Description

Product selling point: 1. Using high-quality materials, the quality is guaranteed 2. The XH-A902 audio preamplifier board has purer sound and lower noise floor than similar op amps 3. It has wide voltage input, the input voltage is DC12~30V 4. The appearance of the product is exquisite and beautiful 5. Wide range of applications, suitable for pre-amp sound source amplification of all audio power amplifiers Parameter: Product Type: Pre-Op Amp Class Chip model: NE5532 Number of channels: two channels Magnification: 5 times Power supply: DC12~30V Product size: 50*30*15mm Installation size: 43*23mm diameter 3mm Applicable instructions: XH-A902 audio preamplifier board belongs to the audio preamplifier. There will be no sound when directly connected to the speaker. You need to connect the power amplifier to the audio output, and the power amplifier will have sound when connected to the speaker. Connect the DC 12~30V power supply to the power input end of the operational amplifier board, pay attention to distinguish the positive and negative poles, and VCC is the positive pole. The package includes: Pre-amplifier board*1