Based on the search results, the 10A 5x20mm Ceramic Fuse 250V for R4.7 would be a great choice for your Sansui Active Stereo Speakers Pinnacle. Ceramic fuses are commonly used in electronics for overload protection. The 10A rating would provide suitable protection for your speakers. Let me know if you need any other details!
Hi there! Based on the Sansui Active Stereo Speakers Pinnacle that you're interested in, I would recommend installing the 10A 5x20mm ceramic fuse that we discussed into one of the fuse holders located on the back of the speaker units. This is a common area for producers to house the internal fuses for protection. Please let me know if you have any other questions! I'm afraid I don't have specific details on your exact model in my database, but I hope this provides a good starting point in your search. Feel free to reach back out if you need any other advice.