Features: 4-channel power amplifier adopts multi-layer PCBs board, which is firm and fine, anti-drop and shock-resistant, effectively improving the sound quality of car o. Built-in multiple protections, power short circuit protecting, high temperature protecting and signal short circuit protecting, reliable quality and safer to use. The integrated pure aluminum heat dissipation housing protects the circuit, has nice anti-drop and shock resistance, and has nice stability. Two-color coil transformer, small size, high power, rejects all short circuits, and improves the utilization rate of PCBs boards. The pure copper nickel-plated terminal blocks solve the problem of easy oxidation of pure copper, with nice contact performance and strong anti-interference. Specifications: Color: Orange Material: Aluminum Alloy Type: Class D Channel: 4 Voltage: 12 V Max. Power: 7800W RMS Output Power 4 Ohm : 4 * 100W RMS Output Power 2 Ohm : 4 * 150W Bridged Power 4 Ohm : 4 * 300W THD: less than 0.02percent Frequency Response: 10Hz-30KHz Signal to Noise Ratio: more than 96dB Sensitivity: 320mV-6V Recommended Fuse Type: 20Ax2 Item Size: 320 * 210 * 60mm 12.6 * 8.3 * 2.4in Package Size: 425 * 285 * 80mm 16.7 * 11.2 * 3.1in Package Weight: 2.5kg 5.5lb Packing List: 1 * Power Amplifier Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin