Feature:1. The stereo interface promises excellent sound quality more perfect, especially for heavy bass.2. Provides chip protection to prevent overvoltage, undervoltage, overheating and short circuit.3. The chip also support DC detection to ensure stable, reliable and secure working performance.4. Large heat dissipation area ensures efficient cooling, which also prolongs the service life.5. One-piece moulding has no burrs on the smooth surface, so the installation is more convenient.Specification:Item Type: Digital Amplifier ModuleProduct Material: Printed Circuit BoardProduct Model: XR-189Chip Type: TPA3116D2Chip Protection: Overvoltage, undervoltage, overheating, DC detection and short circuit. Power Supply Voltage: DC5-24VOutput Power: 2 x 50WNumber of Channels: Two-Channel Stereo.Package List:1 x Digital Amplifier ModuleNote:1. Don't overload use;2. Do not use over pressure; 3. Do not use over current.