This Sanus Vertical Foundations is a double-column AV component system that mounts directly under wall-mounted TVs for a sleek, streamlined look. Its two columns are vertically adjustable for perfect alignment under a wall-mounted TV, even after hanging. Each column features two integrated channels with over four square inches of space for easy power cable and signal wire routing. Thick tempered-glass shelves support up to 75 lbs each and can be vertically adjusted to accommodate any AV component arrangement.