Home Slickdeals JBL Quantum 400 Wired Over-Ear Gaming Headphones with USB $40 + Free... Slickdeals JBL Quantum 400 Wired Over-Ear Gaming Headphones with USB $40 + Free Shipping By ARCOM - 11 September 2023 17 0 SHARE Facebook Twitter Go to the deal page: JBL Quantum 400 Wired Over-Ear Gaming Headphones with USB $40 + Free Shipping