THE BLUETOOTH SPEAKER PORTABLE B&M DIARIES

For each new round of tests, I begin by comparing the new models with one another and with a few of our prior picks. I evaluate the maximum output of every speaker indoors in a distance of one meter, applying an NTi Minilyzer audio analyzer and also a calibrated NTi MiniSPL test microphone and playing a 34-second section of ZZ Top’s very loudly m