Feature 1Important Parameters: Car amplifier 500W 2 and 300W4 RMS output, 10Hz300Hz frequency range, 100mV4V input sensitivity. 2High Performance: Monoblock amplifiers have high efficiency, low power consumption, multiple protections, and long service life. 3Universal Fit: 1 channel audio amplifier is widely used in car audio system, such as car speakers, bring more convenience. 4Heat Dissipation Shell: Compact structure, high quality metal housing, efficient heat dissipation design, maximum reliability and performance. 5Comfortable Driving: Car amplifiers can give your music a huge boost, allowing you and your passengers to enjoy great music on the road.Item Type: Car amplifierMaterial Type: MetalRMS Output: 500Wx1 at 2, 300Wx1 at 4Frequency Range: 10Hz-300HzInput Sensitivity: 100mV-4VPhase Adjustable: 0-180, THD0.05%Damping Coefficient: >200Fuse Rating: 20A x 2Input Impedance: 10KApplication: Universal .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; }Package List1 x Car Amplifier1 x Manual