The Auralex DS-2 Kit addresses the acoustic and aesthetic needs of both the small project studio and professional mix environments. It will improve acoustics and give your studio a designer look. It is an excellent standalone treatment, or a convenient add-on for existing M32 installations as it matches the M32 design. Contains 24 DST 114s, which are 1" x 1" panels, and 8 - 1" DST LENRD charcoal bass traps. LENRD (Low-End Node Reduction Device) excels at smoothing out the low frequency in your room. Tubetak Pro Adhesive and instructions are included.DS-2 is a great value per dollar spent Improves acoustics Imparts a designer look Matches the popular M32 kit Includes 24 DST 114s, 8 - 1" DST LENRD bass traps, adhesive, and instructions