The Stereo Amplifier Kit (Classpack of 5) is a stereo version of our popular Audio Amplifier Project (70-0180). Once assembled, the amplifier can be connected to MP3 players, laptops or any other device with a 3.5mm headphone jack socket. The kit contains all components, speakers, printed circuit board and connecting cable. * Stereo version of the popular Audio Amplifier Project (70-0180) * Can be connected to MP3 players, laptops or any other device with a 3.5mm headphone jack socket * Kit contains all components, speakers, printed circuit board and connecting cable * Supplied in packs of 5 kits * Each kit requires a 9V, PP3 battery (not included) https://elecena.pl/product/27204624/rk-education-stereo-amplifier-kit-class-pack-of-5 2024-11-09 https://elecena.pl/product/27204624/rk-education-stereo-amplifier-kit-class-pack-of-5 2025-09-13 https://elecena.pl/product/27204624/rk-education-stereo-amplifier-kit-class-pack-of-5 2026-05-20 https://elecena.pl/product/27204624/rk-education-stereo-amplifier-kit-class-pack-of-5 2026-07-05 https://elecena.pl/product/27204624/rk-education-stereo-amplifier-kit-class-pack-of-5 2026-09-13