Romicta 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

RMS 4×50W + 4.1CH Active Subwoofer OutputThis 4.1 channel amplifier delivers RMS 4×50W output, allowing you to connect up to 4 passive speakers and 1 active subwoofer. The SUB output is only compatible with active subwoofers with a SUB/RCA input and does not support passive subwoofers. With A/B speaker switching, you can easily control different speaker zones or play all connected speakers together for a powerful home audio experience.
Supports A/B Speaker SwitchingDesigned with independent A/B speaker volume control, this amplifier can drive speaker channels A/B and C/D for flexible audio output. Easily control multiple passive speakers at the same time for home theater, desktop audio, classroom, or car audio use.
Bluetooth 5.0 & Multiple Audio InputsBuilt-in Bluetooth 5.0 provides quick pairing and stable wireless music streaming within up to 30 ft. It also supports USB, SD/MMC card, AUX, and RCA audio input, making it easy to connect smartphones, tablets, laptops, PCs, CD/DVD players, and other audio devices.
Clear Hi-Fi Sound with Bass & Treble ControlThe amplifier is designed for clear and powerful music playback with low distortion 0.04 %. Independent bass and treble knobs let you fine-tune the sound according to your listening preference, bringing a better audio experience for daily music use.
Easy Operation with LED Display & Remote ControlThe bright LED display makes working status easy to read at a glance. The included remote control allows convenient adjustment of power, mode, volume, playback, and song selection from a distance.
Please note: this model does not support FM radio or microphone input.