Harman Audio is currently taking a whopping $310 off of the price of the Harman Kardon Onyx Studio 4 speaker, which brings the price all the way down to just $139. This is one of Harman Kardon's most iconic and popular speakers under its brand, and at $139, it is an absolute steal. Harman Audio is also offering up free shipping on all headphones and speakers that are over $19.95 which is nice to see.
The Onyx Studio 4 is a pretty big speaker, it sits at an angle so that it is projecting audio to you, instead of just in your general direction. Despite this speaker being so large, it does still have a battery inside, which does make it portable - technically. Harman Kardon says that the speaker will last around eight hours of continuous playback on its battery. Which should get you through a day or so before it needs to be recharged. It can also connect to other Onyx Studio 4 speakers using the HK+ Connect app, so you can get some really good sounding stereo speakers here. The Onyx Studio 4 can be picked up from Harman Audio - which is Harman's website that houses all of its brands: AKG, Harman Kardon, JBL, etc - using the link down below.