XH-M573] TPA3116D2 50W+50W+100W 2.1 Channel digital Power Amplifier DC detection: The chip also support DC detection to ensure stable, and secure working performance. Digital Amplifier Module Bluetooth Module 2Pcs TPA3116D2 Digital Amplifier Board XH-M562 - 2x50W Dual Channel Audio Amp For Speakers Bluetooth Amplifier Board DC 5-24V Input Amplifier Module Specification: Item Type: Digital Amplifier Module Product Material: Printed Circuit Board Product Model: XR-189 Chip Type: TPA3116D2 Chip : Overvoltage, undervoltage, overheating, DC detection and short circuit. Details. Stereo interface: The stereo interface promises excellent sound quality more , especially for bass. Chip : Provides chip to prevent overvoltage, undervoltage, overheating and short circuit. DC detection Digital power amplifier board keeps speaker output short circuit protection, helpful to audio system. The digital power amplifier board uses high-quality... Stereo interface: The stereo interface promises excellent sound quality more , especially for bass. Power Supply Voltage: DC5-24V Output Power: 2 x 50W Number of Channels: Two-Channel Stereo Package List: 1 x Digital Amplifier Module Note: 1., Don't overload use; 2., Do not use over pressure; 3., Do not use over current.