Puncher

Puncher is an electronics company that manufactures speakers that appears in Grand Theft Auto Online, added as part of the Lowriders: Custom Classics update.

Description
Puncher appears as the manufacturer of several trunk speaker modifications in the Faction Custom Donk and Minivan Custom.

The company might be based on the speaker manufacturer; Kicker, since they share very similar names alluding to a form of melee attack.