How to Convert 2 Channel Amplifier to 2.1.
Also Include How to Make 2.1 Amplifier at Home Malayalam.

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This video is about converting a stereo to 2.1 or 2.2 amplifier. A stereo amplifier is an amplifier that have two channels.
2.1 is an amplifier that have two channels left and right with a subwoofer for an extra detail for producing low frequency.
Also a 2.2 means an amplifier that have two channels with two subwoofer connection circuit inside.

What is an Amplifier?
It's An electronic circuit that uses power supply to generate an output signal that is a larger replica of its input.
An audio amplifier is used to increase the volume of a speaker's voice so they can be heard more easily in large areas.

What is an amplifier used for?
An amplifier is an electronic device that increases the voltage, current, or power of a signal. Amplifiers are used in wireless communications and broadcasting, and in audio equipment of all kinds. They can be categorized as either weak-signal amplifiers or power amplifiers.

Are amplifiers AC or DC?
Amplifiers need DC only as power supply. It must be batteries of a rectified Dc from Ac.
Because the electronics inside demand a constant voltage level to perform the operaton.

Types of Amplifiers we use.
Stereo amplifiers, 2.1 amplifiers, %.1, 7.1 5.2 7.2 and as many various configurations. Here that point 1 and point 2 etc refers to the number of subwoofers.
These types of amplifiers can be assembled or brought from any brands.
Brands builds AVR or Sound bars as latest dolby products and features with dolby atmos.

Why we need to convert any stereo to 2.1 or 2.2?
Its to get that real impacet or experience from the audio file that's played.
A stereo output must be starting from a frequency range of about 50 to 80 hz.
To go below that 50 or 80 to 20hz or below, you need an extra channel that produce low frequency only.
And that's why we need subwoofer as 2.1 or 2.2.

What are the types of subwoofers available;
There are several types of subwoofers available, each designed for specific purposes and environments. Here are some common types:

Component Subwoofers: These are standalone subwoofers that require an external amplifier and enclosure. They offer flexibility for custom setups and can provide powerful bass.

Other types of subwoofers available are - Enclosed Subwoofers, Powered Subwoofers, Vehicle Subwoofers, Home Theater Subwoofers.

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