1、[HIGH ACCURACY] The high accuracy and sensitivity of the low frequency power amplifier module make the operation more precise and safe. 2、[HEAT SINK SHEET] When the input and output voltage is too high or the module is damaged, a lot of heat will be generated. However, the module is equipped with a heat sink to keep the performance stable. 3、[EXCELLENT MATERIAL] Made of excellent components, the product performance is stable and reliable, and the service life is long. 4、[WIDE APPLICATION] This amplifier module is mainly used in small signal amplification, audio signal amplification, motor drive and so on. 5、[COMPACT SIZE] The power amplifier module is compact, does not take up space for installation, with strong practicality. 1 x Low Frequency Power Amplifier Module Item Type: Low Frequency Power Amplifier ModuleMaterial: PCBModule Model: OPA541Input Signal Form: Single endedInput Voltage Range: 2VPP (less than supply voltage)Module Input Impedance: 10K ohmsOperating Frequency: 20HZ-100KHZModule Supply Voltage: ±10V~40VModule Supply Current: 5AInput Voltage Range: 68VPP when the supply voltage is ±40VInput Current: 5AInput Power: 50W (MAXIMUM)Module Gain: 3.3x-82x, first stage amplification adjustable up to 25x, second stage amplification is 3.3xModule Specifications: Approx. 82 x 47 x 42mm / 3.2 x 1.9 x 1.7inModule Heat: Input and output voltage is too large or the module is damaged, it will generate a lot of heat, equipped with heat sinkModule Operating Temperature: -40℃~75℃Module Features: Positive and negative power LED indicationApplication Scope: Small signal amplification, audio signal amplification, motor drive, etc.Module Interface Type: 5.08 blue power card holder, SMA signal input and output.