Auralex Studiofoam Pyramid-24 (Charcoal Grey, 12-Pack) Thermometers & Hygrometers Removable black cover allows the

Removable black cover allows the light source to "shoot-through"

Springs: Special copper alloy

5Hz output

you can capture bright and crisp images and 30 fps videos

LED indicator light

Auralex Studiofoam Pyramid-24 (Charcoal Grey, 12-Pack) Thermometers & Hygrometers Removable black cover allows the48 x 24 x 2" Eliminate Standing Waves Flutter Echoes Reduces Unwanted Reflections The 12 pack of Studiofoam Pyramid 24 from Auralex contains 2" thick, 2 x 4' acoustic foam panels that can treat small to medium sized areas including iso booths, studios, rehearsal rooms (any instrument except drums), and home theaters. The tiles effectively kill standing waves and flutter echoes, and when used in conjunction with LENRD or Venus Bass Traps, or Sunburst