The nice thing about a MP3 player or PC is that they are convenient and universal. The MP3 player adds mobility:
What remains to be connected: - the main speaker (speaker 1) is equipped with an amplifier on the rear side. - the main speaker needs to be connected to the mains. - a second speaker (for stereo) may be connected to the stereo amplifier of the main speaker.
Matching medium subwoofers Sub 10 asw CT 198
Matching large subwoofers Alcone Sub 20 Power Sub SPH-380 SPH-450