I have both the EPS-3 and the EPS-3S in my system. I did not observe the so called "one-note" bass character. In fact, I thought that both cables had very good bass definition. As usual, observations are system dependent
By the way, the EPS-3S is markedly better than the EPS-3.
By the way, the EPS-3S is markedly better than the EPS-3.