Electronic Spices 3 way cross over Hi-Fi Speaker Frequency Divider Crossover Filters Module Micro Controller Board Electronic Hobby Kit

With this you can connect small satellite speakers of 5.1 home theater system or computer speakers directly to an amplifier which supports larger speakers. It divides sound signal between small, medium, large speakers and tweeters. Helps produce better sound from a speaker and reduces distortion. For DIY bookshelf speakers.