The Leviton 40833-BER is from the line of data & A/V connectors. The Leviton binding post QuickPort connector comes in black color. The Leviton connectors provide audio connectivity for speaker wire. The connector snaps into any QuickPort housing: flush- and surface-mount outlets, multimedia outlet system (with adapter), Decora Inserts, patch panels and blocks. The Leviton connectors are presented in ivory, white, light almond, black, and brown colors and can match the housings. The connectors are UL listed.