Home Slickdeals Monoprice Liquid Spark ($79.99) and Liquid Platinum ($499.99) Headphone Amps + FS Slickdeals Monoprice Liquid Spark ($79.99) and Liquid Platinum ($499.99) Headphone Amps + FS By ARCOM - 23 May 2020 116 0 SHARE Facebook Twitter Go to the deal page: Monoprice Liquid Spark ($79.99) and Liquid Platinum ($499.99) Headphone Amps + FS