This deluxe kit contains all the components needed to make a stereo amplifier which can be used with any personal stereo equipment including MP3 players.The kit has a volume control and power LED.It can be powered by a batteries connected to the PP3 clip or a DC power module can be plugged in when the batteries automatically disconnect and the power supply is used. The kit can be powered by a 2V to 15V supply though the volume is better with a higher supply.It uses a TDA2822M audio amplifier IC which can output 1W per channel. Requires soldering.Kit includes:1 x TDA2822M audio amplifier IC1 x 8 pin IC holder1 x 1Kohm resistor2 x 10Kohm resistors1 x 10Kohm dual potentiometer2 x 4.7ohm resistors1 x Red 5mm LED2 x 100nF capacitors ceramic disc2 x 470uF capacitors electrolytic2 x 100uF capacitors electrolytic1 x 10uF capacitor electrolytic1 x 3.5mm stereo jack cable1 x PP3 clip lead1 x right angle power switch1 x DC power socket2 x speakers (8ohm 66mm) and connecting wire1 x deluxe stereo amplifier PCBPCB dimensions: 62 x 50mm.