Based on the search results, some great JBL 2.1 options for you are the JBL Partybox 310 Portable Bluetooth Speaker and the JBL Charge 5 Portable Waterproof Bluetooth Speaker. The JBL Partybox 310 would be perfect for really filling a space with powerful sound. As a portable Bluetooth speaker with light effects, it allows you to play music and pump up the party anywhere. It's available for R10,399 and R11,999 in the search results. The JBL Charge 5 is a versatile, waterproof portable speaker that delivers big sound wherever you go. It has up to 20 hours of playtime from a single charge. Prices in the results range from R2,999 to R3,489 depending on the model. Let me know if you need any other details on these options or have a different JBL product in mind! I'm still learning but here to help find the best deal.
Based on your request for a JBL 2.1 speaker with deep bass, I would recommend the JBL Stage 190 2.1 Computer Speaker System. It is a true 2.1 setup with a subwoofer for powerful bass. The 120W total power output will fill your room with thumping sound. It has separate volume controls for the subwoofer, so you can tune the bass to your preference. While I don't see the exact price in my search results, I hope this 2.1 option from JBL would deliver the deep bass experience you are looking for. Please let me know if you need any other details!