![Found an old speaker in my attic, specifically a TOA model SL150 and found it only has 1/4 jack in and out ports. I have no idea how to use it or Found an old speaker in my attic, specifically a TOA model SL150 and found it only has 1/4 jack in and out ports. I have no idea how to use it or](https://preview.redd.it/4hhqjap7spb41.jpg?auto=webp&s=e0cd1443eb441a881483f6e16dacffc843319daa)
Found an old speaker in my attic, specifically a TOA model SL150 and found it only has 1/4 jack in and out ports. I have no idea how to use it or
![Amazon.com: TOA BS-1030W Music Paging Speaker, Designed for Indoor Outdoor Applications : Musical Instruments Amazon.com: TOA BS-1030W Music Paging Speaker, Designed for Indoor Outdoor Applications : Musical Instruments](https://m.media-amazon.com/images/I/51oL65xbdsL.jpg)
Amazon.com: TOA BS-1030W Music Paging Speaker, Designed for Indoor Outdoor Applications : Musical Instruments
![Amazon.com: TOA BS-1030W Music Paging Speaker, Designed for Indoor Outdoor Applications : Musical Instruments Amazon.com: TOA BS-1030W Music Paging Speaker, Designed for Indoor Outdoor Applications : Musical Instruments](https://m.media-amazon.com/images/I/51oL65xbdsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: TOA BS-1030W Music Paging Speaker, Designed for Indoor Outdoor Applications : Musical Instruments
![Amazon.com: TOA BS-1030 Music Paging Speaker, Designed for Indoor Outdoor Applications (Black) : Musical Instruments Amazon.com: TOA BS-1030 Music Paging Speaker, Designed for Indoor Outdoor Applications (Black) : Musical Instruments](https://m.media-amazon.com/images/I/4124t8nKtLL._AC_UF894,1000_QL80_.jpg)