eatures: 1. High efficiency: The TPA3110D2 chip used can maintain high efficiency in high-power output state, which helps reduce heat generation and energy consumption. 2. Supports BT 5.0: When paired with BT 5.0, it can be directly connected to a mobile phone, making it easy to use. 3. Wide voltage working range: Supports a wide range of DC8-26V (24V is recommended) power supply voltage, enhancing its applicability in different power environments. 5. Easy to use: The chip has a built-in bridge load output configuration, and the peripheral circuit is simple, making it easy for designers to quickly implement audio amplification solutions. Parameter: Product Name: Universal BT Digital Amplifier Board Model: XH-A240 Power supply: DC8-26V (recommended 24V) Power: 30W * 2 (when powered by DC24V, if powered by DC12V, the power is 15W) Chip selection: TPA3110D2 Input voltage: DC12~24V Audio input: AUX/Bt Number of channels: Dual channel Output power: 30W * 2 Size: 50 * 32mm Package include: 1X power amplifier board