Try a proper ABX audio test like: http://abx.digitalfeed.net/ http://abx.digitalfeed.net/ It is a bit lengthy, takes 5-10m, but it is a true blind A/B test wit

Try a proper ABX audio test like: http://abx.digitalfeed.net/ http://abx.digitalfeed.net/ It is a bit lengthy, takes 5-10m, but it is a true blind A/B test with enough samples to be significant.