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. Author manuscript; available in PMC: 2026 Jun 21.
Published in final edited form as: J Neural Eng. 2025 Nov 18;22(6):10.1088/1741-2552/ae1876. doi: 10.1088/1741-2552/ae1876

Table 2.

Comparison of Iris 128x headstages to commercially available designs.

Metric Iris 128B Iris 128S Intan 32ch Kontex 64ch TDT 64ch switching
[this work] [M4032] [X3SR64] [ZC64SW16]
Noise (uVrms) 3.09b 3.33b 2.4a 2.4a —
Weight (g) 9.61 4.47 1.42 — 2
Volume (mm3) 1188 720 576 891 3503
Electrode # 128 128 32 64 64
Stim/record 128/128 32/128 32/32 64/64 16/64
a

Intan IC AC high-gain amplifier input referred noise.

b

Measurement included AC high-gain amplifier input referred noise.