PreSonus Quantum ES2 2×2 USB-C Audio Interface with Headphones (2-Pack) Bundle
(D) Presonus Quantum ES2 2x2 USB-C Audio Interface. Knox Gear TX-100 Closed-Back Studio Monitor Headphones. Introduce your ears to a world of crystal-clear, expansive, high-fidelity audio with the FocusProAudio TX-100 Closed-Back Studio Monitor Headphones in Black.