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Thermocouple Amplifiers, Resistance Temperature Detector (RTD) Sensor Amplifiers, Data Acquisition. VIN+ is the in-phase input and VIN- is the in-phase input. R3 on the board is not soldered.VCC regulates the input 5V of the LDO.
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OUR MISSION IS TO PROVIDE EXCELLENT PRODUCTS AT EXCELLENT PRICES.
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Using ne5532 or tda138 4-way mono audio mixing board, patch process production. Suitable for 4-way mono signal input mixed all the way to the output, no attenuation. Such as microphone voice audio signal, etc.
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The board adopts imported original TDA1308 earphone amplifier special chip. Board size: 20mm 15mm. 10 Pieces Board. Suitable for battery powered use. hope you could understand.
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Dear buyer, Thank you for visiting our store. 100% Customer satisfaction 90-day money-back warranty High quality meets your high standards Any questions, please contact us and we will do our best to settle down We think customer satisfaction is very important and we hope our customers will be satisfied
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Dual-core design with TPA3223 chip for more stable and clear sound quality. 1x amplifier board. Audio input sources: Bluetooth/AUX/USB drive. Sound & Vision. 2.1-channel high-power output with left/right + subwoofer combination for powerful sound.
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