The BT7877 is a mounting plate suitable for mounting Bose Videobar VB1, Neat.Bar, Neat.Bar Pro, Yealink MSpeaker II or Logitech Rally Plus Speakers to a range of B-Tech products. Using an accessory mounting arm, the plate can be positioned above or below a screen mounted on a B-Tech flat screen wall mount or to a System X Rail. The BT7877 is also compatible with B-Tech accessory collars for pole mounting, or alternatively can be fitted directly to a B-Tech column.