["Description:\nbrand new and high quality.\nFeature:\nUsing TAS5630, high quality components to ensure its stability.\nUsing 470UF/100Vx4 NICHICON capacitor as its main filter electrolysis capacitor, which can provide continuous driving support.\nUsing fully shielded high-current inductors, to ensure crisp and powerful sound.\nWith 5-loop mental resistors and metal film resistors(±1% precision) in the main circuit, the product achieves an excellent SNR.\nWith the full-screening large current inductance, its sound will be clearer and more powerful.\nUsing 1.6mm thick two sides board, 2.0 oz copper thickness, tin plated workmanship to build the high-quality PCB, which ensures its current conveyance performance.\n\nSpecifications:\nItem Type: Amplifier Board\nWorking mode: D type\nQuiescent current: 65mA\nEfficiency: 88%\nOutput power: 300W+2x150W/4 euro 10% THD\nFrequency response: 20Hz to 20KHz\nDynamic range: greater than 100 dB\nSignal to noise ratio (A-Weighted): 100dB\nWorking voltage: DC48V\nMaterial: Matel+Plastic\nSize: 170x96x43mm/6.6x3.7x1.6in\nColor: As shown\nQuantity: 1 Pc\n\nPotentiometer function: (from left to right )\n1.Subwoofer volume.\n2.Left and right channel treble.\n3.The volume of the left and right channels.\n4.The total volume.\n\nNote:\nTransition: 1cm=10mm=0.39inch\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x Amplifier Board\n1 x Some Accessories"]