In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. Auralex's most popular studiofoam seller and best overall performer. 2 inch Studiofoam Wedges treat most small to medium sized areas including vocal booths, sound control rooms and sound studios. These Studiofoam Wedges effectively kill standing waves and flutter echoes and, when used in conjunction with LENRD Bass Traps, Venus Bass Traps or Sunburst Broadband Sound Absorbers, can effectively tame the full frequency bandwidth in virtually any size room. 2 inch Acoustic Studiofoam is simply the workhorse of the sound control industry.