XH-M543 Dual Channel 2*120W Digital Amplifier Board High Power TPA3116D2 Audio Amplifier Module _x000D_ _x000D_ Features: _x000D_ _x000D_ _x000D_ _x000D_ -Onboard front-facing IC to improve the input sensitivity, high-definition sound quality. _x000D_ _x000D_ _x000D_ -Efficient Class D operation, with over 90% power efficiency and low idle loss characteristics, advanced modulation system configuration, multiple switching frequencies, AM interference prevention _x000D_ _x000D_ _x000D_ -TPA3116D2 Advanced Oscillator/PLL Circuit adopts multi-switching frequency options to suppress AM interference, and when combined with master-slave mode options, multiple devices can be synchronized. _x000D_ _x000D_ _x000D_ -TPA3116D2 devices provide comprehensive protection against short circuit, overheating, overvoltage, undervoltage and -DC faults. If overload, the device will report the failure to the processor to avoid damage to itself. _x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ _x000D_ _x000D_ _x000D_ Model: XH-M543 _x000D_ _x000D_ _x000D_ Chip type: TPA3116D2 _x000D_ _x000D_ _x000D_ Working voltage: DC12-26V _x000D_ _x000D_ _x000D_ Output power: 2*120W MAX, DC12V, 2*50W,DC24V, 2*120W _x000D_ _x000D_ _x000D_ Signal to noise ratio: 100db _x000D_ _x000D_ _x000D_ Channel: Dual channel stereo _x000D_ _x000D_ _x000D_ Size: 92*68*16mm _x000D_ _x000D_ _x000D_ Weight: 68.6g _x000D_ _x000D_ _x000D_ Class: D _x000D_ _x000D_ _x000D_ _x000D_ Package included: _x000D_ _x000D_ _x000D_ _x000D_ 1 x Audio Amplifier Board _x000D_ _x000D_ _x000D_ 1 x Audio Cable _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_