Package: Focusrite SCARLETT STUDIO 2i2 MK2 192kHz USB 2.0 Audio Interface With Microphone and Headphones + Rockville RMF1 Studio Microphone Isolation Shield with Sound Dampening Foam Supported Operating Systems: Mac OSX 10.10 Yosemite or 10.11 El Capitan; Windows 7 (64-bit), Windows 8.1, Windows 10. Supported Sample Rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz. Microphone Inputs: Frequency Response: 20 Hz - 20 kHz  0.1dB. Dynamic Range: 106 dB (A-Weighted). THD+N: &lt;0.002% (minimum gain, -1dBFS input with 22Hz/22kHz bandpass filter). Noise EIN: &lt; -128 dB (A-Weighted) Line Inputs: Frequency Response: 20 Hz - 20 kHz  0.1dB. Dynamic Range: 106 dB (A-Weighted). THD+N: &lt;0.003% (minimum gain, -1dBFS input with 22Hz/22kHz bandpass filter). Maximum input level: +22 dBu. Gain Range: 50 dB. Instrument Inputs: Frequency Response: 20 Hz - 20 kHz  0.1dB. Dynamic Range: 106 dB (A-Weighted). THD+N: &lt;0.02% (minimum gain, -1dBFS input with 22Hz/22kHz bandpass filter). Maximum input level: +13 dBu. Gain Range: 50 dB Line Outputs: Dynamic Range Outputs: 106 dB (A-Weighted). Maximum Output Level (0 dBFS) Balanced Line/TRS Outputs: +10 dBu. THD+N Outputs:  +10dBu Pro Audio Acoustic Microphone Isolation Shield with Sound Dampening Foam. Keeps Excessive Room Ambience and Off Axis Sound from interfering with your microphone when recording acoustic and vocal tracks. Isolates Directional Microphones from Off Axis Coloration. Limits External Bleed from Unintended Sound Sources. Features 1.5-Inch-Thick High Density Pyramid Acoustic Foam Front and a vented metal back plate for the Best Noise Reflection Reduction. Can be used in fixed location. Stand mountable. Provides Vocal Booth Style Recordings with Minimal Footprint. Professional Studio-Grade. Rugged Finish Makes This Easy to Transport. Tri-Pod Foot Design for Stability on Flat Surfaces. 3/8 Die-Cast Metal Threads. Mic Stand with 5/8 Adapter. The shield is made of pure high-grade steel