Reviewed in January, 2023 ‘There’s more articulation to notes, diction is clearer, phrasing more apparent, and dynamics more impactful.. Would you, should you pay twice the price for the M6 over the S6? I’d say so. Chord Company helpfully sent me a PowerHAUS S6 so Iwas able to do a brief comparison. Both are strong performers, and if your budget is tight the S6 gets a lot of things right and is well worth your consideration, but assuming your source, amplification and loudspeakers are already competent, the ARAY filtering technology pays significant dividends. I really can’t think of a better way to get the extra musical benefits I’m describing here..’ Hi-Fi+ Read/download the full review here