Reviews Frequency Adjusting

FEDAI CCA CA2 in-Ear Earphones,HiFi Stereoin Ear Monitors IEM Wired Headphones/Earbuds/Headsets Hybrid Banlance Armature with Dynamic in-Ear Earphone HiFi Headset (Crystal Nomic)

【10mm composite magnetic dynamic coil】CCA CA2 earphone is Equipped with one new 10mm composite magnetic dynamic coil, the low-frequency dive can reach 10hz, the mid-low frequency is full and delicate, and the strength interprets popular vocals, giving them clear details. Rich texture and full of powerful bass. Bring you a new kind of auditory sense..
【Comfortable and Clear Sound】Tuning focuses on the popular and ACG directions. The strong magnetic force enhances the low frequency density, which is more suitable for the requirements of electronic music and heavy instrumental music. The rapidly improved transient response can meet the pursuit of vocal and classical music for the details of the mid-frequency..
【Simple Stylish Resin Cavity Design and Removable Cable】 CCA CA2 earphones is the combination of resin and the wide range of color options display a modern and eye-catching ,fasionable earphones. Bright streamer, adds luster texture,full of beauty.Suitable for stage, outing and other scenes..
【Comfortable to Wear】Ergonomic design can effective reduce noise and soft fit the auricle, which can make you comfortable and stable to wear. and effectively more reduce external noise interference after being worn tightly, then you can just enjo....

【High Pitch Dog Whistle】The silent dog whistle to stop barking features ultrasonic frequency, is extremely distinct, silent to others, and the high frequency cannot be easily replicated. Simply turn the screw inward or outward to adjust the frequency for easy training of your dog/puppy..
【Simple and Versatile】You can easily train your dog's unlimited commands by adjusting different ultrasonic frequencies with our dog training whistle. For example: "don't move - two short sounds", "sit down- one long and one short", "come - two long sounds", which can help you communicate better with your dog..
【Professional and Reliable】Our dog whistle to stop barking neighbors dog is made of quality nickel plated brass, with plastic shell, light in weight, compact in size. What's more, the ultrasonic waves emitted by the dog whistle will not damage your dog's hearing during training and will not cause any health problems for your dog..
【Anti-lost Dog Whistle】These ultrasonic dog whistles are not only a great tool for training and learning basic skills, but they also make it easy for you to quic....

Purchase a rose pink 3M Littmann stethoscope and $5 of the proceeds will be contributed to the American Cancer Society to help finish the fight against breast Cancer.
Outstanding acoustics with better audibility of high-frequency sounds (adult side, firm pressure). tunable diaphragm: hear high or low frequency sounds by slightly adjusting pressure on the chest piece.
Dual-lumen tubing: two sound paths in one tube eliminates the rubbing noise of traditional double tubes.
Next-generation tubing lasts longer and resists stains. Not Made with natural rubber latex or phthalate plasticizers.
Headset is easily adjusted for individual fit and comfort. Angled ear tubes align with ear canalsDescriptionThe 3M Littmann Cardiology IV Stethoscope is designed for clinicians who require outstanding acoustic performance combined with exceptional versatility. Its innovative design provides a single-piece tunable diaphragm on each side of the chestpiece. The colors shown online are approximations. We have made every effort to show the best possible match to the color of the actual product. However, some variation is expected, due to differences in both lighting and monitor calibration..

SUPERB AUDIO QUALITY – Improve accuracy by using this headset that comes with built-in premium soundcard.
VOLUME CONTROL – Type more efficiently by adjusting the volume in your headset for a more stunning volume and clarity..
COMFORTABLE - Lightweight silicone ear buds design for greater comfort during those long hours of transcribing..
NO DISTRACTIONS – revolutionary technology that matches the frequency response of the spoken word, dictations that makes that sound louder and clearer..
COMPATIBILITY – This headset is designed to be used with your transcription audio software programs with ease..

The pneumatic vibrator can control the amplitude and frequency by adjusting the voltage..
Made of high‑quality materials, wear‑resistant and durable, meeting the needs of various work scenarios..
Commonly used for vibrating table, filter screen, silo emptying, bulk material washing and compaction..
The piston outside the casing contains special grease, which vibrates together with the piston and runs smoothly and quietly..
There are standard 1/4in threaded holes on the outside to facilitate smoother exhaust of the vibrator..

The pneumatic vibrator can control the amplitude and frequency by adjusting the voltage..
Commonly used for vibrating table, filter screen, silo emptying, bulk material washing and compaction..
The piston outside the casing contains special grease, which vibrates together with the piston and runs smoothly and quietly..
There are standard 1/4in threaded holes on the outside to facilitate smoother exhaust of the vibrator..
Made of high‑quality materials, wear‑resistant and durable, meeting the needs of various work scenarios..

External speakers for amplifying a PC or laptop's audio.
Includes a pair of USB-powered computer speakers with a black metal finish and blue LED lights.
Padded base provides scratch-free placement and stability.
Simple USB plug-and-play setup (no drivers needed).
In-line volume control for easily adjusting the volume.
Bottom radiator for “springy” bass sound.
2.4 watts of total RMS power (1.2 watts per speaker).
Product dimensions: 3.9 x 2.6 x 2.8 inches (LxWxH, each).

The pneumatic vibrator can control the amplitude and frequency by adjusting the voltage..
Made of high‑quality materials, wear‑resistant and durable, meeting the needs of various work scenarios..
Commonly used for vibrating table, filter screen, silo emptying, bulk material washing and compaction..
The piston outside the casing contains special grease, which vibrates together with the piston and runs smoothly and quietly..
There are standard 1/4in threaded holes on the outside to facilitate smoother exhaust of the vibrator..

The piston outside the casing contains special grease, which vibrates together with the piston and runs smoothly and quietly..
The pneumatic vibrator can control the amplitude and frequency by adjusting the voltage..
There are standard 1/4in threaded holes on the outside to facilitate smoother exhaust of the vibrator..
Made of high‑quality materials, wear‑resistant and durable, meeting the needs of various work scenarios..
Commonly used for vibrating table, filter screen, silo emptying, bulk material washing and compaction..