SpeakerCraft AIM Series 2 ATX100 In-Wall Height Module – The ATX100 from the Core Brands company meets Dolby requirements for Dolby Atmos reproduction in residential environments. The two-way ATX100 employs a midrange/tweeter/midrange driver array with 2½-inch Kevlar midrange drivers and a ¾-inch Titanium dome tweeter. The speaker also features an acoustically controlled waveguide, a fully integrated backbox and SpeakerCraft’s Acoustic Isolation Technology. speakercraft.com