Suppose you were to buy ABR equipment. What minimum specs wo…

Suppose you were to buy ABR equipment. What minimum specs would you want under these heads?  (answer with correct numbers/text) 1. Sampling rate : 2. Quantization in bits : 3. Number of channels: 4. Presence of an analog anti-aliasing filter: 5. Ability to subtract or add waveforms: 6. Flexible artifact rejection threshold: