Fangrui Product Details High-performance: Experience Superior Audio Quality With Our Xh-m139 Amplifier Board, Featuring A Powerful 100w 2.1 Channel Output. Versatile : Compatible With Dc 12-24v Power Inputs, This Amplifier Is Designed For Flexible Usage Across Electronic Setups, Ensuring You Have The Right Fit For Your Audio System. Energy Efficient: Designed With Energy Saving Technology, The Board Maximizes Efficiency Without Sacrificing Audio Quality, Making It Ideal For Continuous Usage. Optimal Audio Experience: Engineered To Deliver Crisp, Clear, And Immersive Sound, Transforming Your Listening Experience With Rich, Detailed, And Dynamic Audio. Compact Design: Its Sleek, Minimalistic Design Not Only Saves Space But Also Eases Integration Into Your Existing Sound System, For Diy Audio Projects. Due To Different Batches, There May Be Differences In Product Printed Text, Which Not Affect Use. Colour:as Shown Material:pcb Package Contents: 1 * 2.1 Channel Digital Amplifier Board Only The Above Package Conten