Introduction: This 2.1-channel mini audio system delivers HDMI-Compatible,80Wx2(left/right channels)and 80W (subwoofer)output,with independent bass and treble adjustment for rich and precise sound quality.It features master volume,treble,and bass knobs,and For HDMI-Compatible,RCA and AUX inputs,compatible For devices like phones, computers,and TVs.Compact and portable, it is ideal for various settings such as home,car, boat,and outdoor use,offering easy installation and flexible operation. Features: 1.Powerful Sound, Precise Tuning: 2.1-channel high-fidelity output (80W per stereo channel, 80W subwoofer) delivers immersive audio. With independent treble/bass controls and a 20Hz-20KHz frequency range, customize rich soundscapes for music and movies. Specifications: Input port: 2xAudio RCA; 1xAUX; 1xHDMI-Compatible Output port: 1xHDMI-Compatible; 1xUltra-low sound jack;1xLeft channel; 1xRight channel HDMI-Compatible version: 1.4 Power amplifier type: HIFI Amplifier channel: 2.1 Output power: 80Wx2+80W Output impedance: 4-16Ω Harmonic adjustment: <1KHz 0.05% 4W High pitch control: 10KHz +12dB 220mV 47K Bass control: 100Hz+12dB 220mV 47K Frequency Response: 20Hz- 20KHz Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Color: Black Material: Metal Package Contents: 1.*Main unit 1*Power supply