THE BLUETOOTH SPEAKER PORTABLE B&M DIARIES

For each new round of tests, I start by evaluating The brand new models with each other and with a number of our earlier picks. I measure the utmost output of each and every speaker indoors in a distance of 1 meter, using an NTi Minilyzer audio analyzer in addition to a calibrated NTi MiniSPL test microphone and playing a 34-second section of ZZ To