Riverside-backed DPA Microphones is rumoured to be acquired by Sonionm according to Borsen. DPA Microphones is a Danish company that produces microphones for the music industry. Sonion is owned by Novo Holdings. According to the rumours, Sonion will pay more than DKK 500m for DPA. DPA reported a turnover gross profit of DKK 118m and EBIT of DKK 32m in 2017, corresponding to an EV/EBIT multiple of 15.6x.