A.Yes. The phantom power supply switches are provided separately for each channel.
Note:
Be sure to power off the phantom power supply unless a condenser microphone requiring it is connected. If you supply the phantom power supply to a dynamic microphone, it may get faulty. Refer to the manual of the microphone for its specifications.
Reference:
Phantom power supply specifications.
DC48V, 8mA Max (20mA or less for the total of all channels)
(2010/03/29)