definitely one sub of higher quality is any day better than two of lower quality.
in subwoofer more than sheer SPL , integration and matching to the main speaker is a far more important criteria.if you get a better sub the chances and probability of a seamless integration are far higher
in subwoofer more than sheer SPL , integration and matching to the main speaker is a far more important criteria.if you get a better sub the chances and probability of a seamless integration are far higher