An amplifier can amplify audio, video, or other types of signals to have greater power or voltage. In audio systems, amplifiers are typically used to enhance the volume and clarity of sound, providing a better listening experience.
Fosi Audio DA2120B Bluetooth Amplifier Stereo Audio Wireless Amp Hifi Class D Power Amp 100W x2 Passive Speakers Remote Control (Refurbished Unit- only US)
Fosi Audio T20X Bluetooth 5.0 Tube Amplifier Headphone Amp Stereo Audio Receiver 2 Channel Digital Mini Hi-Fi Integrated Power Amp for Passive Speakers