Introducing the Low Voltage Mono Audio Amplifier Board NJM386D LM386
The possibilities are endless with this low voltage mono audio amplifier board. With its compact size and low current draw, it's perfect for battery operated projects that require a small yet powerful audio amplifier. Whether you're building a mini speaker, digital musical box, or sound effects box, this amplifier board is the ideal choice.
Power Options Galore
This amplifier board can be powered by a variety of sources, including 5 VDC, USB power, or an old cellphone power adapter. It also has a low current draw of 3 mA, making it suitable for battery operation using 9 volt, small 12 volt, or four 1.5 volt batteries.
Easy Integration with Pre-Assembled and Pre-Tested Board
This amplifier board comes pre-assembled and pre-tested, making it easy to integrate into your project. It features built-in volume control with an on/off switch and shaft nut for mounting, as well as Phoenix type audio input, power input, and speaker output connections for easy hook-up.
Compact Size for Small Enclosures
The compact size of this amplifier board enables it to fit in small enclosures, making it perfect for projects that require a small footprint. It's also lightweight and durable, making it suitable for a wide range of applications.
Technical Specifications
The NJM386D mono audio amplifier board has a voltage input of 4-12 VDC, operating current of 3 mA, input resistance of 10K ohm, and voltage gain of 26 dB with JP1 open and 46 dB with JP1 close. The potentiometer shaft size is 0.20 L x 0.23 Dia., and it has a mounting hole of 0.27" Dia. and up to 0.20" depth. The PCB size is 1.97" x 1.26", with a thickness of 0.063" and a maximum height of 0.95".