Bowers & Wilkins PMK 8.3 - 8.3D In-Wall / Back Box Brands_Elite choice of materials are carefully

choice of materials are carefully thought through and built to deliver the best-in-class sound performance

-6dB at 52Hz and 33kHz

Coaxial / Optical Digital Input Signals

complemented by a robust power supply and low impedance output stage

Bowers & Wilkins PMK 8.3 - 8.3D In-Wall / Back Box Brands_Elite choice of materials are carefullyThe Bowers & Wilkins PMK 8. 3 8. 3D Back Box is a purpose engineered enclosure designed to support optimal performance from compatible high end in wall speaker systems. Installed behind the speaker within the wall cavity, it creates a controlled acoustic chamber that enhances sound consistency, improves bass response, and minimizes unwanted sound leakage into adjacent spaces. Built for precision fit integration in custom installation environments, it