Specification: Description:_x000D_If you have a radio, MP3 or other stereo system attached to your car or motorcycle, you can enjoy brilliant sound with this HiFi amplifier. It also has a jack for plugging your MP3, MP4, or CD player. Besides, this aluminum alloy power amplifier with low distortion with compact size is ideal for use on your carrier or at home._x000D__x000D_Features:_x000D__x000D_All aluminium alloy shell, to eliminate all kinds of electromagnetic interference. _x000D_High-power audio amplifier chip, 20W x 2 RMS power output. Low distortion. _x000D_RCA & 3.5mm audio input. Supports all kinds of audio input, such as mobile phones, DVD players, computers, MP3/MP4, etc. _x000D_Great for use on your vehicle or your home. Smart, lightweight aluminum casing. _x000D_Two pairs of speaker output clips, easy to wire. _x000D_Allows for full control of volume, treble and bass output. _x000D__x000D_Specifications:_x000D_Input impedance: 47Kohm_x000D_Speaker impedance: 4 - 8 ohms_x000D_Compatibility: Compatible with mobile phone, MP3, computer_x000D_Volume control: Support_x000D_Connection: Wired_x000D_Interface: 3.5mm audio jack, RCA input port_x000D_Audio Source: Electronic devices with 3.5mm plug_x000D_Material: Aluminum alloy_x000D_Frequency: 20Hz-20KHz_x000D_Distortion: 80dB_x000D_Frequency response: 20Hz ~ 20KHz_x000D_Distortion: