RD Physics is the global leader in using 3D-printing for loudspeaker design and manufacturing. Our spearhead project is the Circular Sound® line, which is a pioneering effort in creating a circular economy for the loudspeaker industry. In addition, many of our creative designs can be built by any do-it-yourself enthusiast with access to a 3D-printer.


RD Physics provides engineering and consulting services to small and medium sizes companies. Our specialties are additive manufacturing, engineering design and composite materials. We provide agile tests and demos, technical tests and research and preparations for product or service innovations.

We are a registered service provider for Business Finland Innovation Voucher.

Kim-Niklas Antin


  • Sales and marketing
  • Product development
  • Chairman of the board

Mikael Vaherjoki

Managing Director

  • General management
  • Production
  • Logistics