When you buy through links on our site, we may earn an affiliate commission at no cost to you.
Top 10 Rated variable frequency sound generator in 2022 Comparison Table
- ❤20 Non-Looping Sleep Sounds: White noise ,Brown noise, pink noise, blue noise, fan,brook, rain, ocean,bird and Bonfire,suitable for for Baby and Kids and Adults.
- ❤Precise Volume & Timer Settings:With 32 Levels of Volume ,it is perfect for baby sleeping .And you can set 1 hour,2 hours,3 hours,4 hours,5 hours and continuous play,control the comfort level for your own environment.
- ❤Unique Design & Adaptive Sound Technologies: Solid-state design with 6.3 inch*4 inch *2.4 inch,it is portable for home, office or travel.With adaptive sound technologies,can give you a perfect sleep.
- ❤Function & Safety:Memory function automatically restores your previous volume, sound and time,it is powered by AC or USB.The machine is approved by FCC, CE and RoHS,don't need to worry about accidents.
- ❤Any issue just don’t hesitate to contact us.We will try our best to help you!
- Feature FG-100 DDS Function generator is a low frequency signal generator.
- It is small size, full function, easy operating and portable. Its power supply can be either AC/DC adaptor or a Lithium battery.
- Working with an oscilloscope, it can be used to troubleshoot the electronic circuit, characterize the audio amplifier frequency response or measure the impulse response.
- Due to the excellent DSS accuracy and frequency stability, it can also be used to calibrate the sweep time factor for oscilloscopes. You can also use its square wave to calibrate your oscilloscope attenuator or adjust your oscilloscope probe
- Have a filter (can be opened and closed) to suit the output of sine wave and pulse wave.
- 6 Soothing Sounds: Choose from 6 digitally recorded sounds: White Noise, Thunder, Ocean, Rain, Summer Night, and Brook; mimics the natural environment for the most relaxing experience possible
- Compact & Portable for Travel: The HoMedics Sleep Sound Machine is small and lightweight so it easily fits into your purse, bag, or suitcase; easy to bring your sleep sounds with you wherever you go
- Helps Your Baby Sleep: Add rhythmic nature noises to your infant’s sleep routine to help them fall asleep faster and stay asleep longer; the stylish design looks great in any room, including a nursery
- Auto-Off Timer: Play sounds continuously or choose from 3 auto-off timer options: 15, 30, or 60 minutes; plug it into a wall outlet with the AC adapter (included) or use 4 AA batteries (not included)
- What’s in the Box: (1) HoMedics SoundSpa Portable Compact Travel Sound Machine, (1) AC Adapter, (1) Quick-Start Guide
- BUY WITH CONFIDENCE: The Jackery Explorer 240 portable power station has been featured as the "Best Portable Power Station for use in the outdoors" by Digital Trends. A classic choice for your pick.
- EASY TO CARRY: This entry-level portable power station is equipped with a 240Wh lithium-ion battery pack, weighing only at 6.6 pounds. The solid handle makes it easy to carry around for outdoor adventures such as Tent Camping, Road Trip, Backyard Camping, etc.
- VERSATILE POWER SOURCE: 1* Pure Sine Wave AC outlet (110V 200W 400W Peak), 2* USB-A ports (5V, 2.4A), and 1* 12V DC car port to charge your road trip essentials such as smartphones, laptops, cameras, fans, lights and so on. Pass-through charging is supported.
- GREEN POWER SUPPLY: The power station can be recharged by the Jackery SolarSaga 60 solar panel. Its built-in MPPT controller enables the solar panel to operate at its max power point for the power station to be recharged at its highest efficiency. TWO alternative ways to recharge: through the wall outlet or the car outlet.
- WHAT YOU GET: 1* Jackery Explorer 240 portable power station, 1*AC adapter, 1* car charger cable, 1* user guide.
- THE ORIGINAL SOUND MACHINE: Beloved by millions since 1962, the Dohm Classic model features our fan-based natural white noise producing the soothing ambient sounds of moving air
- CUSTOMIZED SOUND EXPERIENCE: With two speed options for adjustable tone and volume, excellently masking background noise for better sleep for children, office privacy, and soothing sound-sensitive pets.Simply wipe the exterior with a damp cloth
- UNBEATABLE QUALITY & GUARANTEE: For over 50 years, Yogasleep has been the gold standard in white noise machines. Hand-assembled in the USA and backed by a one-year limited warranty and exceptional Yogasleep customer experience, we stand behind each product and offer you a 101-night trial to try it
- SIMPLE TO USE: Powered by an 7-foot 120V AC cord, simply plug in, flip the switch to high or low, then rotate the cap and collar to find the best sound for you. Let the noise-masking magic happen to help as a natural sleep aid, baby soothing, tinnitus relief, and respite from noisy snorers.
