Features: 1. It Is Recommended To Choose A Voltage Of 32V And A Current Of About 17A.2. Can Be Connected To Mobile Phones, Laptops Or Desktop Computers3. TDA8954TH Core Chip4. Professional Installation Is Required To Avoid Product Damage5. Two-Channel, Better Volume 1. Product Name: TDA8954 Two-Channel Power Amplifier Board2. Product Model: XH-M2583. Core Chip: TDA8954TH4. Input Voltage: Dual Ac AC12-28V (Dual 24V Circulation Recommended)5. Output Power: 420Wx26. Number Of Channels: Two Channels7. Output Impedance: 2-8 (4 Recommended)Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Usesize: About 140 x 104 x 30mmMaterial: PCBcolour: As ShownPackage Contents: 1 x Digital Audio Amplifier Board ModuleOnly 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.