Sposato by Sony CWSSW150 8" In-Wall Subwoofer (Each, White) Designed to complement your space and taste while creating the perfect listening experience. Removable speaker covers feature acoustically transparent backing for reduced resonance; covers can be painted. Gold-plated binding posts ensure optimum fidelity with tight, maintenance-free speaker cable connectivity. Phase adjustment switch to allow for total system, synchronized output no matter speaker placement and room characteristics.