Specification: Item Type: Amplifier Board_x000D_Product Material: PCB_x000D_Operating Voltage: DC12-26V_x000D_Output Power: Up to 150W_x000D_Sound Channel: Mono_x000D_Signal to Noise Ratio: 100db Features: 1APPLICATION RANGE: 150W power amplifier board is suitable for high quality sound and high power speakers. 2DURABLE MATERIAL: Digital sound power amplifier board has strong toughness and good anti drop performance. 3EASY TO INSTALL: Sound amplifier board has a special humanized design and is easy to operate and connect, perfect for newbie. 4STABLE AND RELIABLE: Mono amplifier module is precise machined, featuring stable characteristics, high reliability, high accuracy, durability and adaptability. 5BEST CHOICE: Digital amplifier board can give you the best experience, it is important to experience a quality sound system, source and speakers. PackageList: 1 x Amplifier Board