Sony’s Extra Bass line of headphones has given listeners an added dose of low-end tone for years, and was generally cheaper than its high-end 1000X cans. The company is still keen on offering brain-rattling bass to those who want it, but the Extra Bass moniker and its confusing alpha-numeric product names are gone (more to come on that change). Today, Sony is introducing ULT Power Sound, a feature it’s calling the “ultimate step into the evolution” of its portable audio gear. ULT Power Sound... Read this story