Brown Innovations Directional Audio - Directional Audio Subwoofers
Danley BC215 Directional Subwoofer – ALIA
Stereo Magazine - Directional subwoofer RCM Technology has develeoped an unusually designed subwoofer: it works according to the dipole principle and has a pronounced directivity. This way, the bass is supposed to
Introducing the New Danley BC215 Directional Subwoofer - Mixonline
TIC 8 in. Premium Inground Omni Subwoofer (Single Input) B55