- CLASSIC DESIGN: Featuring a simple design that blends unobtrusively into surroundings. Also available in white, black, gray, pink, tan, and camo
- The cost effective 50 mil automotive butyl and foil sound deadening! You are not just buying an excellent quality product but also saving more than 20% comparing to competitors as well!
- Now everyone can easily eliminate the annoying road noise in the vehicle. We've designed the product that pretty efficiently handles the rattle and reduces noise while being affordable to almost everyone. KILMAT would deaden the entire car for the same money that would be enough to only insulate the doors using the expensive brands material.
- Automotive self-adhesive insulation consists of butyl. KILMAT sound deadening has a total weight of 0.35 lbs/1sqft. This weight ensures optimum efficiency and sound insulation that could be possibly gained from 50 mil thickness material. KILMAT 50 mil is light weighted sound deadening material!
- Car insulation KILMAT has a special indicator as to if it is installed correctly. The special embossing on the foil must be rolled out with a roller till it is plain smooth, then you'll be 100% sure that the soundproofing is set correctly and professionally! The sound dampening material comes in handy size sheets which make it easier in terms of cutting and installation process!
- Sound deadening material specifications: Nominal thickness 50 mil; Total coverage area of 50 sq.feet; Number of sheets in the stack 47; Nominal sheet Size 9.8x15.7 inch. Roller is not included.
- 6 SOOTHING SLEEP SOUNDS – The white noise machine sounds include Rain, Brook, Ocean, Thunder, White Noise, Summer Night. The sleep machine sounds help you drift off to sleep faster and wake up feeling refreshed in the morning
- MASK BACKGROUND NOISES - The white noise sound machine masks noise for improved sleep, concentration and comfort. Blocks background noise while sleeping, working or traveling to experience serenity in every situation
- OPTIONAL AUTO-OFF TIMER - Leave the sleep sound machine on all night or use the optional auto-off timer at 15, 30 or 60 minute intervals
- PLUG IN OR BATTERY OPERATED - Powered by an AC adapter (included) or 3 AA batteries (not included)
- PORTABLE WHITE NOISE MACHINE - Use batteries to operate the noise maker for travel, vacations or business trips. Whether it is excess noise or racing thoughts that distract you, our sound masking machine will help you create the ideal setting for better sleep everywhere you go
- Buy with confidence. Lectrofan is designed in the USA and backed by a 1,000 day satisfaction guarantee.
- Provides ten fan sounds and ten ambient noise variations, including white noise, pink noise and brown noise.Power:110V AC, USB
- Helps block disruptive environmental noises so you or your little one can fall asleep with ease
- Safe, solid-state design is powered by AC or USB and dynamically creates unique, non-repeating sounds with no moving parts.
- Precise volume control allows you to set the perfect level for your unique environment
- Our Most Powerful pest repeller with 9,000 Sq Ft of dominating Power/Coverage | Direct Targeting Ability
- Over Five New Dominating Pest Repelling Features! We've found that Change is Key when Repelling!
- 1) High Intensity Ultrasonic Pest Repelling Tech 2) Bat / Insect & Rodent Pest Targeting Switch
- 3) Digitally Processed Electromagnetic Inner Wall Pest Repelling 4) Pest Confusion Switch
- 5) Turbulent Storm Ultrasonic Pest Repulsive Technique, Keeps Pests on Edge & not allowing them to get use to the repulsive sounds
- Arbitrary Waveform Generator adopts large scale FPGA integrated circuit and high-speed MCU microprocessor. The internal circuit adopts the active crystal oscillator as the benchmark. So the signal stability is greatly strengthened.
- Using Dual-channel DDS signal and TTL electric level output to generate precise, stable, low distortion output signal. includes Sine wave, Square wave, Triangle wave, Saw toothwave, Pulse wave, white noise, user-defined waveform etc. each channel can be independently set the parameters.
- With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function.
- Storage feature: You can store 99 groups instrument state parameters set by the user, can be called up to Reproduce.The frequency output of Sine wave can be up to 15MHz. 200MSa/s sampling rate. It has 60 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 14 bits
- This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research.
Our Best Choice: Robinair 74367 9″ Flexible Extension Probe for Infrared Refrigerant Leak Detector
From the producer
Genuine Robinair Extension Probe – 9 inches lengthy
For use with Robinair’s No. 22791 InfraRed Refrigerant Leak Detector
Flexible design and style
Versatile extension can achieve even the hardest to entry areas for leak detection
Easy thread on design and style