Features: Experience enhances car with the Professional Car Amplifier. Customize your sound with precise adjustments and enjoy quality. Connect seamlessly to system. Enjoy wireless music playback and multiple input option for easy integration. Perfect for both car enthusiasts and everyday drivers, it enhances your experience. Enjoy immersive sound and make every drive memorable. Transform your car into a concert hall. Whether on a trip or running errands, immerse yourself in clear and vibrant sound. Upgrades system. Adjust settings easily and enjoy quality sound wherever you go. Specifications: Material: Metal Voltage: 12V Resistance: 4Ω Sensitivity: 91 SNR: 105dB Frequency: 20HZ-20KHZ Distortion Degree: Lesss Than 1%1KHZ Size: About. 13.5x8x4.8cm/5.3x3.1x1.9in Package Includes: 1 Set Car Amplifier note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.