<p>1. Use TPA3255, OPA1632DR</p> <p>2. The Electrolytic Capacitor Uses A Capacity Of 470uF\/100V*4 To Strong And Continuous .</p> <p>3. The Resistors Use High-Precision Chip Resistors To A Good Signal-To-Noise Ratio Of The Whole Machine.</p> <p>4. Use A High-Current Magnetic Ring Inductor Specially Designed For Audio To Crisp And Powerful Sound.</p> <p>5. PCB Uses 1.6mm Thick Double-Sided Board, 2.0 OZ Copper Thickness, And Full Tin Spraying Process To Good Passing Performance Of Large And Small Currents. Top- PCB Quality.</p> <p>1. Working : Category D</p> <p>2. Quiescent Current: 65mA</p> <p>3. Work Efficiency: 88%</p> <p>4. Output Power: 600w\/4 Ohms 10% </p> <p>5. Frequency Response: 20HZ To 20Khz</p> <p>6. Dynamic Range: 100 DB</p> <p>7. Signal-To-Noise Ratio: 100dB(A-Weighted)</p> <p>8. Working Voltage: DC 48V</p> <p>9. Pcb Size: About 140x95mm</p> <p>10.Colour:As Shown</p> <p>11.Material:PCB</p> <p>Note:</p> <p>Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use</p> <p>Package Contents:</p> <p>1 x Amplifier Board Module</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>