The Pyle PTA22BT is a compact Bluetooth amplifier designed to bring powerful sound to your home audio setup. This mini stereo amplifier supports Bluetooth wireless streaming from smartphones, tablets, and laptops, as well as MP3 playback from Usb and Sd memory cards. It also features Fm radio functionality, microphone input, and switchable mic pager and mixer modes for karaoke. The amplifier delivers up to 40 watts per channel and includes tone controls, Rca audio connectors, and speaker terminals for easy setup. Ideal for use in compact home theaters or desktop audio systems.