An empty Printed Circuit Board for 70-0186 / 70-0187 2.5W + 2.5W Stereo Audio Amplifier Kit, for those who prefer to source their own components. * Empty circuit board only https://elecena.pl/product/27205989/rapid-rkamp2-stereo-audio-amplifier-pcb 2024-11-10 https://elecena.pl/product/27205989/rapid-rkamp2-stereo-audio-amplifier-pcb 2026-05-20 https://elecena.pl/product/27205989/rapid-rkamp2-stereo-audio-amplifier-pcb 2026-07-05 https://elecena.pl/product/27205989/rapid-rkamp2-stereo-audio-amplifier-pcb 2026-09-14