Focusonics is a speaker that uses ultrasonic waves for sound reproduction, generating sound that is confined to a narrow beam that can reach tens of meters; in the beam the listener is immersed in music or speech while just steps away no sound can be heard.

Ultrasonic Array Controller UAC128 is a multi-channel, continuous-wave array controller used for driving ultrasonic transducer arrays for research and applications, such as ultrasonic particle manipulation, ultrasonic haptic feedback and wireless power transfer.