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.Specifications:Item: BT 5.0 Mini Hi-Fi AmplifierProduct Parameters: Chipset: CS8673E+AC6951C+NE5532+SGM4806Power Adapter: 19VAdapted Impedance:4~16MAX Power Output: 75W x2THD+N: <0.05% @1KHz A wtFrequency Response: +3dB (20Hz 20kHz)Adjustable Range of Treble and Bass: 7dBConversion Efficiency: >90%SNR: 85dB@1KHz A wtInput Mode: BT and 3.5mm AUXBT Transmission Distance: 10mPackage Size: 23*21.5*7cm / 9.06*8.46*2.76inPackage Weight: 770g / 27.16ozPackage List:1 * Amplifier1 * Power Adapter1 * BT Antenna1 * User Manual