Amplifiers (Haunted House Edition)

An intergalactic alien race known as the "Amplifiers" have landed here on the XRPL to amplify the frequencies of NOXÆL's music creations across the blockchain and beyond! Each Amplifier comes with a music track released by NOXÆL, with 11 mixes of "A Haunted House" attached to this collection! 666 unique amplifiers to be revealed, can you collect them all and become a master of the frequencies and the ultimate amplifier at Halloween!?