Add Powerful Bass to Your S1 Pro | With an S1 Pro portable PA and a Sub1 or Sub2 powered bass module, you have a mobile DJ system that packs away easily —
Add Powerful Bass to Your S1 Pro | With an S1 Pro portable PA and a Sub1 or Sub2 powered bass module, you have a mobile DJ system that packs away easily —
![BOSE S1 PRO Powered Portable Bluetooth PA Speaker Monitor + Rechargeable Battery 744271627534 | eBay BOSE S1 PRO Powered Portable Bluetooth PA Speaker Monitor + Rechargeable Battery 744271627534 | eBay](https://i.ebayimg.com/images/g/8~0AAOSwf95hH7dL/s-l1600.jpg)