1Using C5198 + A1941 tube amplifier, 400W maximum power, 812 inches can be pushed from the magnetic core to 120 stereo speakers. 22way auxiliary input (RCA and one group 3.5mm/0.1in standard input connector), you can access your computer, mobile phone or MP3 and other audio. 3With overload protection, overvoltage protection, current protection, short circuit protection, safer to use. 4Full range, bass selection, at low (low) frequencies, adjustable FREQ low frequency depth. 5High-performance decoding power amplifier chip, fast reading, clear and comfortable sound quality.Conditon: 100% Brand NewItem Type: Car Audio Amplifier BoardMaterial: Aluminum Alloy + PBCColor: As Pictures ShownDistortion: 1%Signal to Noise Ratio: 91Rated Power: 120WRated Impedance: 4Peak Power: 480WFrequency Range: 40Hz-250HzVoltage Support: 12VAmplifier Use: Subwoofer Speaker .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1 x Car Amplifier BoardPlease note that the old and new type of the product will be sent randomly, and make sure you will not mind before ordering.