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    "officialUrl": {
      "value": "https://www.kernel.com",
      "status": "verified",
      "sources": [
        {
          "url": "https://www.kernel.com",
          "label": "Kernel — official site"
        }
      ],
      "updatedAt": "2026-05-04"
    },
    "productPageUrl": {
      "value": "https://www.kernel.com/products",
      "status": "verified",
      "sources": [
        {
          "url": "https://www.kernel.com/products",
          "label": "Kernel — Products page (Flow2 spec sheet)"
        }
      ],
      "updatedAt": "2026-05-04"
    }
  },
  "editorial": {
    "pros": [
      "Higher channel density than Flow1",
      "Improved donning / comfort over Flow1",
      "Whole-cortex coverage in a head-worn form factor",
      "Adds 4-channel EEG to the original TD-fNIRS modality"
    ],
    "cons": [
      "Research-only — Kernel explicitly disclaims medical / regulatory testing",
      "Tethered to a base station; not ambulatory",
      "$117k+ — out of reach for individual researchers"
    ],
    "bestFor": [],
    "notFor": [],
    "comparableDevices": [
      "kernel-flow"
    ]
  },
  "provenance": {
    "sources": [
      {
        "label": "Kernel — Products page (Flow2 spec sheet)",
        "url": "https://www.kernel.com/products"
      },
      {
        "label": "NeuroNews International — Kernel unveils Flow2",
        "url": "https://neuronewsinternational.com/kernel-unveils-new-flow2-advancing-neuroimaging-system/"
      },
      {
        "label": "Scientific Reports 2024 — Kernel Flow2 reliability",
        "url": "https://www.nature.com/articles/s41598-024-68555-9"
      },
      {
        "label": "Ban et al., Neurophotonics 2022 — Kernel Flow technical paper",
        "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC8765296/"
      }
    ],
    "lastReviewedAt": "2026-05-06"
  }
}