Product overview Extremely low frequency (ELF) generator set to 7.83 Hz, delivering precise output with good stability for audio and personal well-being applications. Key benefits — why you need it Improve sound field and audiovisual realism: adds a stable 7.83 Hz ELF signal to environments where subtle low-frequency reinforcement improves perceived depth and presence. Support for sleep and relaxation: helps calm the nervous system during sleep and can assist with insomnia and relaxation of the mind. Better focus and work efficiency: by promoting a calmer mental state, the device can help reduce distraction and improve concentration during work or study. What makes it stand out Precision frequency: fixed at 7.83 Hz, the unit provides a consistent ELF reference appropriate for sound-field and personal relaxation uses. High stability design: built with a stability pulse chip, precision correction capacitor, and precision multi-loop adjustable resistance to ensure long-term frequency stability and reliable performance. Simple integration: intended to be used with audio systems, audiovisual setups, and personal environments where ELF output is required. Function and performance Function: generates a stable 7.83 Hz extremely low frequency signal for use in sound-field enhancement, audiovisual effect tuning, sleep support, and relaxation. Performance: engineered for precision and stability using dedicated detection and correction components (stability pulse chip, precision correction capacitor, precision multi-loop adjustable resistance). Compatibility and placement Compatible with typical audio and audiovisual environments where an external ELF source is beneficial. Suitable for placement near audio equipment, in a bedside setup, or in a studio/control room as part of an overall sound or environment configuration. Practical use scenarios Home theater: add subtle low-frequency reinforcement to increase immersion and depth in film and music playback. Bedroom sleep aid: run the generator at bedtime to help calm nerves and support better sleep patterns. AV production or mixing: use as a reference ELF source when evaluating or tuning low-frequency sound-field characteristics. Technical summary Output frequency: 7.83 Hz (extremely low frequency) Stability components: stability pulse chip, precision correction capacitor, precision multi-loop adjustable resistance Key attributes: precise frequency, good stability, designed for sound-field and personal relaxation applications Note Intended for use as an ELF generator to enhance audio/AV environments and support relaxation and sleep. Follow appropriate safety and usage practices for electronic devices in your setup.