The pair of UA-BTBG Acoustic Bass Traps from Ultimate Acoustics is designed to reduce the low frequency acoustic resonance that tends to to build up in the corners of your mix, songwriting, or rehearsal space. This professional bass trap reduces the effects of standing waves in the room, controlling and absorbing the low end rumble that gets in the way of you hearing your music accurately. The traps include adhesive squares for applying them to the corners of your room.