Low-frequency sound control.
Auralex Studio Foam LENRD Bass Traps get their name from a resonance bump in a room's frequency response called a room node—LENRD stands for Low-End Node Reduction Device. Bass traps substantial enough to control nodes have always cost-prohibitive or intricate and time-consuming to build, but the LENRD Bass Traps are extremely effective at smoothing out low frequency room nodes at a price that won't break the bank.
For installation, LENRD bass traps require Auralex Foamtak spray adhesive (sold separately, - see #422605), which allows you to remove the foam later. For more permanent installation use Tubetak (sold separately - see #422606) or Tubetak Pro liquid adhesive applicators (sold separately - see #472436).
1 Foamtak covers up to 96 square feet.
1 Tubetak/Tubetak Pro covers up to 24 square feet.