Feature 1Excellent Performance: Car subwoofer power amplifier with high efficiency, wide frequency, voltage, stable performance and high reliability. 2High Quality Material: Car amplifier is made of high quality metal and electronic components materials, high strength, high accuracy and durable. 3Professional Design: Strong heat dissipation power, compact size, professional manufacturing, exquisite workmanship. 4Multi Protection: Car audio power amplifier with current protection, overload protection, short circuit protection, have a long service time. 5Simple Installation: The installation is simple, no modification is required, convenient for using, save your time and energy.Item Type: Car AmplifierMaterial: Metal +electronic componentsColour: BlackVoltage: 12VMaximum Power: 1000WImpedance: 4THD: Less than 0.1%Frequency Response: 30Hz~280KHzSignal To Noise Ratio: 89db .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 Amplifier