KSaAuto 12V Universal Car Antenna Booster Stereo FM AM Radio Signal Amplifier Amp for Car Vehicle Truck SUV Boat Marine UTV RV Accessories FM Amplifier Audio Radio Stereo Media Head Unit Receiver

• Universal Car antenna booster work for both AM and FM radio stations. Enhance the radio signal and reduce the noise. Copper signal wire, strong anti-interference, providing better signal. Thicken the horse mouth metal shielding cover, all-round protection. Able to provide high output current, low harmonic distortion and cross, ensure security operation. Power supply voltage: DC 12V Installation Instructions: Please watch the video on the product purchase link which will show you how to install the antenna booster you received. Hidden Amplified Antenna (The black box) – Connect the DIN connector to the back of the radio and the power cord to the 12V power supply (red positive, black negative). In addition, this hidden antenna has no fixed installation position. It can be installed on any non-metallic surface. When choosing the installation location, you can choose several places for testing. If you mount it on a metal surface, the metal acts as a shield and blocks the radio signal.