It is a component magnetizer that demagnetizes everything from the input to the output of your amplifier. It emits a 1 kHz wave tone and demagnetizes. The sound quality of the entire system can be expected to be improved with easy operation. Good enough that you don't feel a feeling of use (Murakoshi Yoichi)
Maintenance information: 2024.6.22 operation confirmed
Accessories: original box, instruction manual (English, Japanese)