Feature: 1. RAPID HEAT DISSIPATION: The 12V car amplifier board is equipped with a superb heat dissipation plate, which widens the contact surface between the amplifier and the air and ensures that the car subwoofer stays cool even in hot weather or during long hours of playback. 2. PRECISE DESIGN: Simple and elegant design, in line with modern visual aesthetics. Lightweight and compact, it is easy to carry and store without taking up too much space or putting any pressure on the operation of the car. 3. EASY TO INSTALL: The car speaker system is easy to install and does not require special tools or professional installers. It can be installed independently, making the installation simple and convenient, and can be completed in a short time. 4. CLEAR SOUND: Although the 12V car amplifier board is powerful, there will be no current sound to interfere with the playback, which will not affect the sound, and you can listen to the lossless sound smoothly. 5. DURABLE DESIGN: This 12V car amplifier is made of aluminum alloy material, sturdy and durable. The streamlined protective structure improves the thermal conductivity of the working discharge and excellent heat dissipation performance, so that the power amplifier can work for a long time without damage. Specification: Item Type: Car Amplifier Board Material: Aluminum Alloy Suitable for 8‑12 Inch Woofer (Dual Voice Coil Speaker Is Also Available) Voltage: 12V Maximum Power: 1800W Output Resistance: 4‑8Ω. Package List: 1 x Car Amplifier Board