Kohler | Soundtile Speakers-Pair in Vibrant Titanium - Model No.: K-30318-TT - Color: Vibrant Titanium - Finish: Vibrant Titanium - Material: Brass, ABS, Metal - Diameter: 7" (178 mm) - Depth: 3-5/8" (92 mm) - Speaker Size: 4-1/3" (109 mm) - Best-in-class audio with sound by Harman Kardon - Designed for use with the Anthem+ digital shower system - Low-profile design for wall or ceiling mounting - Mounts within standard 2" x 4" (38 x 102 mm) walls - Speaker installs after finished wall is complete - Electrical component rating: Speaker: 60 Hz, 40 W - Maximum ambient temperature: 167°F (75°C) - Maximum relative humidity non-condensing: 95%