Heavy Pressure

Great Tremor: Heavy Pressure is a Teigu in the form of a microphone. It was owned by Cosmina and is now owned by The Revolutionary Army.

Abilities
Heavy Pressure is a microphone-type Teigu that can amplify the user's voice and turn it into ultrasonic sound waves capable of pulverizing the enemy by shattering their bones.

It seemed to have different output levels; with full power output presumably being its trump card.