1. TPA3116D2 is a high-performance Class D stereo amplifier chip with an energy efficiency of more than 90%. This high-efficiency feature makes it perform well in applications that require high power output. 2. High switching frequency: Supports switching frequencies up to 1.2MHz, which helps avoid AM interference and provides clearer audio output. 3. Adopting a proprietary hybrid modulation scheme, it achieves great power consumption improvements and further improves energy efficiency. 4. Good compatibility, high-performance audio amplifier chips can achieve performance upgrades, providing users with a flexible upgrade path. 5. Wide application: It can be applied to various audio devices, such as headphones, speakers, etc., especially suitable for portable audio devices, meeting the scenarios with high requirements for sound quality and volume. Product name:Audio digital power amplifier board Power input:DC12-24V Audio input:AUX/Bluetooth 5.0 Output power:30W*2 when input DC12V, 50W*2 when input DC24V Output impedance:2-4 ohms Dimensions:80x50mm/3.15x1.97in Color:As Shown Material:plastic Package Contents: 1 * Digital Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.