Ridtahler: Soundsysteme - Hifi - Audio - Audiosysteme - Subwoofer ... made in Germany
Ripole
RiPol Subwoofer - RStAudio.de
Echter "Ripol"- Subwoofer mit 2x18 Zoll Treiber bis 16Hz | Kaufen auf Ricardo
Dôme acoustique : Caisson de graves Ripole
Stereo Magazine - Directional subwoofer Conventional loudspeakers usually radiate low frequencies spherically, i.e. in all directions. ModalAkustik now produces a subwoofer that radiates the bass specifically to the front. It is called "