What are the dimensions of Duet 2 (USB)? Chris February 23, 2021 01:38 Updated Duet2 dimensions: 4.05in wide x 6.37in tall x .976in deep without knob 1.39in deep with knob Related articles How do I route Quartet preamps directly to the outputs? Use my Quartet as an outboard analog preamp? My Duet 2 shows up as a Duet 1 in Apogee Firmware Updater Using Duet 2 (USB) with Apple's GarageBand Is Duet 2 (USB) compatible with Pro Tools? Symphony I/O Specifications Comments 0 comments Article is closed for comments.