Single-channel mic/line preamp for Dante networked audio, Unison mic preamps with Apollo x16D, Power-over-Ethernet (PoE) design, coupling bracket to link multiple Apollo e1x preamps, built-in mic stand mount. Apollo e1x lets you add remote-controllable Unison mic/line preamps to your Apollo x16D interface, putting legendary preamp sounds from API, Neve, Manley, SSL, and more on stage, at front-of-house, or in your multi-room studio using Dante networked audio.