Can I use Duet 2 (USB) for recording ribbon mics? Do the preamps provide enough gain? Chris February 23, 2021 01:41 Updated Yes. Duet 2's internal preamps offer an incredible 75dB of gain, which should be suitable for recording any ribbon microphones. Related articles Discrete mic preamps vs. Chip-based mic preamps Duet 2 System Requirements Comments 0 comments Article is closed for comments.