Discrete Class A Audio Amplifier Board Power Amplifier Board $ 7.38 Product Information: Product Name: Class A Analog Circuit Power Amplifier Board Product model: XH-A851 Chip type: Analog chip Power supply voltage: DC24V2A Number of channels: dual channels External dimensions: 82 * 66 * 22 (mm) Function type: Amplify audio Chip model: TIP41C TIP42C Output impedance: 4Q Output power: 15W * 2 Installation hole spacing: 59 * 59 (mm Packaging list: Class A analog circuit power amplifier board * 1