I have the Epifani UL210 (4ohm) as well as a Bergantino HT112 (8 ohm) and an HT322. I tend to bring the UL210 to smaller gigs over the HT112 because its lighter and louder (the ohms difference allows more juice). There is a tonal difference and I prefer the bergy tone (heavier bottom end, scooped mid) so I will use the Bergs when tone really matters. If it's just a "gig", I take the Epi to save my back.