I would think those would be fine, but I think you can find them cheaper on ebay. When I bought my passive crossovers, they had a lot of those around, Buy It Now's for ~$7. I don't know why that page says "Active Crossover" in the title bar, but those are not active crossovers. They are passive 2-way crossovers. The way I understand it, active crossovers need electricity and actively allow you to change the crossover frequency. I could be wrong about that bit.
