It is a Schumann resonance wave (7.83 Hz) generator that increases the S/N ratio by canceling electromagnetic waves etc. generated from the entire audio equipment. Please use the included AC adapter by supplying power from an electrical outlet and placing the main unit as high as possible in the room (1 m 50 cm or more). The exterior is dull and has a feeling of use (Jun Tamai)
Maintenance information: 2025.12.4 continuity confirmed
Accessories: power adapter
Main specifications: Schumann resonance wave (7.83 Hz) generator input voltage 12V W140 × D170 × H50 mm 220 g