<p>1. All Parts Of This Product Are And Authentic, And Of Pure Quality; Using High- Not Only Ensures Safety And Quality, And Has A Long Service Life, But More Importantly, It Is A Strong That The Actual Performance Can Meet The Design Goals.</p> <p>2. Use The Disassembled Sanken Tube 2SA1216 2SC2922 New Operational Amplifier Op07</p> <p>3. The Front Adopts Direct Coupling Amplification, And The Entire Circuit Has No Coupling Capacitor, Which Reduces The Distortion To 0.01%.</p> <p>4. The Resistors Are Made Of High-Precision Resistors, And The Main Circuit Uses High-Precision Resistors With An Accuracy Of 1%, Ensuring A Good Signal-To-Noise Ratio Of The Whole Machine.</p> <p>5. The PCB Uses 1.6mm Thick Double-Sided Sheets, 2.0 Oz Copper Thickness, And Full Tin Spraying Process To Good Passing Performance Of Large And Small Currents. First-Class Pcb Quality, First-Class Production Technology. This Board Can Be Debugged Into Category A, B Or Category A. The Sound Quality Is Soft, Pleasant And Powerful, Comparable To The Lm3886.</p> <p>Description:</p> <p>1. Voltage: -30V~48V</p> <p>2. Power: 150W</p> <p>3. PCB Size: About 142 x 72mm (Length*Width)</p> <p>4. Communication Interface: </p> <p>5. Power Supply Current: 10A</p> <p>Material: PCB</p> <p>colour: As shown</p> <p>Package Contents:</p> <p>1 Amplifier Board Module</p> <p>1 Set x Screw Installation Package Accessories</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>