Home Slickdeals Harman Kardon Onyx Studio 4 | Portable Bluetooth Speaker – $99 Slickdeals Harman Kardon Onyx Studio 4 | Portable Bluetooth Speaker – $99 By ARCOM - 24 May 2021 112 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Onyx Studio 4 | Portable Bluetooth Speaker – $99