Spa Side Stereo Enclosure with Door - BlackPolyPlanar is the leading manufacturer of spa specific audio systems designed in the USA. The Poly-Planar RM-14 is designed to end the frustration of where to place your stereo while in the spa. The sturdy ABS plastic housing was designed to accommodate any DIN style stereo and has an smartphone input and storage compartment. Suitable for skirt mounting on spas or wall mount on saunas. Specifications:ABS Plastic MaterialWater Resistant EnclosureFlip-up cover protects contentsCutout Dimension: 7.250" (184mm) x 2.188" (55.5mm)Mounting Depth: 5-5/8"*Sold as an Individual