sE's best-selling X1 S microphone and RF-X Reflexion Filter, sE's Isolation Pack (shock mount and adjustable metal pop filter) and a high-quality 3-meter XLR mic cable. If you're recording in a non-acoustically-treated space (bedrooms, closets, etc.), a Reflexion Filter helps keep your signal clean without the sound of your room affecting it, for professional studio sound anywhere.