The research case is that ANC headphones address subjective acoustic comfort without improving cognitive performance — meaning the focus quality that organisations want from their noise management investment is not being delivered. HIGHKA pods deliver the ≤35 dB interior acoustic environment that actually eliminates the irrelevant speech effect and measurably supports cognitive performance. Additionally, pods address the bidirectional problem — call quality, outward speech containment, multi-person use — that headphones cannot address at all. The two solutions serve different functions; pods are not a replacement for headphones but a qualitatively different acoustic intervention.