Low voltage audio power amplifier module, based on NJM386D (LM386) IC design. This item has been assembled, and electrical test passed. 105℃ electrolytic capacitors, metal film capacitor and polyester film capacitor. FR-4 fiber glass material PCB (Double layer). Terminal blocks, easy connection wire. Volume potentiometer with power switch. Applications: AM-FM radio amplifiers. Portable amplifiers. Battery power supply amplifiers. TV sound systems, ect. Specifications: Voltage Gain : JP1 Open 26dB, JP1 Close 46 dB. Input Resistance : 10K ohm (Volume Max.) Operating Power Supply Voltage : DC 4 - 12V. PCB Size : 50 x 32 mm (1.97 x 1.26 inch) PCB Thickness : 1.6mm (0.063 inch) Maximum Height : 24mm (0.95 inch) Other Electrical Parameters, Please Read IC datasheet. NJM386 IC Datasheet:
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