The Pyle PTA44BT is a compact 4-channel home audio amplifier designed to deliver excellent sound quality for your home or office. This amplifier features built-in Bluetooth for wireless audio streaming from smartphones, tablets, and laptops, as well as MP3, Wma, and Fm radio support. With 500W peak power, it connects easily to external devices via Usb, Sd card, and aux inputs. The amplifier also includes two 1/4" microphone inputs with talk-over functionality, making it ideal for karaoke or announcements. The system comes with a remote control for easy operation.