Electric Reverb Core Pieces allow you to use more and stronger special attacks. There are a total of 12 Electric Reverb Core pieces that can be found scattered throughoutHi-Fi Rushon different tracks, andyou can buy an additional three from Peppermint’s shop.
Related:Hi-Fi Rush: Spectra Door Location Guide
By collecting all of these Electric Reverb Core pieces, you will unlock the Fully Powered Up! achievement. You must have finished the game in order to get some of these Electric Reverb Core pieces. However, you’re able to collect most of them on your first playthrough.
For every four Electric Reverb Core pieces you collect, yourReverb Gauge increases.

Electric Reverb Core Piece One
The first piece is located on track one, towards the middle. After you reach the place with a bunch of trash-pressing machines,you will need to run all the way through from the first corridorwithout turning left. You will find a little spot on your right side and can see your Electric Reverb Core piecebehind the boxes.
Electric Reverb Core Piece Two
After your encounter with Kale and Roxanne Vandelay’s statueon track two,you can find this piece. There will be a part where you should proceed from the vent, but instead, you should turn to jump the platformopposite the vent.
Electric Reverb Core Piece Three
This piece is alsolocated on track two. After passing the signs that say Area Zero Two andjumping down from the vent,you will need to fight with the bunch of enemies.
At the end of the fight, a door will open on your left. Before going to that door, youmake sure to check the room where you fight with the enemies.

You will find your Electric Reverb Corebehind the boxes.
Electric Reverb Core Piece Four
This piece can only beobtained on your second playthroughand islocated on track three. Shortly after your encounter with the bike enemy that provides a shield for other enemies, you will reach a place where two robots chat with each other.
You will see a doorway that you can breakwith the help of Macaron. Break it, and you will see the Electric Reverb Core Four.

Electric Reverb Core Piece Five
Piece five islocated on track three. On this track, you will come across a receptionist robot called Lu-cille, and it will tell you access to AI labs is restricted until testing is done.
After talking to Lu-cille, proceed your way, and you will come across Peppermint’s shop and a door.

Turn right after passing through the door, and take the yellow stairs. You will find your Electric Reverb Core piece on the left side.
Electric Reverb Core Piece Six
You will need to be on your second playthroughto open Spectra Doors and access this piece.
This piece islocated on track four, in the Spectra Door Four. The door is located in a big room with a lava tube, and you willneed Korsica to accessdoor four.

After completing the challengeyou will be granted the Electric Reverb Core.
Electric Reverb Core Piece Seven
Electric Reverb Core Piece Seven islocated on track five, where you should fix three security nodes.
When you use the elevator to repair Security Node Two, make sure to turn left after the door, and climb to the top. You will see your Electric Reverb Core piece there.

Electric Reverb Core Piece Eight
After you pick up piece seven, the next piece is very close. While you progress through your main way you will fight a bunch of enemies in acircle-floated arena. You will see a Push Button on the right side andan armored door opposite you.
Go to the armored door and breakit with the help of Macaron. You will find your next piece in that room.

Electric Reverb Core Piece Nine
The ninth Electric Reverb Core piece islocated on track seven. Shortly after you fight with the Samurai Robot, you will need to break the armored door with the Macaron.
After, use a four-times jump pad to climb higher.Look up to see your next Electric Reverb Core Pieceafter you use the jump pad.

Climb to the top to claim your piece.
Electric Reverb Core Piece Ten
The tenth piece islocated on track eight, and you will find this after you fight flamethrower enemywith the help of Korsica.
You will fight this enemy in front of Vandelay Museum, and this piece islocated in left side of the yard of the museum.

Electric Reverb Core Piece 11
There’s a section in the sewer part oftrack eightwhere youdrop a cylinder into the water with Macaronandturn on a generator with Korsica. After this part, you will fight with a group of enemies in a room with electricity.
After you walk out the door,jump over a two-square electrified floor. Immediately after that,turn right, and you will see your next piece.

Electric Reverb Core Piece 12
This piece islocated on track ten. After blowing the head off the Kale statue, you’re able to find it byjumping into the small building below, before entering the Finance building.