An amplifier is an electronic device that amplifies input signals or sounds without changing their original form. With various types of amplifiers, there are options to enhance the signal or audio output.

There are many types of amplifiers available on the market, each with a distinct purpose. In this article, we will provide more information about the types of amplifiers to help you determine the best one.

Types of Amplifiers

Power amplifier

A power amplifier is a type of device that amplifies audio signals. This device is usually paired with a separate preamplifier for professional or large-scale systems.

Power amplifiers are often used in speakers for homes, cars, stages, and professional sound system installations for concerts, recording studios, and large events. 

Pre-amplifier

A pre-amplifier is a device that amplifies low-level input signals, such as those from microphones or turntables, before sending them to a power amplifier. 

This device often comes with features such as volume, bass, treble, and balance controls to optimize sound quality. Pre-amplifiers are used in audio recording, home audio systems, and Public Address (PA) systems.

Integrated amplifier

An integrated amplifier is a type that combines a pre-amp and power amp in one device. This device has a simple, space-saving, and flexible system.

By combining the two main functions of a pre-amp and power amp, this amplifier offers a simpler solution with fewer cables and more space-saving for home audio systems. It is suitable for home users because it is practical and space-saving.

Radio Frequency (RF) Amplifier

An RF amplifier is a type of communication system used to amplify radio frequency signals, such as television broadcasts or two-way radio. This device utilizes power from a power supply to increase the amplitude of the input signal.

RF amplifiers are often used in the final stage of transmitters to extend transmission range. The device is commonly used in radio transmitters, televisions, medical equipment, and cooking appliances.

Bluetooth amplifier

A Bluetooth amplifier is a modern type of amplifier equipped with wireless connectivity via Bluetooth to connect to other devices. This technology operates at a frequency of 2.4 GHz and uses an initial pairing process to exchange security information before the connection is active. Bluetooth amplifiers are often used to connect devices such as headphones, keyboards, speakers, smartphones, tablets, or laptops without additional cables.

Those are the types of amplifiers by their use. By choosing the right type of amplifier, you can choose the best for amplifying a signal or an audio input to make better audio.

However, when choosing the types of amplifier, it should be noted that the products used are certified with type approval following the regulations in each country.