The Sonic Suit is a suit upgrade for Batman and Batgirl unlocked in the fourth level of the game. This allows them to shatter Glass Lego bricks using a specialized sonic ray gun that emits a ray of Sonic energy, shattering the glass. It is a blue suit that has a gun. With upgrades this suit can 1. Fire sonic in a wider area shattering glass in all directions (not just one) 2. Hurt enemies by increasing the volume and breaking their eardrums 3. Call a small army of bats to attack the enemy. With those 3 upgrades it has the most upgrades of all suits.