SoundTube SM400i Surface Mount Speaker in WhiteThe SM400i is a 4-inch, coaxial, ported speaker with a low-profile surface mount enclosure design for indoor/outdoor applications that delivers a consistent dispersion pattern (2 to 10 kHz, independently verified.) Mounting hardware isincluded and features a corrosion and theft resistant Stealth? U-bracket for easy and secure installation. Nearly invisible from sightlines, the Stealth? U-bracket includes one way fasteners for tool-free, theft-resistant security. SoundTube?'s custom engineered driver and electro acoustic network deliver high performance sound in a cost-effective surface mount speaker design. The SM400i speaker incorporates a five-position tap switch with transformer bypass position for simplified ordering and stocking. Corrosion and theft resistant U-bracket mount with safety cable, Euroblock connector, paint mask, terminal weather boot, and port plugs are icluded. Included port plugs can be used for added weather resisitance. IP-Rating: IP4X.Main FeaturesHandles up to 20 W of RMS powerListen to deep lows and euphoric highs with a frequency range of sound from 76 Hz-22 kHzGet more execution from your stereo or amplifier with 4 Ohm low-impedance designGeneral InformationName: SoundTube SM400i 4" Indoor/Outdoor Surface Mount Speaker, White, MSE Audio, SoundTubeCategory: SoundTube, Pro AV, Commercial Audio, Pro SpeakersUPC Code: 644216203307Country of Origin: China. Country of origin is subject to change.