1. TDA8954TH Is A High-Efficiency Class D High-Power Digital Audio Amplifier Launched By Philips. The Ic Adopts Hsop24 Power Package And Has Very Low Power Consumption And Quiescent Current. Since The Internal Mos Tube Output Is Used, It Has Good Performance In Terms Of Sound Quality. The Bass Is Deep, Powerful And Elastic. Using for-Original TDA8954TH 2. The Main Filter Electrolytic Capacitor Has A Capacity Of 8*1800uF/35V, And A Rectifier Flat Bridge Of 10A Or Above Is Used To Ensure Strong And Continuous Power Support. 3. The Resistance Is A Five-Ring Metal Resistor, And The Main Circuit Uses A Five-Ring Metal Film Resistor With An Accuracy Of ±1%, Ensuring A Good Signal-To-Noise Ratio Of The Whole Machine. 4. The Pcb Uses 1.6mm Thick Double-Sided Sheets, 2.0 OZ Copper Thickness, And Full Tin Spraying Process To Ensure Good Current Flow Performance. Top-Notch PCB Quality. 5. The Output Uses A Red Ring High Current Inductor To Ensure Crisp And Powerful Sound. When Using Btl Bridge, It Can Output 420W Under 8 Ohm Load Working Method: Category D Quiescent Current: 65mA Work Efficiency: 90% Rated Output Power: 2*210W Frequency Response: 20Hz To 20Khz Working Voltage: AC18V To AC28V Recommended Power Supply Voltage: AC24V-0-AC24V Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Size:Pcb Size:About 142x91x28mm Package Contents: 1 * Power Amplifier Board Module 1 * Connecting Cable 1 Set * Screw Mounting Accessories 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.