In Wall / In-Ceiling Speaker Systems Out of sight sound from Atlantic Technology THX Certified In-Wall Systems Viewing 1 to 4 (4 Total) IWTS-155 LCR THX Ultra2 Short Description Finally--THX Ultra2 performance between 16"-on-center studs! IWTS-30 LCR Short Description THX Ultra 2 performance: the State of Our Art! IWTS-30 SR Short Description THX Ultra-certified surround performance! IWTS-8e Sub Short Description THX Ultra-certified bone-crushing bass--totally invisible! Performance In-Wall Systems Viewing 1 to 3 (3 Total) IWTS 5 LCR and IWTS 10 LCR Short Description High performance In-Walls! IWTS-14 SR Short Description True dipole/bipole surround performance--in a 2 x 4" wall! IWTS-28 SUB/SA-180 Short Description The ideal solution for retro-fit bass! Performance In-Ceiling Systems Viewing 1 to 4 (4 Total) IC-6.1 Short Description *NEW* Atlantic signature sound hidden in the ceiling! IC-6HT Short Description *NEW! Amazing LCR front channel theater performance with thin bezel design and magnetically attached grills! IC-8.2/6.2 Thin Bezel In-Ceiling Speakers Short Description Thin Bezel and magnetic grilles! Perfect for whole-house audio or as value-oriented surround speaker! IC-8.3/6.3 Tri-Mode Thin Bezel In-Ceiling Speakers Short Description Great trim look and magnetic grilles! Our most versatile ceiling speakers ever!