QVATTVOR 2° Step-Up Transformer with the ability to customize connection options and settings Featuring advanced switching capabilities while maintaining a fully balanced circuitry. Ability to connect two independent sources with load selection from the front panel. Additional features include a Mono / Stereo switch, Subsonic filter, and more. The transformer is equipped with a demagnetization function. The Demagnetizer buttons demagnetizes the cartridge and the step-up transformer. Please push both buttons simultaneously and hold them for ten seconds while listening to music from the record. As long as you press the buttons, the music stops. A cartridge and a transformer are demagnetized by the interchange signal of the LP. A sound is slightly cleared by demagnetizing it. Please use demagnetization every several months. Because this demagnetization method does not add electricity, the cartridge is safe.