1. 4.0?channel Hi-Fi amplifier with 60W x 4 output power, DC 12V power supply, compatible with speakers for rich stereo sound. 2. Built?in Bluetooth 5.0. Supports USB, SD card playback and FM radio for flexible audio source switching. 3. RCA audio input connects to mobile phones, laptops, TVs and more. Independent treble and bass adjustment knobs are available. 4. Digital LED display with infrared remote control, supports track switching and mode selection for easy operation. 5. Aluminum alloy heat-dissipating shell, compact and easy to install. Suitable for car, motorcycle, boat and small home audio systems.
