The Auralex Deep 6 is a Low Frequency Absorber, designed specifically to be wall mounted and offer excellent coverage being 2 x 4 feet panels. You can also use the Deep 6 as bass traps, by installing over a vertical corner. The Auralex Deep 6 Low Frequency Absorber is available in either Sandstone or obsidian. They are 6 inches thick, offering excellent low frequency absorption. Included with the Deep 6 panel are mounting brackets for basic wall installation. Corner mounting brackets sold separately.