10 Best Frequency Sound Generators

Product Features

• Generate test tones for radio audio level alignment
• Calibration and testing of sound equipment or speakers
• Reference tone generation for tuning musical instruments
• Demonstration of audio principles to students
• Acoustics testing and equalization

Product Features

• PARAMETER --- working voltage range 3.3V-30V; frequency range 1Hz-150kHz/1Hz-15kHz; output current 5-30mA; frequency accuracy 2% in each range.
• APPLICATION --- as square wave signal generator for experimental development; as square wave signal generator for motor driver; as adjustable pulse generator for MCU; as adjustable pulse generator for PWM dimming, speed regulating, etc.
• DISPLAY--- clear LCD displays frequency & duty ratio value.
• MODE --- 2 modes, normal mode & accurate mode.
• FEATURE --- with lock function; PWM output, can set frequency & duty cycle separately; duty cycle upper and lower bounds adjustable; support serial communication; all data auto saved after setting.

Product Features

• This device can generate Schumann Resonance which has positive effects on human's brain wave
• Enhance sound field and vision & audio display, which suits for audiophiles
• Relax body and mind to help sleep / cure ahypnosis / improve working efficiency
• More of this devices and longer using time have more obvious effects

Product Features

Product Features

• High resolution, can generate sine/triangle/square waveforms.
• Frequency range: 1Hz-1MHz.
• Adjustable frequency and amplitude.
• Frequency adjustment features coarse tuning and fine tuning.
• Wide power supply range, use 9-12V external power or 9V battery(NOT Included).

Product Features

• 【Multi-Function】The Schumann wave can help create relaxed atmosphere, making people calm and comfortable. Improve the human body’s perception of sound and images, enhance the efficiency, and also have good effect on mental stress.
• 【Multi-Function】The Schumann wave can help create relaxed atmosphere, making people calm and comfortable. Improve the human body’s perception of sound and images, enhance the efficiency, and also have good effect on mental stress.
• 【High Stable&Precision】The Schumann generator adopts high stable frequency acquisition elements including high stability pulse chip, precision correction capacitance and precision multi-loop adjustable resistor,shielded solid capacitor.
• 【Use Instruction】When placing the product on the speaker, in addition to the appropriate weight, vibration-proof treatment is also required.It can be heard that differences between the same system will cause pitch changes on different cables.
• 【Product Service】You will receive 1 x 7.83HZ Wave Generator, 1 x Connection Line. If you have any problems, please do not hesitate to contact us, we will be happy to help you.

Product Features

• Adopted of Mini Usb port power supply, typically+5V 0.1A,and comes with USB cable
• Imported ultra-low static power consumption main control IC,to make the waveform more stable
• Output 7.83HZ pulse square wave, whose duty cycle is 50%. Frequency can be fine-tuned for correction
• This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability.
• For audio-visual space - to enhance the sound field and audio-visual effects,For the bedroom - to help sleep soothe the nerves, adjust insomnia, For office - to relax and improve work efficiency, Used to create space - to improve inspiration,For the tea

Product Features

• Test hearing capabilities
• Test your speakers and other audio devices
• Experience acoustic beat phenomenon

Product Features

• 【HIGH QUALITY】 This Schumann wave generator is 7.83HZ very low frequency generator, which features high accuracy and stability. The premium material ensures its durability, precision with a long service life
• 【HIGH STABILITY AND PRECISION】The Schumann generator adopts high stable frequency acquisition elements including high stability pulse chip, precision correction capacitance and precision multi-loop adjustable resistor, in order to ensure the reliable performance of this product
• 【SAFE TO USE 】This Pulse Generator is adopted with high quality polymer batteries, with overcharged, overvoltage, overcurrent protection. There is almost no voltage ripple in the voltage supply
• 【HELP SLEEP 】The Schumann wave can help create relaxed atmosphere, making people calm and comfortable. It helps to improve sleeping quality, relieve insomnia, relieve fatigue and restore physical and mental health.
• 【CONVENIENT TO OPERATE 】With work toggle switch, this Schumann generator is easy to use.

Product Features

• ✅7.83HZ extremely low frequency generator : This product is a Schumann wave 7.83HZ extremely low frequency generator with high accuracy and stability
• ✅High stability frequency acquisition components: High stability frequency acquisition components, high stability pulse chip, accurate correction capacitor, accurate multi‑loop adjustable resistance, shielded solid capacitor
• ✅Optimized circuit design,: Adopt newly optimized circuit design, gold-plated transmitter circuit
• ✅Hepler for people: Let people relax physically and mentally, improve the human body's perception of sounds and images, improving human health, enhance the work efficiency, and have a good effect on mental stress
• ✅ABS material, impact resistance, environmental protection, heat resistance and low temperature resistance