and a surface transducer speaker. The team used a Processing app to define geographic areas where each MP3 file would play. An Arduino on the build queries a GPS module and selects the audio file ...

and a surface transducer speaker. The team used a Processing app to define geographic areas where each MP3 file would play. An Arduino on the build queries a GPS module and selects the audio file ...

Beyond that, however, you'll find a very up-to-date portable Bluetooth speaker. Bose says there's a "full-range transducer and dual passive radiators" that will "turn vibrations into deep bass ...

Inside the SoundLink Max, three transducers and two passive radiators power "a spacious stereo experience" that includes bass performance that sounds like an even larger speaker, according to Bose.