Compact 5.1channel stereo amplifier with a 450W rated power delivers clear, smooth, quality sound and pure audio performance for music lovers and audiophiles. Powerful and compact design for everyday listening and home setup Bluetooth music streaming with a wireless range of up to 40 feet (10 meters); compatible with smartphones, tablets, and computers LCD display for easy monitoring of current settings, plus a remote control for convenient adjustments from a distance Versatile input options including RCA audio input for CD/DVD players, USB/SD card playback Practical use scenarios Home theater and music room: connect CD/DVD players via RCA, stream wireless audio via Bluetooth, and enjoy amplified, quality sound with your media content Karaoke nights or small gatherings: use the dual microphone input with reverberation adjustment to host singing sessions and performances Everyday listening with flexible sources: play music from USB/SD cards, stream from mobile devices, and manage settings easily with the LCD display and remote control