Check the listing for details. SoundTube SM890I-WX-BK Surface-Mount Speaker With Weatherx Technology. Condition: New. Listed at 640.00 USD. The SoundTube SM890I-WX is an 8" premium high-SPL surface mount speaker with weatherx technology. SoundTube’s WX Weather Guard technology utilizes a dual layer of hydrophobic material inside the speaker grille to keep water from the drivers and internal electronics dry in even the most extreme weather conditions. An upgrade to the SM speaker products, the WX material greatly reduces water penetration through grille openings without compromising sound quality and performance. All speakers with WX technology are built using non-corrosive materials (stainless steel or aluminum) for all exposed metal components, including grills, screws, and mounting systems. IP44 rating approved.SoundTube SM890i-WX Specifications:Frequency Response (-3 dB): 100 Hz – 22 kHzFrequency Response (-10 dB): 63 Hz – 22 kHzSensitivity: 93.0 dBPower Capacity RMS: 150 WMax SPL dB @ 1 M: 115.0 dBNominal Impedance: 8 ohmsTweeter: 1.42? titanium compression driverWoofer: 8? high outputConnections: Four-pin, 5.08 mm EuroblockHeight: 477.0 mm (18.78 in.)Width: 295.9 mm (11.65 in.)Depth (including bracket): 390.4 mm (15.37 in.)Weight: 9.5 kg (21.0 lbs.)Shipping Weight: 10.9 kg (24.0 lbs.)Regulatory- IP: IP44 approvedColor: Black