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 ultra-sonic 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.