Each 2x1x1 panel of SoundAxe™ Linear Bass Trap Diffuser covers an area of 4 sqft :

BEST FOR SOUND ABSORPTION AND DIFFUSION: SoundAxe™ Linear Bass Trap Diffusers are efficient at controlling the mightiest low-frequency sound waves at the corners. They diffuse the heavy vibrations and absorb them.
DIMENSIONS: The corner cut angles are 90 degrees, with a center thickness of 8.5” and a front cross of 17”.
SPECIFICATIONS: The NRC of this product is 2.57, as tested by ARAI under the compliance of ASTM C-423/ISO 345. Density of the product is 50kg/m3, which is not available with any other brand in the market. Each panel is 2' x 2' x 1'. This product is free of chemicals, toxins and odour.
APPLICATION: SoundAxe™ Linear Bass Trap Diffuser should be applied - from top to bottom in corners of high bass rooms | 2-3 pieces in corners of medium bass rooms | 1 piece in corners of low bass rooms | behind monitors for beginners.
WARRANTY & CERTIFICATION: MMT Acoustix® offers a warranty of 1 year on every product and each one of them is certified by SGS, ARAI, and ISO for their quality and customer satisfaction.

SoundAxe™ Linear Bass Trap Diffuser | 2 x 1 x 1 feet