Not for 5k iMac or Bose Speakers

This may work well for laptops or iPads, but my experience with this app was frustrating. I have high end Bose speakers that connect via USB on a 2015 5K iMac, and I could not get it to work properly. The sound was horribly muddled and distorted. I tried everything in their support to correct it, but I never got it to work. I gave up on it long ago.

PPanic about Boom2:Volume Boost & Equalizer, v1.4.1