Easily attach a variety of popular speaker and conferencing sound bars either above or below the display to the Voyager Cart. Use this black Chief Voyager Speaker / Conferencing Bar Accessory to mount a variety of optional speaker/conferencing sound bars either above or below the display on your Voyager cart. The shelf works with monitors in either portrait or landscape orientation, so it is a versatile choice. It supports up to 15 lb. and the shelf is height adjustable. It is TUV certified and UL listed. SCASB