HenCoil coils are primarily PEMF devices that generate pulsed magnetic fields through a frequency generator or audio amplifier that reproduces frequencies. The frequency range that can be reproduced depends on the system used: with a frequency generator, such as Spooky2, you can reach 50MHz; if using an audio amplifier, the limit is 20kHz, which is the limit of audio systems, namely the range of audible frequencies. This is still very valid and sufficient, and if you use a square wave, it emits harmonics that go well beyond 20kHz. Among audio systems, smartphone amplifiers are recommended, connected via Bluetooth or cable with appropriate apps. Several valid options exist; typically, it is recommended to use an amplifier of around 100 watts in Class D, costing around $80, or more if you want better quality.

For use with a Spooky2 generator, 2 male BNC cables are required, while for connection to an audio amplifier, adapters from BNC to banana or bare wire are necessary. The coil can be prepared, upon request, with specific connectors.

HenCoil is suitable for therapeutic uses such as PEMF applications employing Rife therapy frequencies. It can be used to structure water, imprinting specific frequencies into the water, and to imprint holographic adhesive stickers capable of retaining vibrational information and radiating it within the energy body. The subtle energy field it emits makes it an excellent device for meditation or as an environmental energy harmonizer.