnet systems. The EC-4B can control and monitor parameters within BSS Audio Soundweb London and other HiQnet devices, including Crown DCi series amplifiers. The EC-4B is available in black or white, and in single-gang US Decora or single-gang EU form factor. The EC-4B contains a single Ethernet port for configuration, control, monitoring, and power via PoE. The EC-4B is configured via simple drag-and-drop operations within the software application HiQnet Audio Architect.<br>The EC-4B contains four buttons and one LCD screen. The buttons and LCD screen are multi-color backlit, capable of eight different colors with adjustable intensity.<br>The four buttons can be pressed for binary parameter control (e.g. mute), preset recall, or source selection.<br>The LCD screen has a screen resolution of 64x128 pixels, and can display custom text.<br>The EC-4B supports ‘sleep’ functionality. After a specified amount of time with no user input, the EC-4B can turn off all LEDs. This is useful to avoid distraction in a dimly lit environment. Any user interaction will ‘wake up’ the controller.<br>The EC-4B can be remotely locked and unlocked via other control systems. The EC-4B can be locally unlocked via a four-digit PIN entry on the buttons.