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Our video
XX Speaker Co., Ltd. has been manufacturing public address audio products in China for more than 20 years.
We use professional testing and production equipment to design and improve our products.
Honor
We always believe that all the success of our company is directly related to the quality of the products we provide. They meet the highest quality requirements as stipulated by ISO9001 SGS.
Our company's product range has been supplied to the European union, the United States and South American markets.
We produce all models with CE. Compliant with EMC /LVD /RED RoHs standards.






What are the characteristics of an amplifier?
power
Amplifiers have different power ratings, which define the maximum power they can produce. Power ratings are in watts, and you'll find low, medium, and high power amperes.
channel
Amplifiers can have one single channel (mono), two channels (stereo), or more. Multichannel amplifiers are used in home theater systems to support center, right, and left front speakers, rear speakers, and subwoofers.
input sensitivity
This characteristic represents the amount of input signal required to produce a full output from the amplifier. High input sensitivity means that the amplifier can operate at low input signals.

obtain
The amplifier amplifies the input signal by a gain factor. Gain is defined as the ratio of the output voltage to the input voltage. The higher the gain, the greater the amplification of the input signal.

frequency response
The frequency response of the amplifier indicates that it amplifies the entire audio range from bass to treble very well. The wider the frequency response, the better the audio quality.

distortion
Distortion refers to any undesired change in the input signal produced by the amplifier. High quality amplifiers have very low distortion rates
What are the applications of amplifiers?
Amplifiers are widely used in industries such as medical, military, telecommunications, consumer electronics, and audio systems.
Audio industry
There they are used to produce high-quality sound. Amplifiers are used in sound systems to increase the volume of the audio signal, ensuring that everyone in a given space can hear the sound clearly.
Medical field
Medical amplifiers are used to measure and amplify small electrical signals in the body, which can help diagnose diseases more accurately.
Telecom industry
Amplifiers help increase the strength of a signal, ensuring that it can be transmitted over long distances through wires and cables without losing strength.
communication
Amplifiers are used in communication systems to maintain signal strength and ensure clear communication between troops.
FAQ
1. What are the characteristics of cigarette box three-dimensional packaging machine?
Main features:
1. There is no need to adjust the height of the countertops on both sides of the machine when changing the mold, and there is no need to disassemble and assemble the discharge chain or put the hopper, which shortens the four-hour mold replacement time of the traditional machine to only 30 minutes.
2. Adopting a new dual insurance mechanism, the machine does not need to be shut down when it is not running synchronously, nor will it damage other parts.
3. The original one-way hand crank device prevents the machine from shaking in reverse, and the handwheel does not rotate during operation, making the operator safer.
4. The new double rotary film cutting knife can ensure that the machine can be used continuously for many years without a sharpening port, overcoming the defect that the traditional fixed single rotary film cutting blade is easy to wear.
2. Automatic poker transparent film three-dimensional packaging machine packaging products?
Automatic poker transparent film three-dimensional packaging machine packaging products
Automatic poker transparent film three-dimensional packaging machine is mainly suitable for bulk poker, compressed biscuits, sachima, stickers, sticky notes, wafer biscuits and other bulk or multi-object collection of three-dimensional packaging.
3. What are the characteristics of flat push automatic three-dimensional packaging machine?
Features of flat push automatic three-dimensional packaging machine
The flat-push fully automatic three-dimensional packaging machine has been carefully designed and transformed on the basis of absorbing and digesting foreign equipment. It adopts imported digital frequency converter and electrical components, which have the characteristics of stable and reliable operation, firm sealing, flat and beautiful appearance. It can automatically wrap, feed, fold, heat seal, pack, count, and automatically paste anti-counterfeiting gold pull wires for single pieces or boxes. The packaging speed can be stepless speed regulation, and box-type packaging of different specifications (size, height, width and narrow) can be packaged by replacing cardboard and a small number of parts.
We have become one of the leading amplifier manufacturers and suppliers in China with high-quality products and good service. Please feel free to wholesale amplifiers manufactured in China from our factory.









