Item Type: Speaker Wall BracketMaterial: MetalSize: Length: Approx. 300mm / 11.8in, Width: Approx. 250mm / 9.8in, Height: Approx. 62mm / 2.4inSuitable: For Sonos Sub Gen 3 Gen 2 Wireless SpeakersPackage List1 x Speaker Wall Bracket4 x Screw4 x Expansion Tube4 x Suction CupManual measurement, please allow some errors.1[Compatible Models] Wall bracket designed for Sonos Sub Gen 3 Gen 2 wireless speakers, 300x250mm size, perfectly compatible with your speakers. 2[Thickened And Durable] Speaker wall bracket is made of premium 3mm/0.12in thickened metal material for easy wall mounting, stable and durable. 3[Easy To Install] Wireless speaker wall bracket with screws and 4 suction cups, stable support, firmly fix the speaker and prevent it from falling. 4[Space Saving] This speaker wall mount offers better space efficiency and a minimalist design while providing an elegant look. 5[Concealed Design] Wireless speaker wall holder features a concealed design, after installation, you will not see the bracket at all, only the speaker, more beautiful.