[TPA3116D2 CHIP] C50HS adopts TPA3116D2 chips with AM interference suppression function, delivering excellent sound quality. Ensures low distortion with THD less than 0.1% even during prolonged high-power operation. [Output Power] 50W+50W output power. Enhance your audio experience with the C50HS power amplifier board, supporting a wide input voltage range of 5-24V. [Multiple Audio Input Methods] Supports multiple input options including Bluetooth, AUX, USB flash drive, and USB sound card, enabling connection from various devices such as smartphones, laptops, tablets, and other audio sources. [Protective Function] Features over-voltage protection, under-voltage protection, over-heat protection, and short-circuit protection to help prevent damage to the amplifier board. Material: Plastic Color: Black Package Contents: 1 x Bluetooth Audio Amplifier Board 1 x Screwdriver Only the items listed are included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.