The audio amplifier for cars can improve your vehicle's sound system, delivering clear and powerful audio. Ideal for car enthusiasts, this amplifier allows that every beat and note is amplified. Simply connect it to your car stereo system, and enjoy a great audio experience. Features -Type: Class -Channel: 4 -Voltage: 12v - Power:4x100W -Impedance: 4 -Signal-to-Noise Ratio(SNR):90dB -Frequency Response:10Hz-30KHz -Color:Black -Material:Aluminum alloy -Size: 32.00X21.00X6.00cm/12.58X8.25X2.36in -Great audio experience: car amplifier delivers clear and realistic sound quality, allowing you to enjoy an pleasant music experience in your car -Powerful output: the multi channel design provides robust audio output, making your music more powerful -Versatile design: audio amplifier supports multiple audio input methods, including aux, usb, and more, making it easy to connect various devices -Easy installation: comes with detailed installation guides and accessories, allowing for easy setup without the need for skills -Strong and lasting: car amplifier is made with strong metal materials, ensuring good durability and stability, and is not easily damaged over time Package list: 1 Amplifier 1 x Terminal and Screw Kit 1 x User Manual