USB Frequency Generator 7.83Hz | 0.1Hz–100kHz Adjustable Resonance

USB Frequency Generator — Precision Sine Wave Resonance Device

Experience the power of precision frequency technology with this compact, USB-powered Frequency Generator. Engineered with a low-drift crystal oscillator, this versatile device outputs a pure, stable sine wave across an ultra-wide range of 0.1Hz to 100,000Hz — including the widely explored 7.83Hz Earth resonance frequency. Whether you use it at home, during travel, or as part of your meditation or focus routine, this portable resonance device is built for reliable, consistent performance.

Made in Mainland China.

Key Features

• Wide Adjustable Frequency Range: Programmable from 0.1Hz to 100,000Hz, giving you precise and flexible frequency control for a variety of wellness and experimentation applications.
• 7.83Hz Earth Resonance Output: Features the well-known Schumann resonance frequency (7.83Hz) as a preset, popular for meditation, relaxation, and grounding practices.
• Crystal-Precision Sine Wave: Utilizes a low-drift crystal precision chip to deliver a stable 3V sine wave output and a 5V square wave, ensuring clean, accurate signal generation.
• Anti-Interference Design: Built-in digital crystal oscillator with anti-interference circuitry for a consistent, stable waveform — ideal for sensitive applications.
• Inverse Square Wave & Sine Wave Audio: Outputs both inverse square wave and sine wave audio signals designed to support body sound perception and cultivate a calming environment.
• Compact & Portable: Lightweight (approx. 100g) and compact (10.78 × 7.73 cm / 4.24 × 3.04 in), making it easy to use at home, in the bath, in bed, or while traveling.
• USB Type-C Powered: Convenient 5V USB Type-C power input with a 3.5mm audio output jack — low power consumption of less than 0.5W.
• Easy Controls: Push-button and remote control operation for effortless frequency adjustment.

Technical Specifications

• Material: ABS
• Product Size: Approx. 10.78 × 7.73 cm / 4.24 × 3.04 inches
• Weight: 100g
• Working Voltage: 5V
• Default Frequency: 7.83Hz
• Adjustment Range: 0.1Hz – 99,999Hz
• Power Consumption: Less than 0.5W
• Output: Sine wave (3V), Square wave (5V)
• Power Interface: Type-C
• Audio Interface: 3.5mm
• Control: Push button / Remote
• Certification: WEEE

What's in the Box

• 1× Frequency Generator
• 1× Data Cable

Perfect For

• Meditation and mindfulness sessions
• Focus and concentration enhancement
• Relaxation and stress-reduction environments
• Sound wave experimentation and research
• Home, travel, bath, and bedside use

Note: Manual measurement may cause slight deviations in size. Due to different screen settings and lighting conditions, the actual color may vary slightly from images. This device outputs audio/sound wave frequencies and is not intended for audio quality enhancement.

Learn more: NIH on relaxation techniques

Frequently Asked Questions

Q: What frequency range does this USB frequency generator support?

A: This frequency generator is adjustable from 0.1Hz all the way up to 99,999Hz (approximately 100,000Hz), giving you a wide range for diverse uses including the 7.83Hz Schumann/Earth resonance frequency, meditation frequencies, and sound wave experimentation.

Q: How is this frequency generator powered?

A: The device is USB-powered via a Type-C interface at 5V with a power consumption of less than 0.5W. It comes with a data cable for easy connection to any USB power source such as a wall adapter, laptop, or portable power bank.

Q: What type of waveform does this device output?

A: The frequency generator outputs a precision sine wave (3V) and a 5V square wave. It is designed for sound wave resonance and environmental frequency applications, not for traditional audio quality enhancement purposes.

Q: Is this device portable enough for travel?

A: Yes! The device is compact (approx. 10.78 × 7.73 cm) and lightweight (100g), making it ideal for use at home, during travel, in the bath, or at bedside. Its USB Type-C power requirement means it works with most common power sources.

Q: What controls does the frequency generator have?

A: The device features both push-button controls and remote control functionality, allowing you to easily adjust and program the output frequency to your desired setting.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.