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ATS Acoustics Corner Bass Trap, Full Frequency Range, 24 x 48 x 13 in (Black)

At 13 in deep this is a real corner trap, not a thick panel, and ATS publishes full absorption data down to 50 Hz. It is the trap most often recommended over GIK in Gearspace and AVSForum comparisons for the money.

$250 each typical, as of October 2026
ATS Acoustics Corner Bass Trap, Full Frequency Range, 24 x 48 x 13 in (Black)
  • 24 x 48 in, 13 in deep at center
  • Rockwool Rockboard 60 + AFB core
  • NRC 1.60 (published)
  • Wood frame, jute fabric, 40 lb

Thirteen inches of mineral wool across a corner reaches down into the range where room modes live, and ATS publishes absorption data to 50 Hz to prove it. Forum comparisons regularly pick it over pricier GIK traps for the money.

Watch out: ATS advertises an absorption average of 1.60 for this trap, which is not a standards-compliant NRC figure: a real NRC is the average of four octave-band coefficients rounded to the nearest 0.05 and cannot exceed about 1.15 in practice. Treat it as a relative indicator, not a measurement, and ask ATS for the lab report if the number matters to you. About 40 lb each, so it is a two-person hang and needs solid anchoring.

Pros

  • Real low-frequency depth at 13 in
  • Absorption data published to 50 Hz
  • Jute fabric and wood frame look finished

Cons

  • Heavy
  • No fire rating listed by ATS
  • Sold as a single trap

Specifications

TypeCorner bass trap
Size24 x 48 in
Thickness13 in at center
CoreRockwool Rockboard 60 and AFB
NRC1.60 (published)
MountingWall corner, wood frame
Pack size1

Specs come from manufacturer documentation and published reviews; check the retailer listing for the current revision.