Soundtube RS500i-WH - Two-Way 5.25-Inch Hanging Loudspeaker (White)The RS500i is a 5. 25 inch, two way, ported speaker with an open ceiling enclosure design that delivers effective low end response (61 Hz) and 105 offaxis performance (2 to 10 kHz, independently verified). SoundTubes proprietary BroadBeam waveguide tweeter system delivers consistent high performance audio coverage across the operating bandwidth. The RS500i speaker design incorporates a low profile grille, proprietary motor board and a six position tap