· 【RMS 60Wx2 Stereo Effect】-- Facmogu BT-398A audio amplifier fully upgraded design with 450W x 2 peak power and 60W x 2 rated power provides powerful performance and clear, clean sound. Upgraded function with Fiber/Copper axis digital signal input interface, which can provide high quality audio signal transmission, and added output interface, which can be paired with 4-16Ω passive speakers, so you can enjoy high-quality audio, perfect for offices, basements, and garages· 【Multiple Input Modes】-- The stereo amplifier home stereo supports a variety of external signal sources, and you can connect it to music streaming devices such as computers/mobile phones/laptops via Bluetooth connection, RCA and MIC inputs. It also supports USB port, SD/TF card port and FM radio to easily play your favorite audio files and enjoy music as you like. Note: The radio reception frequency range is 87.5-108MHz· 【Bluetooth 5.0 】-- Built-in Bluetooth 5.0 kernel, establishes Bluetooth connection with no pops, no noise, easy pairing, improves stability, sound quality and distance of use. Please keep the distance between the device and the amplifier within 16.4ft/5m without any wall obstruction when using. However, if you want to connect a computer device, please keep the distance within 6.5ft/2m· 【Sound Control & Remote Control】-- The Bluetooth amplifier's track name/mode/power switcher buttons are clear and responsive. Equipped with independent rotary knobs to control microphone volume, bass, treble, and master volume adjustable bass and treble controls for finer adjustments of sound effects to get the results you want. The included remote control allows for remote adjustments. Note: There is a plastic tab on the bottom of the remote control that needs to be removed before use· 【Wide Application】-- Compatible with mobile phones, computers, tablets, laptops, etc. Recommended for home audio, computer game audio systems, tower speakers, garden speakers. The small and simple design is also suitable for car audio systems