4.1 Channel Home Audio Amplifier Receiver, Bluetooth 5.0 Mini Amp with Subwoofer Output, RMS 4x50W MAX 800W for Home Theater/Car- USB/SD/AUX Input, for Passive Speakers and Active subwoofer

This 4.1 channel amplifier delivers RMS 4×50W output, enabling you to connect up to 4 passive speakers and 1 active subwoofer. The SUB output is only compatible with active subwoofers featuring a SUB/RCA input and does not support passive subwoofers. With A/B speaker switching, you can conveniently manage different speaker zones or play all linked speakers together for a powerful audio experience. Designed with separate A/B speaker volume control, this amplifier can drive speaker channels A/B and C/D for versatile audio output. Easily manage multiple passive speakers simultaneously for home theater, desktop audio, classroom, or other audio applications. Built-in Bluetooth 5.0 offers fast pairing and stable wireless music streaming within a range of up to 30 ft. It also supports USB, SD/MMC card, AUX, and RCA audio input, making it simple to connect smartphones, tablets, laptops, PCs, CD/DVD players, and other audio devices. The amplifier is engineered for clear and powerful music playback with low distortion 0.04%. Separate bass and treble knobs let you adjust the sound to match your listening preference. The bright LED display makes the operating status easy to read at a glance. The included remote control enables convenient adjustment of power, mode, volume, playback, and track selection from a distance. Please note: this model does not support FM radio or microphone input