NOCS NS2-010US NS2 Air Monitors (Contemporary Orange) Nocs NS2 Air Monitors are a set of Active speakers with AirPlay technology, allowing you to stream music wirelessly from your Mac, PC, iPod touch, iPhone and iPad Hand-built rubber coated MDF cabinets, Kevlar reinforced woofers and silk dome tweeters deliver powerful sound and great durability. 3-Inch Kevlar woofers with dual magnets, 3/4-Inch silk dome tweeters and Class D amplifier with 32 bit DSP Auxiliary input lets you can connect and play music from other devices that don't utilize AirPlay