Harman Kardon Onyx Studio 6 Bluetooth speaker is $280 off Posted on March 19, 2023 By Charlielikes Looking for premium sound and looks for less? This Harman Kardon Onyx Studio 6 could be just what you need and it’s on sale at Best Buy. Tech Tags:'is, $280, 6%,, bluetooth, harman,, kardon, off, onyx, speaker, studio, tech, technology