Features: Home HIFI digital audio amplifier, BT 5.1 streaming range up to 50 feet (15 meters), stable transmission, high quality lossless music streaming. Left and right channel output, rated power 75W+75W, HiFi music from your mobile phone, PC to your home audio system. Bass and treble control, master volume adjustment knob, can quickly adjust the volume, a home hi-fi integrated amplifier specially designed for customers who pursue high-fidelity sound. Supports RCA and Bluetooth input audio, one-button fast switching, and drives most home passive speakers to create amazing sound. Constructed from black sandblasted and sturdy aluminum alloy, it has a minimalist profile and is durable, and 4 rubber legs help it sit firmly on the tabletop.