Home Slickdeals Harman Kardon Onyx Studio 4 (Refurbished) – $79.99 + Free Shipping at... Slickdeals Harman Kardon Onyx Studio 4 (Refurbished) – $79.99 + Free Shipping at Harman Kardon By ARCOM - 8 March 2023 17 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Onyx Studio 4 (Refurbished) – $79.99 + Free Shipping at Harman Kardon