Features: 1. This Power Amplifier Board Is Carefully Designed Using The Original Tripath Company'S Tc2001 And Sta505 Digital Chips. It Has The Characteristics Of Good Sound Quality, Low Distortion, High Efficiency, Small Size, Neat, Reasonable And Beautiful Layout. 2. It Is A High- For The Majority Of Enthusiasts To Upgrade Their Cool Play, And The Great Advantage Is That It Can Be Powered By A Single Power Supply With A Wide Voltage, Which Is Convenient For Situations Where There Are No Dual Power Supplies! 3. Class T Digital Power Amplifier Board Is Incomparable To Common Class Ab Boards Such As Tda7492 And Tpa3123. The Distortion And Power Are Not In The Same Order Of Magnitude. 4. Class Amplifiers Can Match The Sound Quality Of Class Ab Power Amplifiers And New Power Amplifiers With Class D Efficiency. Description: 1. Working : T Type 2. Left And Right Output Power: 50W*2 3. Suitable Speakers: Any 4-8 4. Work Efficiency: 90% 5. Working Voltage: DC12V To DC 28V; DC 19V Is Recommended 6. Quiescent Current: 60MA Note: Depending on the batch, the appearance, color, and printing of the product , which does not affect use. Material: PCB colour: As shown Package Contents: 1 x Digital Amplifier Board Module 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.