Bass traps are corner-mounted absorbers, set at a 45 degree angle across the corners where low-frequency energy builds up, to tighten boomy, uneven bass in a room.
About Bass Traps
Bass traps are acoustic treatment designed for the corners of a room, where low-frequency energy builds up most. Placed at a 45 degree angle across a corner, they absorb the reflections that cause boomy, uneven bass, something flat wall panels cannot fully control. Even treating just the vertical corners of a room makes a clear difference to how accurate the low end sounds.
SWAMP corner bass traps are cut from dense acoustic foam and sold in 2-pack and 4-pack trap pieces that stack vertically, so you can build a full floor-to-ceiling column in each corner. Pair them with acoustic foam panels for mid and high frequency control, or step up to fibreglass acoustic panels for broadband absorption. Browse the full acoustic treatment range to treat the rest of the room.
Bass Trap FAQs
Where should bass traps be placed?
Start with the vertical wall-to-wall corners, especially the two corners behind your speakers, as these collect the most low-frequency build-up. If budget allows, treat the remaining vertical corners and then the wall-to-ceiling corners.
How many bass traps do I need?
Begin with the front two corners of the room and stack trap pieces to cover as much of each corner's height as you can. More corner coverage means smoother, more even bass, so most rooms benefit from adding traps over time.
Do foam bass traps actually work?
Yes, corner-mounted foam traps absorb upper-bass energy and noticeably reduce boominess in small rooms. The very deepest frequencies need thicker broadband treatment, but foam corner traps are an affordable and effective first step.
