The white EC-4BV Ethernet Controller from BSS Audio is a wall controller that is compatible with BSS Audio Soundweb London, Crown DCi, and other HiQnet devices. It features a single-gang US Decora form factor and contains an Ethernet port for configuration, control, monitoring, and power via PoE. This controller is configured via drag-and-drop operations within the software application HiQnet Audio Architect. It features a push/rotary encoder, an encoder ring, four control buttons, and a 64x128 pixel LCD screen. The control buttons, encoder ring, and LCD screen are multicolor backlit, capable of eight different colors with adjustable intensity.