"This audio amplifier kit can be used with any personal stereo equipment, including MP3 players. It uses a TBA820M audio amplifier IC which can output 1.6W of power. The kit is supplied with a PP3 battery clip and can run off any voltage from 3 to 16 volts, and a pre-built jack cable for connection to MP3 or other equipment. PCB dimensions: 45.5mm x 35.5mm. Requires 1 x 9V battery (not supplied). 4973 Mono Amplifier Kit £4.75 94973 Volume disocunt 10 for £39
This kit includes: 1 x TBA820M audio amplifier IC 1 x 8 pin IC holder 1 x 1ohm resistor 1 x 100ohm resistor 1 x 10Kohm resistor 2 x 100uF capacitor, electroyltic 1 x 220uF capacitor, electrolytic 1 x 470pF capacitor, ceramic disc 2 x 100nF capacitor, ceramic disc 1 x PP3 clip lead 1 x 3.5 stereo jack cable 1 x speaker (8ohm, 66mm) 1 x mono amplifer PCB"