Home Slickdeals Harman Kardon Onyx Studio 4 Portable Bluetooth Speaker (Black) $100 + Free... Slickdeals Harman Kardon Onyx Studio 4 Portable Bluetooth Speaker (Black) $100 + Free Shipping By ARCOM - 18 October 2022 30 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Onyx Studio 4 Portable Bluetooth Speaker (Black) $100 + Free Shipping