Home Slickdeals Harman Kardon Onyx Studio 4, Factory Refurbished: $99.99 + Free 2 Day... Slickdeals Harman Kardon Onyx Studio 4, Factory Refurbished: $99.99 + Free 2 Day Ship (Harmankardon.com) By ARCOM - 22 August 2018 171 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Onyx Studio 4, Factory Refurbished: $99.99 + Free 2 Day Ship (Harmankardon.com)