Fig. 2. Subwoofer extending to 35 Hz and crossing-over at 80 Hz with a sealed, 50-Hz main speaker. Standard settings. Even when the phase and level are adjusted to be optimum (180°, -1 dB) the ...

High-end commercial and residential audio brand, Theory Audio Design has announced its first subwoofers designed for in-wall or in-ceiling installation for either residential or commercial ...