How would your experiments change if you had smaller, lighter-weight, simple-to-use packages for high-channel count probes? Activus probes empower you to scale up channel count with the added bonus of a better signal-to-noise ratio.
SmartLink/µHDMI: AV64, AV128, AV256
Intan/SPI: AVI64, AVI128, AVI256
SmartLink/µHDMI: AVH64, AVH126, AVH256
Intan/SPI: AVIH64, AVIH128, AVIH256
One of these three: