Specifications: Model: HY118 Input Voltage: DC12-15V Material: Aluminum Color: Black Current Requirement: >= 3A Output Power: 20W x 2 + 45W x 1 Impedance Matching: 4-8 ohms Frequency Response: 20HZ-20KHZ SNR: 80DB Total Hormonic Distortion: <0.4 % - 4 Electronic keypad control - USB/ TF MP3 format automatically decode read - Handset microphone volume control - Two main channel output. - It supports FM radio play(FM: 87.5 ~ 108MHz) - With iPod, MIC,MP3, CD /DVD player input jack. - Remote control make your operation more convenient in a long distance. - Imported high-quality amplifier IC, HIFI sound-quality. - Own a receiving antenna. - The high-pitched bass volume independently adjusts the remote control and the operation is more convenient. - Dazzle dynamic LED level display. Package Weight : 392 G / 13.83 Ounces Package Dimensions (L*W*H) : 170*123*55 MM / 6.69*4.84*2.17 Inches Retail Packaging: Yes, Colored Box Package Include: 1 x Stereo Amplifier 1 x Remote Control 1 x User Manual 1 x Cable