I rarely bring (or need) a sub to small acoustic gigs. I've got a bunch of Yorkville NX55P's, and they go really low for a 12" box. Claimed low-frequency response is 45Hz (-3dB) The nice thing about that is, it's not one of those "bass boost" pre-sets that I hate so much. You can very nicely control the amount of low-end extension, with the on-board shelving EQ, and it never colors the vocal range.
Aside from that, I'm often bringing the least amount of equipment possible, but,,,,, sometimes small/compact/light can be overdone IMO. Example; I bought a Soundcraft Notepad 124FX last year. It sounds great, but it's very "fiddly" in the sense that you really have to fiddle with the knobs to get it sounding good. I find it a lot easier to work with my Soundcraft EFX-8, which is really not a whole lot bigger after you factor in the built-in power-supply..
For basic lighting, I'll usually grab a couple of LEDRains, and leave the Lumi-Pro 4-bars at home. It there's a dance-floor, I might bring a laser or a MiracLED, but my light-trees are very heavy 12-footers, and those are a drag to haul around.
Veni, Vidi, Velcro;
(I came, I saw, I stuck around)