Each WEDGE comes uncompressed and in prime condition! The Wedges in the photo be exactly what you get. Great for spot treating walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices . Perfect for reducing such as Studios, Recording Studios, Vocal Booths, Control Rooms, Offices, Home Studios, Home Entertainment Theaters, Gaming Rooms, and Home Offices.more enjoyable sound by effectively controlling unwanted reverb and . For professional acoustic control - Reduce waves, reverb and flutter echoes in smaller to medium sized rooms. This product comes in that are 1.96 inch in thick Thin foam, over a large area, has less of a chance of distorted and muffling the sounds reverberation. The uniform wedge design help trap airborne noise while alleviating flutter and slap back. This foam is Perfect for spot-treating production studios, practice rooms or home entertainment centers. Also, this foam helps with smaller agitation complications. It is tested to effectively sound waves and flutter. Purchasing your own foam is the to tune your area without hiring a professional acoustician. This Foam not deteriorate or fall apart over time. All that is required is dusting over long periods of time. This product is best for when absolute sound deadening is not required, but moderate deadening is desired. Use: Perfect for use on walls, ceilings, doors, etc. Anywhere to help block sound and prevent echoes inside the room. Colour: Black Material: foam Size: 25 x 25 x 5cm(9.8 x 9.8 x 1.96inch) Package List: 4 x Acoustic Panels Studio Foam Wedges Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.