Phase Tech Ships New In-Wall Subwoofer Phase Tech’s new 10-inch Low-Profile In-Wall IW210 Subwoofer is now available.RS Staff ⋅ Dec 12, 2016 Phase Tech’s new 10-inch Low-Profile In-Wall IW210 Subwoofer is now available. Engineered and manufactured in Jacksonville, FL, Phase Technology’s IW210 is a 10-inch in-wall sub with a 10-inch passive Bass Radiator in a retrofit enclosure. It includes Phase Tech’s patented Positive Clamping Mounting System as a turnkey solution for the most demanding music and home theater systems. Designed to be easily installed post-construction with an enclosure measuring (22-inch high x 13-inch wide x 3.875-inch deep), the IW210 is capable of producing deep powerful bass with its newly designed low-profile 10-inch subwoofers. A Positive Clamping Mounting System isolates the transmission of the sub’s motion to the mounting wall, ensuring accurate control of its low-end performance. The IW210 ships with a magnetic, no-bezel grille. Phase Technology’s P350 amplifier is a perfect match to accompany the IW210 in-wall subwoofer. The IW210 MSRP is $ 950.00 U.S.