Soundtube SM500i-II-WX-WH - Two-Way 5.25-Inch Outdoor Surface Mount Speaker (White)The SM500i II WX is a 5. 25, two way surface mount speaker with a mid size enclosure design that delivers effective low end response (60 Hz) and optimal offaxis performance (2 10 kHz). SoundTubes proprietary BroadBeam waveguide tweeter system delivers consistent high performance audio across operating bandwidth. The SM500i II WX speaker design incorporates a low profile grille, six position tap switch with transformer bypass and mounting hardware,