To figure out which of D'Addario's bass guitar strings you'd like to put on your instrument, the first step is probably going to be deciding on your preferred material. Nickel-wound strings are some of the most common, and they'll produce a classic tone that easily spans genres and eras from vintage to modern. If you're looking for a cleaner, crisper sound with outstanding durability, consider a set of steel strings. Or, for something completely different, try something like the ETB92 Nylon Tapewound Medium Gauge Bass Strings. These have a silky nylon outer layer that makes them smooth and buttery to the touch as well as being gentle on the fingerboard, a combination which makes them perfect for getting rich, upright bass-like tone on a fretless bass guitar.
On the subject of wrapping, another thing to keep in mind is whether you would prefer flatwound or roundwound strings. A lot of the difference here is in the feel: flats will be smoother, allowing your fingers to glide with less fret noise. Rounds have a rougher surface, but a more traditional feel. A final consideration is the gauge of the strings. While lighter gauges are easier to handle, heavier ones tend to make bolder sound. The trick here is to find the sweet spot: the balance that's great for you.
Strings may not be complicated things, but your preferences can be. And that's what it all comes down to - the right set of D'Addario strings for your electric bass guitar isn't something you can decide by numbers alone. It's the feel and sound you get once you've got them installed that will really tell you if they're the right ones. The one thing that can be said with confidence, though, is that the right strings are waiting for you here. It's simply up to you to find them.