Bone cumduction bruh
Occams razor of Parametric sound
....And directional high-fidelity commercial audio systems (Sound from ultrasound)[28] Parametric receiving arrays can also be formed for directional reception.[29] In 2005, Elwood Norris won the $500,000 MIT-Lemelson Prize for his application of the parametric array to commercial high-fidelity loudspeakers.
Just asking, but wouldn’t someone need to be nearby to “shoot” the beam towards Kamala? Wouldn’t the beam need to actually hit pretty darn close to her ear for this to work?