Custom design


Red Spade Audio is a consulting and design firm that specialises in small room acoustics and speaker design.


Custom subwoofers


We can design and/or build custom subwoofers.


Examples include:

  • horn subs
  • infinite baffle
  • other built-in
  • conventional designs


Custom loudspeakers


Looking for something extreme, unique or different?


  • exotic boutique speakers
  • active speakers
  • open baffle
  • constant directivity designs
  • horn speakers
  • conventional multi-way speakers