$100 gets you a sound bar that packs deep bass without a separate subwoofer

The whole reason sound bars are so popular is because they provide solid sound without having to wire a full surround sound system. But if that's the case, why should you have to buy a set with a separate subwoofer just to get a sound bar setup with decent bass? After all, then it's no longer a sound bar, it's a surround sound system with a bunch of separate speakers. If you want an affordable sound bar that actually is a one-piece sound bar but you don't want bass to vanish in the process, ch...