Feature:1. The power amplifier board has built‑in overvoltage protection, overcurrent protection and short circuit protection.2. One-piece without burrs board, with glossy surface and smoothly installation.3. 2-channel high-power power amplifier board makes low stress more interesting.4. With small size, easy to carry and store, convenient to use and with good performance.5. Can be used with peace of mind, with strict quality control and quality assurance, high safety factor.Specification:Item Type: Power Amplifier BoardMaterial: PCBModel: XH-A313Function Type: Amplify audioChip Type: Digital chipChip Model: TPA3116D2Power Supply Voltage: DC9-24VOutput Impedance: 4-89Number of Channels: 2 channelsOutput Power: 2 x100W Package List:1 x Power Amplifier Board