Is it possible to daisy-chain Duet to an external FireWire hard drive? Chris March 02, 2021 22:51 Updated Daisy-chaining Duet to an external FireWire hard drive is not support nor recommended. Daisy-chaining may cause overloading of the FireWire bus resulting in poor audio quality. Related articles What is the impedance of Duet (FireWire) headphone output? RMA: Can you repair my older Apogee gear? Comments 0 comments Article is closed for comments.