Valve Corporation has developed a way for the Steam Controller to produce music by vibrating its haptic trackpads [1].

This capability demonstrates an unconventional use of haptic feedback technology, turning a tactile interface into an acoustic device without the need for traditional speakers [1].

According to a demonstration by The Verge, the controller can emit recognizable sounds and full songs [3]. Valve said the haptic motors were programmed specifically as an easter egg feature [1]. The device achieves this by vibrating the trackpads at specific frequencies to move air and create audible sound waves [1].

The Steam Controller was released on May 4, 2026 [2]. Demand for the hardware was immediate, and the device sold out on the day of its launch [2].

While the feature serves as a hidden curiosity for users, it highlights the precision of the haptic motors installed in the hardware. By manipulating the vibration patterns, Valve transformed the surface of the controller into a makeshift diaphragm, a technique that allows the device to "sing" while remaining physically devoid of a speaker grille [1].

“The Steam Controller can produce music by vibrating its haptic trackpads”

This feature illustrates a shift in haptic engineering where tactile feedback is no longer just about simulating touch, but can be used for secondary functions like audio output. While currently an easter egg, the ability to generate sound via vibration suggests potential future applications in accessibility or device design where traditional speakers are impractical.